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Sunday 31 December 2023

Optical Illusion: इस तस्वीर में छिपे संतरे को खोज, दें अपनी तेज नजरों की पहचान

दिमाग को हेल्दी रखने के लिए एक्सरसाइज करवाना बेहद जरूरी है। इसलिए रोज आपको कोई ब्रेन टीजर गेम खेलना चाहिए। इससे आपका दिमाग एलर्ट और एक्टिव बनेगा। इसमें ऑप्टिकल इल्यूजन आपकी मदद कर सकता है। इसलिए इसे रोज हल करने की कोशिश करें। जानें क्या है हमारे आज के ऑप्टिकल इल्यूजन का चैलेंज और क्या आप कर पाएंगे उसे 5 सेकंड में हल।

from Jagran Hindi News - news:oddnews https://ift.tt/T1M308h

Friday 29 December 2023

Optical Illusion: क्या आप भी मानते हैं कि आपके पास है चील जैसी नजर, तो 6 सेकंड में खोजें छिपा हुआ दस्ताना

ब्रेन एक्सरसाइज दिमाग को हेल्दी रखने के लिए काफी आवश्यक है। इसके लिए गेम्स मार्केट में मौजूद हैं जो आपकी कई जरूरी स्किल्स को मजबूत बनाने में आपकी मदद कर सकते हैं। इन्हीं में ऑप्टिकल इल्यूजन भी शामिल है जो आपके ब्रेन के लिए काफी लाभदायक होता है। इससे आपका अटेंशन मजबूत होता है। जानें क्या है आज के ऑप्टिकल इल्यूजन का चैलेंज।

from Jagran Hindi News - news:oddnews https://ift.tt/Vfw1XN5

Wednesday 27 December 2023

How jellyfish regenerate functional tentacles in days

At about the size of a pinkie nail, the jellyfish species Cladonema can regenerate an amputated tentacle in two to three days -- but how? Regenerating functional tissue across species, including salamanders and insects, relies on the ability to form a blastema, a clump of undifferentiated cells that can repair damage and grow into the missing appendage. Jellyfish, along with other cnidarians such as corals and sea anemones, exhibit high regeneration abilities, but how they form the critical blastema has remained a mystery until now.

from All Top News -- ScienceDaily https://ift.tt/XHOlLW0

Saturday 23 December 2023

Optical Illusion: तस्वीर में छिपी हुई बिल्लियों को 6 सेकंड में खोज, अपनी तेज नजरों का करें टेस्ट

दिमाग को हेल्दी रखने में ऑप्टिकल इल्यूजन जैसे गेम्स आपकी मदद कर सकते हैं। ऑप्टिकल इल्यूजन को हल करना काफी मनोरंजक भी हो सकता है। वैसे तो इन्हें सॉल्व करना मजेदार होता है लेकिन शुरुआत में यह काफी कठिन भी हो सकता है। इसलिए इन्हें रोज हल करना जरूरी होता है। जानें क्या है आज के ऑप्टिकल इल्यूजन का चैलेंज।

from Jagran Hindi News - news:oddnews https://ift.tt/u4bfYDv

Friday 22 December 2023

Researchers study a million galaxies to find out how the universe began

Researchers have analyzed more than one million galaxies to explore primordial fluctuations that seeded the formation of the structure of the entire universe.

from All Top News -- ScienceDaily https://ift.tt/9BSP0if

Light color is less important for the internal clock than originally thought

Light in the evening is thought to be bad for sleep. However, does the color of the light play a role? Researchers compared the influence of different light colors on the human body. The researchers' findings contradict the results of a previous study in mice.

from All Top News -- ScienceDaily https://ift.tt/iRO7Z8E

Thursday 21 December 2023

Supernova encore: Second lensed supernova in a distant galaxy

In November 2023, NASA's James Webb Space Telescope observed a massive cluster of galaxies named MACS J0138.0-2155. Through an effect called gravitational lensing, first predicted by Albert Einstein, a distant galaxy named MRG-M0138 appears warped by the powerful gravity of the intervening galaxy cluster. In addition to warping and magnifying the distant galaxy, the gravitational lensing effect caused by MACS J0138 produces five different images of MRG-M0138.

from All Top News -- ScienceDaily https://ift.tt/91iqlPx

Five new species of soft-furred hedgehogs from Southeast Asia

A new study identifies five new species of soft-furred hedgehogs from Southeast Asia. The study used DNA analysis and physical characteristics to describe two entirely new species of soft-furred hedgehogs and elevate three subspecies to the level of species.

from All Top News -- ScienceDaily https://ift.tt/EBqwtkL

NASA's Hubble watches 'spoke season' on Saturn

A new photo of Saturn was taken by NASA's Hubble Space Telescope on October 22, 2023, when the ringed planet was approximately 850 million miles from Earth. Hubble's ultra-sharp vision reveals a phenomenon called ring spokes.

from All Top News -- ScienceDaily https://ift.tt/UTtAW5S

Optical Illusion: क्या तस्वीर में छिपी टाई को 6 सेकंड में ढूंढ़ सकते हैं आप

ऑप्टिकल इल्यूजन आपकी आंखों और दिमाग दोनों के लिए एक शानदार एक्सरसाइज होती है। इसकी मदद से आप यह भी पता लगा सकते हैं कि आपकी ऑब्जरवेशनल स्किल्स कितनी तेज हैं। इस बात का पता लगाने के लिए हमारे आज के ऑप्टिकल इल्यूजन को 6 सेकंड के भीतर सॉल्व करने की कोशिश करें और चेक करें आपनी ऑब्जरवेशन स्किल्स को।

from Jagran Hindi News - news:oddnews https://ift.tt/n9DKZez

Tuesday 19 December 2023

Snowflakes swirling in turbulent air as they fall through a laser light sheet

A winter wonderland calls to mind piles of fluffy, glistening snow. But to reach the ground, snowflakes are swept into the turbulent atmosphere, swirling through the air instead of plummeting directly to the ground. Researchers found that regardless of turbulence or snowflake type, acceleration follows a universal statistical pattern that can be described as an exponential distribution.

from All Top News -- ScienceDaily https://ift.tt/uD9LmP6

Apes remember friends they haven't seen for decades

Apes recognize photos of groupmates they haven't seen for more than 25 years and respond even more enthusiastically to pictures of their friends, a new study finds. The work, which demonstrates the longest-lasting social memory ever documented outside of humans, and underscores how human culture evolved from the common ancestors we share with apes, our closest relatives.

from All Top News -- ScienceDaily https://ift.tt/uU2g3aD

Artificial intelligence can predict events in people's lives

Artificial intelligence can analyze registry data on people's residence, education, income, health and working conditions and, with high accuracy, predict life events.

from All Top News -- ScienceDaily https://ift.tt/CQjKgRt

Mysterious fruit shown to be the oldest known fossils of the Frankincense and Myrrh family

Early in the 1970s, paleontologists discovered strange fossilized fruits between hardened rock from one of the largest volcanic eruptions in Earth's history. The identity of these fossils remained elusive for the next several decades. Using CT scanning, scientists have now determined they are the oldest fossils from species in the Frankincense and Myrrh family.

from All Top News -- ScienceDaily https://ift.tt/aW8rp57

Monday 18 December 2023

AI's memory-forming mechanism found to be strikingly similar to that of the brain

An interdisciplinary team consisting of researchers has revealed a striking similarity between the memory processing of artificial intelligence (AI) models and the hippocampus of the human brain. This new finding provides a novel perspective on memory consolidation, which is a process that transforms short-term memories into long-term ones, in AI systems.

from All Top News -- ScienceDaily https://ift.tt/nT7Feuw

Exoplanets'climate -- it takes nothing to switch from habitable to hell

The Earth is a wonderful blue and green dot covered with oceans and life, while Venus is a yellowish sterile sphere that is not only inhospitable but also sterile. However, the difference between the two bears to only a few degrees in temperature. A team of astronomers has achieved a world's first by managing to simulate the entirety of the runaway greenhouse process which can transform the climate of a planet from idyllic and perfect for life, to a place more than harsh and hostile. The scientists have also demonstrated that from initial stages of the process, the atmospheric structure and cloud coverage undergo significant changes, leading to an almost-unstoppable and very complicated to reverse runaway greenhouse effect. On Earth, a global average temperature rise of just a few tens of degrees, subsequent to a slight rise of the Sun's luminosity, would be sufficient to initiate this phenomenon and to make our planet inhabitable.

from All Top News -- ScienceDaily https://ift.tt/N6e3Wg8

Astronomers discover first population of binary stripped stars

Astronomers have discovered a population of massive stars that have been stripped of their hydrogen envelopes by their companions in binary systems. The findings shed light on the hot helium stars that are believed to be the origins of hydrogen-poor core-collapse supernovae and neutron star mergers.

from All Top News -- ScienceDaily https://ift.tt/9rTaLu4

Sunday 17 December 2023

This next generation blue light could potentially promote or hinder sleep on command

Blue light from LED lamps and consumer electronics can mess with your sleep because it disrupts production of the natural sleep hormone melatonin. Tinted glasses or displays in night mode can mask, but don't remove, a portion of the disruptive wavelengths. But now, researchers report that they have designed more 'human-centric' LEDs that could potentially enhance drowsiness or alertness on command.

from All Top News -- ScienceDaily https://ift.tt/sIX95Mz

Cognitive strategies for augmenting the body with a wearable, robotic arm

Scientists show that breathing may be used to control a wearable extra robotic arm in healthy individuals, without hindering control of other parts of the body.

from All Top News -- ScienceDaily https://ift.tt/MCAlQx3

Optical Illusion: क्या बेडरूम में छिपी मधुमक्खी को ढूंढ़ पाएंगे 9 सेकंड में आप

दिमाग को एक्टिव रखने का एक बेहतरीन तरीका है ऑप्टिकल इल्यूजन। इसकी मदद से आपका दिमाग ज्यादा एक्टिव रहता है जो उसकी एक्सरसाइज जैसा होता है। इसके साथ ही यह आपकी ऑब्जर्वेशनल स्किल्स को भी तेज बनाने में सहायता करता है। इसलिए इसकी रोज प्रैक्टिस करने की जरूरत होती है। जानें क्या है आज के खास ऑप्टिकल इल्यूजन का चैलेंज।

from Jagran Hindi News - news:oddnews https://ift.tt/S0o4FaU

Friday 15 December 2023

Breastfeeding alters infant gut in ways that boost brain development, may improve test scores

Breastfeeding, even partially alongside formula feeding, changes the chemical makeup -- or metabolome -- of an infant's gut in ways that positively influence brain development and may boost test scores years later, suggests new research.  

from All Top News -- ScienceDaily https://ift.tt/EIHjkWl

Scientists measure the distance to stars by their music

A team of astronomers has used asteroseismology, or the study of stellar oscillations, to accurately measure the distance of stars from the Earth. Their research examined thousands of stars and checked the measurements taken during the Gaia mission to study the near Universe.

from All Top News -- ScienceDaily https://ift.tt/UPwByVT

Thursday 14 December 2023

AI study reveals individuality of tongue's surface

Artificial Intelligence (AI) and 3D images of the human tongue have revealed that the surface of our tongues are unique to each of us, new findings suggest. The results offer an unprecedented insight into the biological make-up of our tongue's surface and how our sense of taste and touch differ from person to person.

from All Top News -- ScienceDaily https://ift.tt/pYo4EC5

Unexpected chemistry reveals cosmic star factories´ secrets

Two galaxies in the early universe, which contain extremely productive star factories, have been studied by a team of scientists. Using powerful telescopes to split the galaxies' light into individual colors, the scientists were amazed to discover light from many different molecules -- more than ever before at such distances. Studies like this could revolutionize our understanding of the lives of the most active galaxies when the universe was young, the researchers believe.

from All Top News -- ScienceDaily https://ift.tt/BjRXxnL

Wednesday 13 December 2023

World's first logical quantum processor

A team has realized a key milestone in the quest for stable, scalable quantum computing. For the first time, the team has created a programmable, logical quantum processor, capable of encoding up to 48 logical qubits, and executing hundreds of logical gate operations. Their system is the first demonstration of large-scale algorithm execution on an error-corrected quantum computer, heralding the advent of early fault-tolerant, or reliably uninterrupted, quantum computation.

from All Top News -- ScienceDaily https://ift.tt/wBs4USP

Some icy exoplanets may have habitable oceans and geysers

A new study expands the search for life beyond our solar system by indicating that 17 exoplanets (worlds outside our solar system) could have oceans of liquid water, an essential ingredient for life, beneath icy shells. Water from these oceans could occasionally erupt through the ice crust as geysers. The science team calculated the amount of geyser activity on these exoplanets, the first time these estimates have been made. They identified two exoplanets sufficiently close where signs of these eruptions could be observed with telescopes.

from All Top News -- ScienceDaily https://ift.tt/21oHg86

Tuesday 12 December 2023

'Exceptional' results in phase III leukemia trial

Leukaemia trial shows 'exceptional' results. Personalized treatment for the most common form of adult leukemia helps patients survive for longer and stay in remission, a phase III trial has found. Adult patients were given a combination of cancer growth blocking drugs over varied durations depending on how rapidly their disease responded.   More than 19 in 20 patients were in remission three years after starting treatment -- a significant improvement in progression-free and overall survival compared to standard treatment.

from All Top News -- ScienceDaily https://ift.tt/4W0COIy

14-inch spacecraft delivers new details about 'hot Jupiters'

The Colorado Ultraviolet Transit Experiment (CUTE) spacecraft is about the size of a cereal box. It has also recorded incredibly detailed measurements of the atmospheres of planets hundreds of light-years from Earth.

from All Top News -- ScienceDaily https://ift.tt/EKAfjl6

Archaeologists unearth one of earliest known frame saddles

Recovered from looters, a new archaeological discovery from a cave in western Mongolia could change the story of the evolving relationship between humans and horses around the world. 

from All Top News -- ScienceDaily https://ift.tt/EpSCYdB

How a drought led to the rise of skateboarding in 1970s California

Why did professional skateboarding arise in southern California in the 1970s? Was it a coincidence, or was it a perfect storm of multiple factors? It's fairly well-known that a drought in southern California in the mid-1970s led to a ban on filling backyard swimming pools, and these empty pools became playgrounds for freestyle skateboarders in the greater Los Angeles area. But a new cross-disciplinary study shows that beyond the drought, it was the entanglement of environmental, economic and technological factors that led to the explosive rise of professional skateboarding culture in the 1970s.

from All Top News -- ScienceDaily https://ift.tt/pSrP8st

This Japanese 'dragon' terrorized ancient seas

Researchers have described a Japanese mosasaur the size of a great white shark that terrorized Pacific seas 72 million years ago. The mosasaur was named for the place where it was found, Wakayama Prefecture. Researchers call it the Wakayama Soryu, which means blue dragon.

from All Top News -- ScienceDaily https://ift.tt/dhDQ1yj

Friday 8 December 2023

Coral reefs in peril from record-breaking ocean heat

Record breaking marine heatwaves will cause devastating mass coral bleaching worldwide in the next few years, according to a coral reef scientist.

from All Top News -- ScienceDaily https://ift.tt/XENlv0u

Scholars say it's time to declare a new epoch on the moon, the 'lunar Anthropocene'

According to anthropologists and geologists, it's time to acknowledge humans have become the dominant force shaping the moon's environment by declaring a new geological epoch for the moon: the Lunar Anthropocene. They argue the new epoch may have dawned in 1959 when the USSR's unmanned spacecraft Luna 2 alighted on the lunar surface.

from All Top News -- ScienceDaily https://ift.tt/51iGUQm

New genes can arise from nothing

The complexity of living organisms is encoded within their genes, but where do these genes come from? Researchers resolved outstanding questions regarding the origin of small regulatory genes, and described a mechanism that creates their DNA palindromes. Under suitable circumstances, these palindromes evolve into microRNA genes.

from All Top News -- ScienceDaily https://ift.tt/ebpm8SJ

Giant doubts about giant exomoons

The extrasolar planets Kepler-1625b and Kepler-1708b are supposedly the home worlds of the first known exomoons. A new study now comes to a different conclusion.

from All Top News -- ScienceDaily https://ift.tt/J6AQTmg

Thursday 7 December 2023

Wild birds lead people to honey -- and learn from them

A study finds the greater honeyguide can learn distinct vocal signals to help people in Africa locate bee colonies. In parts of Africa, people communicate with a wild bird -- the greater honeyguide -- in order to locate bee colonies and harvest their stores of honey and beeswax. It's a rare example of cooperation between humans and wild animals, and a potential instance of cultural coevolution.

from All Top News -- ScienceDaily https://ift.tt/B8eGQRA

Wednesday 6 December 2023

Bowtie resonators that build themselves bridge the gap between nanoscopic and macroscopic

Two nanotechnology approaches converge by employing a new generation of fabrication technology. It combines the scalability of semiconductor technology with the atomic dimensions enabled by self-assembly.

from All Top News -- ScienceDaily https://ift.tt/ZGFxbd9

First map of human limb development reveals unexpected growth processes and explains syndromes found at birth

Scientists reveal unprecedented insights into human limb development, including the many intricate processes that govern their formation.

from All Top News -- ScienceDaily https://ift.tt/KtWjoM9

Tuesday 5 December 2023

Unlocking neutron star rotation anomalies: Insights from quantum simulation

A collaboration between quantum physicists and astrophysicists has achieved a significant breakthrough in understanding neutron star glitches. They were able to numerically simulate this enigmatic cosmic phenomenon with ultracold dipolar atoms. This research establishes a strong link between quantum mechanics and astrophysics and paves the way for quantum simulation of stellar objects from Earth.

from All Top News -- ScienceDaily https://ift.tt/tkg7Jpb

Can signs of life be detected from Saturn's frigid moon?

Researchers have shown unambiguous laboratory evidence that amino acids transported in the ice plumes of Saturn's moon, Eceladus, can survive impact speeds of up to 4.2 km/s, supporting their detection during sampling by spacecraft.

from All Top News -- ScienceDaily https://ift.tt/BAI3iSF

Mice pass the mirror test, a classic indicator of self-recognition

Researchers report that mice display behavior that resembles self-recognition when they see themselves in the mirror. When the researchers marked the foreheads of black-furred mice with a spot of white ink, the mice spent more time grooming their heads in front of the mirror -- presumably to try and wash away the ink spot. However, the mice only showed this self-recognition-like behavior if they were already accustomed to mirrors, if they had socialized with other mice who looked like them, and if the ink spot was relatively large.

from All Top News -- ScienceDaily https://ift.tt/wfY6ZXR

Monday 4 December 2023

Dark galactic region nicknamed 'The Brick' explained with Webb telescope findings

Using the James Webb Space Telescope, astronomers spot unexpected source of carbon monoxide ice at galactic region surprisingly devoid of stars.

from All Top News -- ScienceDaily https://ift.tt/aNhcoGf

Sunday 3 December 2023

A study unveils the link between musical preferences and our inner moral compass

A new study provides compelling evidence that music preferences can serve as a window into an individual's moral values. It has uncovered an important link between music and morality, paving the way for a deeper understanding of the psychological dimensions of our musical experiences.

from All Top News -- ScienceDaily https://ift.tt/Qz7iaOR

Saturday 2 December 2023

A new possible explanation for the Hubble tension

The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values. This so-called 'Hubble tension' poses a puzzle for cosmologists. Researchers are now proposing a new solution: Using an alternative theory of gravity, the discrepancy in the measured values can be easily explained -- the Hubble tension disappears.

from All Top News -- ScienceDaily https://ift.tt/uNywU4p

Friday 1 December 2023

One of the largest magnetic storms in history quantified: Aurorae covered much of the night sky from the Tropics to the Polar Regions

An international multidisciplinary team consisting of solar physicists, geophysicists, and historians from nine countries analysed observations of an extreme solar-terrestrial storm reported in historical records from February 1872. Their findings confirm that a moderate sunspot group triggered one of the largest magnetic storms ever recorded, almost covering the entire night sky with colourful aurorae in both hemispheres. If such an extreme storm occurred today, it would severely disrupt modern technological infrastructure. Their study emphasizes the importance of looking at historical records in light of modern scientific knowledge.

from All Top News -- ScienceDaily https://ift.tt/8Rd01ru

Meteorites likely source of nitrogen for early Earth

Micrometeorites originating from icy celestial bodies in the outer Solar System may be responsible for transporting nitrogen to the near-Earth region in the early days of our solar system.

from All Top News -- ScienceDaily https://ift.tt/mRsOkMA

Thursday 30 November 2023

Twin research indicates that that a vegan diet improves cardiovascular health

A recent trial of identical twins comparing vegan and omnivore diets found that a vegan diet improves overall cardiovascular health.

from All Top News -- ScienceDaily https://ift.tt/IUK9ZlS

Wednesday 29 November 2023

Astronomers discover disc around star in another galaxy

In a remarkable discovery, astronomers have found a disc around a young star in the Large Magellanic Cloud, a galaxy neighboring ours. It's the first time such a disc, identical to those forming planets in our own Milky Way, has ever been found outside our galaxy. The new observations reveal a massive young star, growing and accreting matter from its surroundings and forming a rotating disc.

from All Top News -- ScienceDaily https://ift.tt/u6DGAxo

Tuesday 28 November 2023

First multi-chamber heart organoids unravel human heart development and disease

Heart disease kills 18 million people each year, but the development of new therapies faces a bottleneck: no physiological model of the entire human heart exists -- so far. A new multi-chamber organoid that mirrors the heart's intricate structure enables scientists to advance screening platforms for drug development, toxicology studies, and understanding heart development.

from All Top News -- ScienceDaily https://ift.tt/FQZdatm

Solar activity likely to peak next year

Researchers have discovered a new relationship between the Sun's magnetic field and its sunspot cycle, that can help predict when the peak in solar activity will occur. Their work indicates that the maximum intensity of solar cycle 25, the ongoing sunspot cycle, is imminent and likely to occur within a year.

from All Top News -- ScienceDaily https://ift.tt/hbPajRx

Early-stage stem cell therapy trial shows promise for treating progressive MS

An international team has shown that the injection of a type of stem cell into the brains of patients living with progressive multiple sclerosis (MS) is safe, well tolerated and has a long-lasting effect that appears to protect the brain from further damage.

from All Top News -- ScienceDaily https://ift.tt/Dh6laRi

Sunday 26 November 2023

Ultra-processed foods and higher risk of mouth, throat and esophagus cancers

Eating more ultra-processed foods (UPFs) may be associated with a higher risk of developing cancers of upper aerodigestive tract (including the mouth, throat and esophagus), according to a new study.  The authors of this international study, which analyzed diet and lifestyle data on 450,111 adults who were followed for approximately 14 years, say obesity associated with the consumption of UPFs may not be the only factor to blame.

from All Top News -- ScienceDaily https://ift.tt/RSmBpD4

Hybrid transistors set stage for integration of biology and microelectronics

Researchers create transistors combining silicon with biological silk, using common microprocessor manufacturing methods. The silk protein can be easily modified with other chemical and biological molecules to change its properties, leading to circuits that respond to biology and the environment.

from All Top News -- ScienceDaily https://ift.tt/aYqWcFi

Friday 24 November 2023

Telescope Array detects second highest-energy cosmic ray ever

In 1991, an experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My-God particle, the cosmic ray’s energy shocked astrophysicists. Nothing in our galaxy had the power to produce it, and the particle had more energy than was theoretically possible for cosmic rays traveling to Earth from other galaxies. Simply put, the particle should not exist. On May 27, 2021, the Telescope Array experiment detected the second-highest extreme-energy cosmic ray. The newly dubbed Amaterasu particle deepens the mystery of the origin, propagation and particle physics of rare, ultra-high-energy cosmic rays.

from All Top News -- ScienceDaily https://ift.tt/0N2PHtX

Thursday 23 November 2023

From the first bite, our sense of taste helps pace our eating

When you eagerly dig into a long-awaited dinner, signals from your stomach to your brain keep you from eating so much you'll regret it -- or so it's been thought.

from All Top News -- ScienceDaily https://ift.tt/Ybv1SNl

Tuesday 21 November 2023

Why emotions stirred by music create such powerful memories

Psychologists used music to manipulate emotions of volunteers and found the dynamics of their emotions molded otherwise neutral experiences into memorable events. The tug of war between integrating memories and separating them helps to form distinct memories, allowing people to understand and find meaning in their experiences, and retain information. These findings could hold therapeutic promise in helping people with PTSD and depression.

from All Top News -- ScienceDaily https://ift.tt/OajB8ZR

'Woman the hunter': Studies aim to correct history

New research combined both physiological and archaeological evidence to argue that not only did prehistoric women engage in the practice of hunting, but their female anatomy and biology would have made them intrinsically better suited for it.

from All Top News -- ScienceDaily https://ift.tt/Fq8WkfG

Why the vast supergalactic plane is teeming with only one type of galaxy

Our own Milky Way galaxy is part of a much larger formation, the local Supercluster structure, which contains several massive galaxy clusters and thousands of individual galaxies. Due to its pancake-like shape, which measures almost a billion light years across, it is also referred to as the Supergalactic Plane. Why is the vast supergalactic plane teeming with only one type of galaxies? This old cosmic puzzle may now have been solved.

from All Top News -- ScienceDaily https://ift.tt/x1jRNgu

Massive 2022 eruption reduced ozone layer levels

The Hunga Tonga-Hunga Ha'apai volcano changed the chemistry and dynamics of the stratosphere in the year following the eruption, leading to unprecedented losses in the ozone layer of up to 7% over large areas of the Southern Hemisphere.  

from All Top News -- ScienceDaily https://ift.tt/exik5ST

Monday 20 November 2023

'Teenage galaxies' are unusually hot, glowing with unexpected elements

Using the James Webb Space Telescope, CECILIA Survey receives first data from galaxies forming two-to-three billion years after the Big Bang. By examining light from these 33 galaxies, researchers discovered their elemental composition and temperature. The ultra-deep spectrum revealed eight distinct elements: Hydrogen, helium, nitrogen, oxygen, silicon, sulfur, argon and nickel. The teenage galaxies also were extremely hot, reaching temperatures higher than 13,350 degrees Celsius.

from All Top News -- ScienceDaily https://ift.tt/0nWeRGS

AI finds formula on how to predict monster waves

Using 700 years' worth of wave data from more than a billion waves, scientists have used artificial intelligence to find a formula for how to predict the occurrence of these maritime monsters. Long considered myth, freakishly large rogue waves are very real and can split apart ships and even damage oil rigs.

from All Top News -- ScienceDaily https://ift.tt/Ya64UTp

Sunday 19 November 2023

Optical Illusion: क्या आप भी खुद को मानते हैं होशियार, तो तस्वीर में छिपे पासे को 9 सेकंड में खोजें

Optical Illusion ऑप्टिकल इल्यूजन दिमाग को तेज बनाने का एक बेहद शानदार एक्सरसाइज है। इन दिनों सोशल मीडिया पर आपको कई तरह के ऑप्टिकल इल्यूजन देखते होंगे जिसे लोग सॉल्व करना खूब पसंद करते हैं। इसमें दिलचस्प पहेलियां होती है जिन्हें हल करने के लिए समय निर्धारित किया जाता है। तो चलिए जानते हैं आपके लिए आज का चैलेंज क्या है।

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Air cleaners don't stop you getting sick

New research shows that air filtration systems or 'air cleaners' don't stop you getting sick. Air cleaners are designed to filter pollutants or contaminants out of the air that passes through them.

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Thursday 16 November 2023

No scientific evidence for cognitively advanced behaviors and symbolism by Homo naledi

A new study casts doubt on claims that Homo naledi, a small-brained hominin dating to between 335-241,000 years ago, deliberately buried their dead and produced rock art in Rising Star Cave, South Africa. Recent articles suggested the recent excavations at the Rising Star Cave system provided evidence of at least three burial features, two in the Dinaledi Chamber and a third in the Hill Antechamber cavity. The group of experts have now called for a deeper dig into the science behind the findings.

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Realistic talking faces created from only an audio clip and a person's photo

A team of researchers has developed a computer program that creates realistic videos that reflect the facial expressions and head movements of the person speaking, only requiring an audio clip and a face photo.   DIverse yet Realistic Facial Animations, or DIRFA, is an artificial intelligence-based program that takes audio and a photo and produces a 3D video showing the person demonstrating realistic and consistent facial animations synchronised with the spoken audio (see videos).

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Plants that survived dinosaur extinction pulled nitrogen from air

Ancient cycad lineages that survived the extinction of the dinosaurs may have done so by relying on symbiotic bacteria in their roots to fix atmospheric nitrogen. The finding came from an effort to understand ancient atmospheres, but became an insight into plant evolution instead.

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Birds set foot near South Pole in Early Cretaceous, Australian tracks show

The discovery of 27 avian footprints on the southern Australia coast -- dating back to the Early Cretaceous when Australia was still connected to Antarctica -- opens another window onto early avian evolution and possible migratory behavior.

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Wednesday 15 November 2023

Novel C. diff structures are required for infection, offer new therapeutic targets

Newly discovered iron storage 'ferrosomes' inside the bacterium C. diff -- the leading cause of hospital-acquired infections -- are important for infection in an animal model and could offer new targets for antibacterial drugs. They also represent a rare demonstration of a membrane-bound structure inside a pathogenic bacterium, upsetting the biological dogma that bacteria do not contain organelles. 

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James Webb Space Telescope detects water vapor, sulfur dioxide and sand clouds in the atmosphere of a nearby exoplanet

Astronomers have used recent observations made with the James Webb Space Telescope to study the atmosphere of the nearby exoplanet WASP-107b. Peering deep into the fluffy atmosphere of WASP-107b they discovered not only water vapor and sulfur dioxide, but even silicate sand clouds. These particles reside within a dynamic atmosphere that exhibits vigorous transport of material.

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Tuesday 14 November 2023

'Bouncing' comets could deliver building blocks for life to exoplanets

How did the molecular building blocks for life end up on Earth? One long-standing theory is that they could have been delivered by comets. Now, researchers have shown how comets could deposit similar building blocks to other planets in the galaxy.

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Galactic 'lightsabers': Answering longstanding questions about jets from black holes

The one thing everyone knows about black holes is that absolutely everything nearby gets sucked into them. Almost everything, it turns out. Astrophysicists have now determined conclusively that energy close to the event horizon of black hole M87* is pushing outward, not inward. The researchers have also created a way to test the prediction that black holes lose rotational energy and to establish it's that energy that produces the incredibly powerful jets.

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Endangered turtle population under threat as pollution may lead to excess of females being born

Researchers find exposure to heavy metals cadmium and antimony and certain organic contaminants, accumulated by the mother and transferred to her eggs, may cause embryos to be feminized in green sea turtles (Chelonia mydas), a species already at risk of extinction from a current lack of male hatchlings.

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Monday 13 November 2023

Photo-induced superconductivity on a chip

Researchers have shown that a previously demonstrated ability to turn on superconductivity with a laser beam can be integrated on a chip, opening up a route toward opto-electronic applications.

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Second-most distant galaxy discovered using James Webb Space Telescope

The second- and fourth-most distant galaxies ever observed have been discovered in a region of space known as Pandora's Cluster, or Abell 2744, using data from NASA's James Webb Space Telescope.

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Solar-powered device produces clean water and clean fuel at the same time

A floating, solar-powered device that can turn contaminated water or seawater into clean hydrogen fuel and purified water, anywhere in the world, has been developed by researchers.

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Sunday 12 November 2023

New research exposes early humans' ecological versatility

A recent study sheds new light on the ecological adaptability of early humans at the time when they first expanded their range outside Africa, 2--1 million years ago.  

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Friday 10 November 2023

How animals get their stripes and spots

New research helps explain how sharp patterns form on zebras, leopards, tropical fish and other creatures. Their findings could inform the development of new high-tech materials and drugs.

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Animals like crickets use the ground to amplify calls

When animals 'sing' sitting on the ground -- such as when crickets chirp -- their volume and reach increase dramatically, by as much as ten-fold. This result contradicts long-held beliefs in the field of animal communication, which presume the ground is a hindrance to sound transmission.

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Any activity is better for your heart than sitting -- even sleeping

Replacing sitting with as little as a few minutes of moderate exercise a day tangibly improves heart health, according to new research.

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Anesthesia blocks sensation by cutting off communication within the cortex

Under propofol general anesthesia, sensory input still reaches the brain, but signals do not spread. A new study suggests consciousness requires cortical regions to all be 'on the same page.'

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Thursday 9 November 2023

Yeast with an over half synthetic genome is created in the lab

Researchers have combined over seven synthetic chromosomes that were made in the lab into a single yeast cell, resulting in a strain with more than 50% synthetic DNA that survives and replicates similarly to wild yeast strains. A global consortium is working to develop the first synthetic eukaryote genome from scratch. The team has now synthesized and debugged all sixteen yeast chromosomes.

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New antifungal molecule kills fungi without toxicity in human cells, mice

A new antifungal molecule, devised by tweaking the structure of prominent antifungal drug Amphotericin B, has the potential to harness the drug's power against fungal infections while doing away with its toxicity, researchers report.

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Physicists trap electrons in a 3D crystal

Physicists have trapped electrons in a pure crystal, marking the first achievement of an electronic flat band in a three-dimensional material. The results provide a new way for scientists to explore rare electronic states in 3D materials.

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Wednesday 8 November 2023

Why a surprising discovery, warming seas and the demise of the 'Meg' may spell trouble for more and more sharks

Some unexpected shark strandings and subsequent surprises following autopsies have, ironically, taken marine biologists millions of years back in time as they look to the future with concern. Adding chapters to an evolutionary tale involving the infamous megalodon shark (the 'Meg'), they think their work suggests there are more warm-blooded sharks out there than previously believed, and -- based on the Meg's demise -- these species may be at great risk from warming seas.

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Tuesday 7 November 2023

Window to the past: New microfossils suggest earlier rise in complex life

Microfossils may capture a jump in the complexity of life that coincided with the rise of oxygen in Earth's atmosphere and oceans, according to an international team of scientists.

from All Top News -- ScienceDaily https://ift.tt/4zJywVT

Monday 6 November 2023

'Super melanin' heals skin injuries from sunburn, chemical burns

In a new study, scientists show that their synthetic melanin, mimicking the natural melanin in human skin, can be applied topically to injured skin, where it accelerates wound healing. These effects occur both in the skin itself and systemically in the body.

from All Top News -- ScienceDaily https://ift.tt/M4D2F0c

Thursday 2 November 2023

Nanowire 'brain' network learns and remembers 'on the fly'

Like a collection of 'Pick Up Sticks', this neural network has passed a critical step for developing machine intelligence. For the first time, a physical neural network has successfully been shown to learn and remember 'on the fly', in a way inspired by and similar to how the brain's neurons work. The result opens a pathway for developing efficient and low-energy machine intelligence for more complex, real-world learning and memory tasks.

from All Top News -- ScienceDaily https://ift.tt/L6ouCyP

New species of mosasaur named for Norse sea serpent

Scientists have discovered a new species of mosasaur, large, carnivorous aquatic lizards that lived during the late Cretaceous. With 'transitional' traits that place it between two well-known mosasaurs, the new species is named after a sea serpent in Norse mythology, Jormungandr, and the small North Dakota city Walhalla near to where the fossil was found.

from All Top News -- ScienceDaily https://ift.tt/wohQJxj

Wednesday 1 November 2023

Contraceptive pill users less likely to report depression

A new study has shown that women who are taking the oral contraceptive pill are less likely to report depression. The research, which analysed data from 6,239 women in the United States aged 18-55 years old, found that the prevalence of major depression amongst users of the oral contraceptive pill (OCP) was significantly lower, at 4.6%, compared to former OCP users (11.4%).

from All Top News -- ScienceDaily https://ift.tt/UATFRzY

Mobile phone use may affect semen quality

Does electromagnetic radiation emitted by mobile phones affect semen quality? While various environmental and lifestyle factors have been proposed to explain the decline in semen quality observed over the last fifty years, the role of mobile phones has yet to be demonstrated. A team has now published a major cross-sectional study on the subject. It shows that frequent use of mobile phones is associated with a lower sperm concentration and total sperm count.

from All Top News -- ScienceDaily https://ift.tt/gG9DYKT

How sunflowers see the sun

Sunflowers famously turn their faces to follow the sun as it crosses the sky. But how do sunflowers 'see' the sun to follow it? Plant biologists show that they use a different, novel mechanism from that previously thought.

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Tuesday 31 October 2023

Humans are disrupting natural 'salt cycle' on a global scale, new study shows

A new paper revealed that human activities are making Earth's air, soil and freshwater saltier, which could pose an 'existential threat' if current trends continue. Geologic and hydrologic processes bring salts to Earth's surface over time, but human activities such as mining and land development are rapidly accelerating this natural 'salt cycle.'

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The Crab Nebula seen in new light by NASA's Webb

NASA's James Webb Space Telescope has gazed at the Crab Nebula, a supernova remnant located 6,500 light-years away in the constellation Taurus. Since the recording of this energetic event in 1054 CE by 11th-century astronomers, the Crab Nebula has continued to draw attention and additional study as scientists seek to understand the conditions, behavior, and after-effects of supernovae through thorough study of the Crab, a relatively nearby example.

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Study uncovers hundred-year lifespans for three freshwater fish species in the Arizona desert

New study finds some of the oldest animals in the world living in a place you wouldn't expect: fishes in the Arizona desert.

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Engineers develop an efficient process to make fuel from carbon dioxide

Researchers developed an efficient process that can convert carbon dioxide into formate, a nonflammable liquid or solid material that can be used like hydrogen or methanol to power a fuel cell and generate electricity.

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Monday 30 October 2023

Window to avoid 1.5°C of warming will close before 2030 if emissions are not reduced

Without rapid carbon dioxide emission reductions, the world has a 50% chance of locking in 1.5°C of warming before 2030.

from All Top News -- ScienceDaily https://ift.tt/nElUgz2

Weekly insulin injections have the potential to be as effective in diabetes management as now-common daily injection regimes

Insulin icodec, a once-weekly basal injection to treat type 1 diabetes, has the potential to be as effective in managing the condition as daily basal insulin treatments, according to new research. The results of the year-long phase 3 clinical trial could revolutionize the future of diabetes care and help millions of people better manage their condition.

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Cold War spy satellite imagery reveals Ancient Roman forts

A new study analyzing declassified Cold War satellite imagery reveals 396 previously undocumented Roman forts and reports that these forts were constructed from east to west, spanning from what is now western Syria to northwestern Iraq. The analysis refutes Father Antoine Poidebard's claim that the forts were located along a north-south axis.

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Sunday 29 October 2023

Evolutionary chance made this bat a specialist hunter

It is generally believed that, for millions of years, bats and the insects they hunt at night have adapted to each other in an evolutionary arms race to become better at finding or avoiding each other. Now, a new study shows that this may not be the case at all.

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Protein root discovery seals future of climate-proof plants

Researchers have discovered a protein that seals plant roots to regulate the uptake of nutrients and water from the soil, the discovery could help develop climate proof crops that require less water and chemical fertilizers.   

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Saturday 28 October 2023

Certain online games use dark designs to collect player data

The privacy policies and practices of online games contain dark design patterns which could be deceptive, misleading, or coercive to users, according to a new study.

from All Top News -- ScienceDaily https://ift.tt/HELfVch

Thursday 26 October 2023

Venus had Earth-like plate tectonics billions of years ago, study suggests

Venus, may have once had tectonic plate movements similar to those believed to have occurred on early Earth, a new study found. The finding sets up tantalizing scenarios regarding the possibility of early life on Venus, its evolutionary past and the history of the solar system.

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Wednesday 25 October 2023

Bizarre new fossils shed light on ancient plankton

Recently discovered microfossils date back half a billion years. Resembling modern-day algae, they provide insight into early life in our oceans.

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Raining cats and dogs: Global precipitation patterns a driver for animal diversity

A team has identified several factors to help answer a fundamental ecological question: why is there a ridiculous abundance of species some places on earth and a scarcity in others? What factors, exactly, drive animal diversity? They discovered that what an animal eats (and how that interacts with climate) shapes Earth's diversity.

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LIGO surpasses the quantum limit

Researchers report a significant advance in quantum squeezing, which allows them to measure undulations in space-time across the entire range of gravitational frequencies detected by LIGO. 

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Women with a heart healthy diet in midlife are less likely to report cognitive decline later

Women with diets during middle age designed to lower blood pressure were about 17 percent less likely to report memory loss and other signs of cognitive decline decades later, a new study finds.

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Monday 23 October 2023

Simulating cold sensation without actual cooling

The perception of persistent thermal sensations, such as changes in temperature, tends to gradually diminish in intensity as our bodies become accustomed to the temperature. This phenomenon leads to a shift in our perception of temperature when transitioning between different scenes in a virtual environment. Researchers have now developed a technology to generate a virtual cold sensation via a non-contact method without physically altering the skin temperature.

from All Top News -- ScienceDaily https://ift.tt/Ug8LEOy

The Moon is 40 million years older than previously thought

By analyzing tiny lunar crystals gathered by Apollo 17 astronauts in 1972, researchers recalculated the age of the Earth's Moon. Although previous assessments estimated the Moon as 4.425 billion years old, the new study discovered it is actually 4.46 billion years old -- 40 million years older than previously thought.

from All Top News -- ScienceDaily https://ift.tt/xkcaDJK

Mummified mice discovered atop sky-high Andean volcanoes

Scientists have uncovered 13 mummified cadavers of mice from the summits of Andean volcanoes that stretch nearly 4 miles above sea level. Analyses of the mummies, combined with the capture of live specimens, suggest that the mice scaled the Mars-like peaks on their own -- and are somehow managing to live on them.

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Increased West Antarctic Ice Sheet melting 'unavoidable'

The West Antarctic Ice Sheet will continue to increase its rate of melting over the rest of the century, no matter how much we reduce fossil fuel use, according to new research. A substantial acceleration in ice melting likely cannot now be avoided, which implies that Antarctica's contribution to sea level rise could increase rapidly over the coming decades.

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Sunday 22 October 2023

Generating clean electricity with chicken feathers

Turning unused waste from food production into clean energy: Researchers are using chicken feathers to make fuel cells more cost-effective and sustainable.

from All Top News -- ScienceDaily https://ift.tt/XZew0cq

International team develops novel DNA nano engine

An international team of scientists has recently developed a novel type of nano engine made of DNA. It is driven by a clever mechanism and can perform pulsing movements. The researchers are now planning to fit it with a coupling and install it as a drive in complex nano machines.

from All Top News -- ScienceDaily https://ift.tt/XqT2bDZ

Saturday 21 October 2023

Challenging prehistoric gender roles: Research finds that women were hunters, too

Anthropologists challenge the traditional view of men as hunters and women as gatherers in prehistoric times. Their research reveals evidence of gender equality in roles and suggests that women were physically capable of hunting. The study sheds light on the gender bias in past research and calls for a more nuanced understanding of prehistoric gender roles.

from All Top News -- ScienceDaily https://ift.tt/PSw2cDX

Researchers identify the oldest pieces of Baltic amber found on the Iberian Peninsula: imports began over 5,000 years ago

Baltic amber is a luxury material used in jewellery and handicrafts all over the world. Researchers have shown that Baltic amber arrived on the Iberian Peninsula at least in the 4th millennium BC, more than a millennium earlier than previously thought.

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Thursday 19 October 2023

Black holes could come in 'perfect pairs' in an ever expanding Universe

Researchers have shown it's theoretically possible for black holes to exist in perfectly balanced pairs -- held in equilibrium by a cosmological force -- mimicking a single black hole.

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Wednesday 18 October 2023

How to tell if your boss is a 'corporate psychopath'

New research considers how the financial industry can identify, manage and, if necessary, remove these individuals.

from All Top News -- ScienceDaily https://ift.tt/e0sFOpZ

Tuesday 17 October 2023

Genetic risk scores not useful in predicting disease

A new study looked at 926 polygenic risk scores for 310 diseases. It found that, on average, only 11% of individuals who develop disease are identified, while at the same time 5% of people who do not develop the disease test positive. Unaffected people usually outnumber those affected which results in far more false than true positive predictions.

from All Top News -- ScienceDaily https://ift.tt/8Ccsj5O

Art with DNA -- Digitally creating 16 million colors by chemistry

The DNA double helix is composed of two DNA molecules whose sequences are complementary to each other. The stability of the duplex can be fine-tuned in the lab by controlling the amount and location of imperfect complementary sequences. Fluorescent markers bound to one of the matching DNA strands make the duplex visible, and fluorescence intensity increases with increasing duplex stability. Now, researchers have succeeded in creating fluorescent duplexes that can generate any of 16 million colors -- a work that surpasses the previous 256 colors limitation. This very large palette can be used to 'paint' with DNA and to accurately reproduce any digital image on a miniature 2D surface with 24-bit color depth.

from All Top News -- ScienceDaily https://ift.tt/ylz9xgQ

Source of largest ever Mars quake revealed

Scientists have announced the results of an unprecedented collaboration to search for the source of the largest ever seismic event recorded on Mars. The study rules out a meteorite impact, suggesting instead that the quake was the result of enormous tectonic forces within Mars' crust.

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'Mona Lisa' hides a surprising mix of toxic pigments, study shows

Leonardo da Vinci is renowned to this day for innovations in fields across the arts and sciences. Now, new analyses show that his taste for experimentation extended even to the base layers underneath his paintings. Surprisingly, samples from both the 'Mona Lisa' and the 'Last Supper' suggest that he experimented with lead(II) oxide, causing a rare compound called plumbonacrite to form below his artworks.

from All Top News -- ScienceDaily https://ift.tt/sCQjJN0

Monday 16 October 2023

Extinct ape gets a facelift, 12 million years later

A new study has reconstructed the well-preserved but damaged skull of a great ape species that lived about 12 million years ago. The species, Pierolapithecus catalaunicus, may be crucial to understanding great ape and human evolution.

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New threat to Antarctic fur seals

Populations of charismatic animals have recovered since hunting ban but now struggle to find enough food.

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Saturday 14 October 2023

Human Brain Cell Atlas offers unprecedented look at neuropsychiatric disorders

In a large, multi-institutional effort researchers have analyzed more than a million human brain cells and revealed links between specific types of cells and various common neuropsychiatric disorders.

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Friday 13 October 2023

Fresh light shed on mystery of infant consciousness

There is evidence that some form of conscious experience is present by birth, and perhaps even in late pregnancy, an international team of researchers has found. 

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Scientists unveil detailed cell maps of the human brain and the nonhuman primate brain

A group of international scientists have mapped the genetic, cellular, and structural makeup of the human brain and the nonhuman primate brain. This understanding of brain structure allows for a deeper knowledge of the cellular basis of brain function and dysfunction, helping pave the way for a new generation of precision therapeutics for people with mental disorders and other disorders of the brain.

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Extraordinary fossil find reveals details about the weight and diet of extinct saber-toothed marsupial

A 13-million-year-old saber-toothed marsupial skeleton discovered during paleontological explorations in Colombia is the most complete specimen recovered in the region.

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Thursday 12 October 2023

Fruit fly serenade: Neuroscientists decode their tiny mating song

An extremely supportive atmosphere for new ideas laid the foundation for an 'Aha moment' about a toggle-switch in the fruit fly brain. Do humans have one, too?

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Self-correcting quantum computers within reach?

Quantum computers promise to reach speeds and efficiencies impossible for even the fastest supercomputers of today. Yet the technology hasn't seen much scale-up and commercialization largely due to its inability to self-correct. Quantum computers, unlike classical ones, cannot correct errors by copying encoded data over and over. Scientists had to find another way. Now, a new paper in Nature illustrates a Harvard quantum computing platform's potential to solve the longstanding problem known as quantum error correction.

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Researchers reconstruct speech from brain activity, illuminates complex neural processes

Researchers created and used complex neural networks to recreate speech from brain recordings, and then used that recreation to analyze the processes that drive human speech.

from All Top News -- ScienceDaily https://ift.tt/JhEOvyH

Neanderthal gene variants associated with greater pain sensitivity

People who carry three gene variants that have bene inherited from Neanderthals are more sensitive to some types of pain, according to a new study.

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Wednesday 11 October 2023

NASA's Webb captures an ethereal view of NGC 346

One of the greatest strengths of NASA’s James Webb Space Telescope is its ability to give astronomers detailed views of areas where new stars are being born. The latest example, showcased here in a new image from Webb’s Mid-Infrared Instrument (MIRI), is NGC 346 – the brightest and largest star-forming region in the Small Magellanic Cloud.

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Researchers capture first-ever afterglow of huge planetary collision in outer space

A chance social media post by an eagle-eyed amateur astronomer sparked the discovery of an explosive collision between two giant planets, which crashed into each other in a distant space system 1,800 light years away from planet Earth.

from All Top News -- ScienceDaily https://ift.tt/8bc5Jzf

Doubling down on known protein families

A massive computational analysis of microbiome datasets has more than doubled the number of known protein families. This is the first time protein structures have been used to help characterize the vast array of microbial 'dark matter.'  

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'Starquakes' could explain mystery signals

Fast radio bursts, or FRBs, are an astronomical mystery, with their exact cause and origins still unconfirmed. These intense bursts of radio energy are invisible to the human eye, but show up brightly on radio telescopes. Previous studies have noted broad similarities between the energy distribution of repeat FRBs, and that of earthquakes and solar flares. However, new research has looked at the time and energy of FRBs and found distinct differences between FRBs and solar flares, but several notable similarities between FRBs and earthquakes. This supports the theory that FRBs are caused by 'starquakes' on the surface of neutron stars. This discovery could help us better understand earthquakes, the behavior of high-density matter and aspects of nuclear physics.

from All Top News -- ScienceDaily https://ift.tt/Ztarq2d

Tuesday 10 October 2023

AI language models could help diagnose schizophrenia

Scientists have developed new tools, based on AI language models, that can characterize subtle signatures in the speech of patients diagnosed with schizophrenia.

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Finding explanation for Milky Way's warp

Though scientists have long known through observational data that the Milky Way is warped and its edges are flared like a skirt, no one could explain why. Now, astronomers have performed the first calculations that fully explain this phenomenon, with compelling evidence pointing to the Milky Way's envelopment in an off-kilter halo of dark matter. 

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Powering AI could use as much electricity as a small country

Artificial intelligence (AI) comes with promises of helping coders code faster, drivers drive safer, and making daily tasks less time-consuming. But a recent study demonstrates that the tool, when adopted widely, could have a large energy footprint, which in the future may exceed the power demands of some countries.

from All Top News -- ScienceDaily https://ift.tt/HFJMpIk

Evidence from the remains of 1918 flu pandemic victims contradicts long-held belief that healthy young adults were particularly vulnerable

New analysis of the remains of victims of the 1918 influenza pandemic, which killed an estimated 50 million people worldwide, contradicts the widespread belief the flu disproportionately impacted healthy young adults. 

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Monday 9 October 2023

Plate tectonic surprise: Geologist unexpectedly finds remnants of a lost mega-plate

Geologists have reconstructed a massive and previously unknown tectonic plate that was once one-quarter the size of the Pacific Ocean. The team had predicted its existence over 10 years ago based on fragments of old tectonic plates found deep in the Earth’s mantle. To the lead researchers surprise, she found that oceanic remnants on northern Borneo must have belonged to the long-suspected plate, which scientists have named Pontus. She has now reconstructed the entire plate in its full glory.

from All Top News -- ScienceDaily https://ift.tt/oFPGzSZ

The Gulf Stream is warming and shifting closer to shore

The Gulf Stream is intrinsic to the global climate system, bringing warm waters from the Caribbean up the East Coast of the United States. As it flows along the coast and then across the Atlantic Ocean, this powerful ocean current influences weather patterns and storms, and it carries heat from the tropics to higher latitudes as part of the Atlantic Meridional Overturning Circulation.  A new study now documents that over the past 20 years, the Gulf Stream has warmed faster than the global ocean as a whole and has shifted towards the coast. The study relies on over 25,000 temperature and salinity profiles collected between 2001 and 2023.  

from All Top News -- ScienceDaily https://ift.tt/CzJYa9s

Climate-driven extreme heat may make parts of Earth too hot for humans

If global temperatures increase by 1 degree Celsius (C) or more than current levels, each year billions of people will be exposed to heat and humidity so extreme they will be unable to naturally cool themselves, according to interdisciplinary research. Results indicated that warming of the planet beyond 1.5 C above preindustrial levels will be increasingly devastating for human health across the planet.  

from All Top News -- ScienceDaily https://ift.tt/KgnrFxE

Friday 6 October 2023

Oldest fossil human footprints in North America confirmed

New research reaffirms that human footprints found in White Sands National Park, NM, date to the Last Glacial Maximum, placing humans in North America thousands of years earlier than once thought.  In September 2021, scientists announced that ancient human footprints discovered in White Sands National Park were between 21,000 and 23,000 years old. This discovery pushed the known date of human presence in North America back by thousands of years and implied that early inhabitants and megafauna co-existed for several millennia before the terminal Pleistocene extinction event. In a follow-up study, researchers used two new independent approaches to date the footprints, both of which resulted in the same age range as the original estimate. 

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New discovery may 'unlock' the future of infectious disease and cancer treatment

Researchers have identified a 'guard mechanism' for a protein which attacks microbes in infected cells, opening the possibility of new treatments for Toxoplasma, Chlamydia, Tuberculosis and even cancer.

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Brain is 'rewired' during pregnancy to prepare for motherhood

Researchers have shown that pregnancy hormones ‘rewire’ the brain to prepare mice for motherhood. The findings show that both estrogen and progesterone act on a small population of neurons in the brain to switch on parental behavior even before offspring arrive. These adaptations resulted in stronger and more selective responses to pups.

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Thursday 5 October 2023

Ancient carbon in rocks releases as much carbon dioxide as the world's volcanoes

New research has overturned the traditional view that natural rock weathering acts as a carbon sink that removes CO2 from the atmosphere. Instead, this can also act as a large CO2 source, rivaling that of volcanoes.

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Survival of the newest: the mammals that survive mass extinctions aren't as 'boring' as scientists thought

For decades, scientists have assumed that mammals and their relatives that survived challenging times (like those during mass extinctions) made it because they were generalists that were able to eat just about anything and adapt to whatever life threw at them. A new study into the mammal family tree through multiple mass extinctions revealed that the species that survived aren't as generic as scientists had thought: instead, having new and different traits can be the key to succeeding in the aftermath of a catastrophe.

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Wednesday 4 October 2023

Analysis of grinding tools reveals plant, pigment and bone processing in Neolithic Northern Saudi Arabia

Use-wear analysis of grinding tools from the site of Jebel Oraf shows that the artifacts were used during the Neolithic, shedding new light on the subsistence and lifestyle of ancient peoples in the region.

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Early human migrants followed lush corridor-route out of Africa

Scientists have found early human migrants left Africa for Eurasia, across the Sinai peninsula and on through Jordan, over 80-thousand years ago. Researchers have proved there was a 'well-watered corridor' which funneled hunter-gatherers through The Levant towards western Asia and northern Arabia via Jordan.

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Staying dry for months underwater

Researchers have developed a superhydrophobic surface with a stable plastron that can last for months under water. The team’s general strategy to create long-lasting underwater superhydrophobic surfaces, which repel blood and drastically reduce or prevent the adhesion of bacterial and marine organisms such as barnacles and mussels, opens a range of applications in biomedicine and industry.

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Could future AI crave a favorite food?

Can artificial intelligence (AI) get hungry? Develop a taste for certain foods? Not yet, but a team of researchers is developing a novel electronic tongue that mimics how taste influences what we eat based on both needs and wants, providing a possible blueprint for AI that processes information more like a human being.

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Study identifies jet-stream pattern that locks in extreme winter cold, wet spells

Winter is coming—eventually. And while the earth is warming, a new study suggests that the atmosphere is being pushed around in ways that cause long bouts of extreme winter cold or wet in some regions. The study’s authors say they have identified giant meanders in the global jet stream that bring polar air southward, locking in frigid or wet conditions concurrently over much of North America and Europe, often for weeks at a time. Such weather waves, they say, have doubled in frequency since the 1960s. In just the last few years, they have killed hundreds of people and paralyzed energy and transport systems.

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Unique voice print in parrots

Individual voice could help birds be recognized in a flock, no matter what they say.

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Tuesday 3 October 2023

Instant evolution: AI designs new robot from scratch in seconds

Researchers developed the first AI to date that can intelligently design robots from scratch by compressing billions of years of evolution into mere seconds. It's not only fast but also runs on a lightweight computer and designs wholly novel structures from scratch — without human-labeled, bias-filled datasets.

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Large mound structures on Kuiper belt object Arrokoth may have common origin

A new study posits that the large, approximately 5-kilometer-long mounds that dominate the appearance of the larger lobe of the pristine Kuiper Belt object Arrokoth are similar enough to suggest a common origin. The study suggests that these “building blocks” could guide further work on planetesimal formational models.

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Bursts of star formation explain mysterious brightness at cosmic dawn

In the James Webb Space Telescope’s (JWST) first images of the universe’s earliest galaxies, the young galaxies appear too bright, too massive and too mature to have formed so soon after the Big Bang. Using new simulations, a team of astrophysicists now has discovered that these galaxies likely are not so massive after all. Although a galaxy’s brightness is typically determined by its mass, the new findings suggest that less massive galaxies can glow just as brightly from irregular, brilliant bursts of star formation.

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Desalination system could produce freshwater that is cheaper than tap water

Researchers have designed a new solar desalination system that takes in saltwater and heats it with natural sunlight. The system flushes out accumulated salt, so replacement parts aren't needed often, meaning the system could potentially produce drinking water at a rate and price that is cheaper than tap water.

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Monday 2 October 2023

New study removes human bias from debate over dinosaurs' demise

Researchers tried a new approach to resolve the scientific debate over whether it was a giant asteroid or volcanoes that wiped out the dinosaurs -- they removed scientists from the debate and let the computers decide. The researchers created a model powered by 130 interconnected processors that, without human input, reverse-engineered the Cretaceous-Paleogene mass extinction until they reached a scenario that matched the fossil record. The model determined that while a meteorite contributed to the cataclysm, the outpouring of climate-altering gases from the nearly 1-million-year eruptions of volcanoes in western India's Deccan Traps would have been sufficient to trigger the extinction and clear the way for the ascendance of mammals.

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Colliding neutron stars provide a new way to measure the expansion of the Universe

In recent years, astronomy has seen itself in a bit of crisis: Although we know that the Universe expands, and although we know approximately how fast, the two primary ways to measure this expansion do not agree. Now astrophysicists suggest a novel method which may help resolve this tension.

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Sunday 1 October 2023

Wild Asian elephants display unique puzzle solving skills

A new study has documented the abilities of individual wild Asian elephants to access food by solving puzzles that unlocked storage boxes. It is the first research study to show that individual wild elephants have different willingness and abilities to problem solve in order to get food.

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A turtle time capsule: DNA found in ancient shell

Paleontologists discover possible DNA remains in fossil turtle that lived 6 million years ago in Panama, where continents collide.

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For the lonely, a blurred line between real and fictional people

In lonely people, the boundary between real friends and favorite fictional characters gets blurred in the part of the brain that is active when thinking about others, a new study found.

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Saturday 30 September 2023

Strength is in this glass's DNA

Scientists were able to fabricate a pure form of glass and coat specialized pieces of DNA with it to create a material that was not only stronger than steel, but incredibly lightweight.

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Wednesday 27 September 2023

Down goes antimatter! Gravity's effect on matter's elusive twin is revealed

For the first time, in a unique laboratory experiment at CERN, researchers have observed individual atoms of antihydrogen fall under the effects of gravity. In confirming antimatter and regular matter are gravitationally attracted, the finding rules out gravitational repulsion as the reason why antimatter is largely missing from the observable universe.

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Study sheds new light on strange lava worlds

In a new study, scientists have shown that sweeping molten oceans have a large influence on the observed properties of hot rocky Super-Earths, such as their size and evolutionary path.

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Tuesday 26 September 2023

Did life exist on Mars? Other planets? With AI's help, we may know soon

Scientists have discovered a simple and reliable test for signs of past or present life on other planets -- 'the holy grail of astrobiology.' Researchers report that, with 90% accuracy, their artificial intelligence-based method distinguished modern and ancient biological samples from those of abiotic origin.

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Monday 25 September 2023

New insights into the atmosphere and star of an exoplanet

A new study of the intriguing TRAPPIST-1 exoplanetary system has demonstrated the complex interaction between the activity of the system's star and its planetary features.

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Hidden supermassive black holes reveal their secrets through radio signals

Astronomers have found a striking link between the amount of dust surrounding a supermassive black hole and the strength of the radio emission produced in extremely bright galaxies.

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New study definitively confirms Gulf Stream weakening, understanding the changes could help predict future trends in extreme events

The Gulf Stream transport of water through the Florida Strait has slowed by 4% over the past four decades, with a 99% certainty that this weakening is more than expected from random chance, according to a new study.

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Upgrading iron and steel plants could save equivalent of two years of global carbon emissions

Upgrading, or retrofitting, the world's iron and steel processing plants early could reduce carbon emissions by up to 70 gigatonnes by 2050, roughly equivalent to two years' worth of net global carbon emissions, according to a new study led by UCL researchers.

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Friday 22 September 2023

Ritual use of human remains dating from the Neolithic

An international study has documented post-mortem bone modifications not linked to consumption.

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Researchers issue urgent call to save the world's largest flower -Rafflesia -- from extinction

A new study finds that most Rafflesia species, which produce the world's largest flowers, face extinction. Lack of protection at local, national, and international levels means that remaining populations are under critical threat.

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An implantable device could enable injection-free control of diabetes

Engineers designed an implantable device that carries hundreds of thousands of islet cells along with its own on-board oxygen factory to keep the cells healthy. Such a device could help Type 1 diabetes patients eliminate the need for insulin injections.

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Probing the deep genetic structure of Africa

Using ancestry decomposition techniques an international research team has revealed a deeply divergent ancestry among admixed populations from the Angolan Namib desert. This unique genetic heritage brings the researchers closer to understanding the distribution of genetic variation in the broader region of southern Africa before the spread of food production.

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Thursday 21 September 2023

This parasitic plant convinces hosts to grow into its own flesh--it's also an extreme example of genome shrinkage

Balanophora shed one third of its genes as it evolved into a streamlined parasitic plant -- an extreme degree of genome shrinkage even among parasites. Along the way this subtropical plant developed the ability to induce the host plant to grow into the parasite's own flesh -- forming chimeric organs that mix host and parasite tissues.

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Dinosaur feathers reveal traces of ancient proteins

Palaeontologists have discovered X-ray evidence of proteins in fossil feathers that sheds new light on feather evolution.

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How climate warming could disrupt a deep-rooted relationship

Trees depend on fungi for their well-being. As climate change and global warming cause higher temperatures and amplified drought, little is known about how these important fungi will respond. To investigate this issue, a research team conducted a climate change experiment where they exposed boreal and temperate tree species to warming and drought treatments to better understand how fungi and their tree hosts respond to environmental changes. Their findings revealed that the combined effects of warming and water stress will likely result in major disturbances of ectomycorrhizal networks and may harm forest resilience and function.

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No shortcuts: New approach may help extract more heat from geothermal reservoirs

Geothermal heat offers a promising source of renewable energy with almost zero emissions, but it remains a relatively expensive option to generate electricity. A new technique may help prevent 'short-circuits' that can cause geothermal power plants to halt production, potentially improving the efficiency of geothermal power, the researchers said.

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Scientists regenerate neurons that restore walking in mice after paralysis from spinal cord injury

In a new study in mice, researchers have uncovered a crucial component for restoring functional activity after spinal cord injury. The neuroscientists have shown that re-growing specific neurons back to their natural target regions led to recovery, while random regrowth was not effective.

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Scientists successfully maneuver robot through living lung tissue

Scientists have shown that their steerable lung robot can autonomously maneuver the intricacies of the lung, while avoiding important lung structures.

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Wednesday 20 September 2023

New recipes for origin of life may point way to distant, inhabited planets

Life on a faraway planet -- if it's out there -- might not look anything like life on Earth. But there are only so many chemical ingredients in the universe's pantry, and only so many ways to mix them. Scientists have now exploited those limitations to write a cookbook of hundreds of chemical recipes with the potential to give rise to life. Their ingredient list could focus the search for life elsewhere in the universe by pointing out the most likely conditions -- planetary versions of mixing techniques, oven temperatures and baking times -- for the recipes to come together.

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At which age we are at our happiest?

At what age are people at their happiest? This seemingly simple question has been studied extensively over the past decades, but a definitive answer has long been elusive. A research team has now shed light on the question in a comprehensive meta-analytic review. The findings show that the respondents' life satisfaction decreased between the ages of 9 and 16, then increased slightly until the age of 70, and then decreased once again until the age of 96.

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Artificial Intelligence tools shed light on millions of proteins

A research team has uncovered a treasure trove of uncharacterized proteins. Embracing the recent deep learning revolution, they discovered hundreds of new protein families and even a novel predicted protein fold.

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Slow growth in crocodile ancestors pre-dated their semi-aquatic lifestyle

A groundbreaking study is reshaping our understanding of crocodile evolution by pinpointing the onset of slow growth rates to the Late Triassic period, much earlier than the previously assumed Early Jurassic timeline. The research highlights newly discovered fossil crocodile ancestors (known as crocodylomorphs) that exhibited slow growth rates, similar to modern-day crocodilians. Intriguingly, these early crocodylomorphs were not the lethargic, semi-aquatic creatures we are familiar with today; they were small, active, and fully terrestrial. The study also suggests that this slow-growth strategy was not a mere evolutionary quirk but a survival mechanism, as only the slow-growing crocodylomorphs managed to survive the End-Triassic mass extinction. This stands in stark contrast to the fast-growing dinosaurs of the same era, setting the stage for the divergent evolutionary paths that would later define their modern descendants.

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Spider silk is spun by silkworms for the first time, offering a green alternative to synthetic fibers

Scientists have synthesized spider silk from genetically modified silkworms, producing fibers six times tougher than the Kevlar used in bulletproof vests. The study is the first to successfully produce full-length spider silk proteins using silkworms. The findings demonstrate a technique that could be used to manufacture an environmentally friendly alternative to synthetic commercial fibers such as nylon.

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Black holes eat faster than previously expected

While previous researchers have hypothesized that black holes eat slowly, new simulations indicate that black holes scarf food much faster than conventional understanding suggests. Some quasars brighten and disappear within months -- a time scale that aligns with the new findings.

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Prehistoric fish fills 100 million year gap in evolution of the skull

X-rays of an ancient jawless fish shows earliest-known example of internal cartilage skull, unlike that of any other known vertebrate.

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Tuesday 19 September 2023

RNA for the first time recovered from an extinct species

A new study shows the isolation and sequencing of more than a century-old RNA molecules from a Tasmanian tiger specimen preserved at room temperature in a museum collection. This resulted in the reconstruction of skin and skeletal muscle transcriptomes from an extinct species for the first time. The researchers note that their findings have relevant implications for international efforts to resurrect extinct species, including both the Tasmanian tiger and the woolly mammoth, as well as for studying pandemic RNA viruses.

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Monday 18 September 2023

Golden future for thermoelectrics

Researchers discover excellent thermoelectric properties of nickel-gold alloys. These can be used to efficiently convert heat into electrical energy.

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Brain-altering parasite turns ants into zombies at dawn and dusk

It takes over the brains of ants, causing them to cling to blades of grass against their will. The lancet liver fluke has an exceptional lifecycle strategy, in which snails, ants and grazing animals are unwitting actors. Researchers now reveal more about the mind-bending workings of this tiny parasite.

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Breakthrough: Highly efficient electrocatalyst for clean energy

A research team has achieved a groundbreaking advancement in nanomaterials by successfully developing a highly efficient electrocatalyst which can enhance the generation of hydrogen significantly through electrochemical water splitting. This major breakthrough has great application potential for the clean energy industry.

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Friday 15 September 2023

In major breakthrough, researchers close in on potential preeclampsia cure

Researchers have achieved a significant breakthrough in identifying the primary cause and potential treatment for preeclampsia, a severe pregnancy complication. Experts pinpointed a toxic protein named cis P-tau in the blood and placenta of individuals with preeclampsia. The study describes cis P-tau as a pivotal circulating instigator of preeclampsia. An antibody developed in 2012 to target only the toxic protein while leaving its healthy counterpart unscathed is currently undergoing clinical trials in human patients suffering from traumatic brain injury and Alzheimer's Disease. The antibody has shown promising results in animal models and human cell cultures in treating the brain conditions. Upon testing this antibody in mice, the researchers found the all symptoms associated with preeclampsia were corrected.

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Earth's stability and ability to support civilization at risk: Six of nine planetary boundaries exceeded

A new study updates the planetary boundary framework and shows human activities are increasingly impacting the planet and, thereby, increasing the risk of triggering dramatic changes in overall Earth conditions.

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Genetically modified bacteria break down plastics in saltwater

Researchers have genetically engineered a marine microorganism to break down plastic in salt water. Specifically, the modified organism can break down polyethylene terephthalate (PET), a plastic used in everything from water bottles to clothing that is a significant contributor to microplastic pollution in oceans.

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Electrons from Earth may be forming water on the Moon

Planetary scientists have discovered that high energy electrons in Earth's plasma sheet are contributing to weathering processes on the Moon's surface and, importantly, the electrons may have aided the formation of water on the lunar surface.

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Making hydrogen from waste plastic could pay for itself

Researchers have found a way to harvest hydrogen from plastic waste using a low-emissions method that generates graphene as a by-product, which could help offset production costs.

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Thursday 14 September 2023

How just one set of animal tracks can provide a wealth of information

Rock faces in Namibia are decorated with hundreds of stone-age images not only of animals and human footprints, but also of animal tracks. These have been largely neglected to date as researchers lacked the knowledge required to interpret them. Archaeologists have now worked together with animal tracking experts to investigate the engraved animal tracks on six rock faces in more detail, and were able to determine detailed information on the species, age, sex, limbs, side of the body, trackway and relative direction of the tracks.

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Wednesday 13 September 2023

AI foundation model for eye care to supercharge global efforts to prevent blindness

Researchers have developed an artificial intelligence (AI) system that has the potential to not only identify sight-threatening eye diseases but also predict general health, including heart attacks, stroke, and Parkinson's disease.

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Mysterious family of microbial proteins hijack crops' cellular plumbing

Some crop pathogens use a clever trick to multiply and spread infection: they hijack the plant's cellular plumbing. In a new study, researchers unveil a class of bacterial proteins that fold into a straw-like shape and insert themselves into the plant cell membrane, allowing the inside of the leaf to become waterlogged. The researchers also figured out a possible way to block the water channel proteins and prevent infection.

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Battery-free robots use origami to change shape in mid-air

Researchers have developed small robotic devices that can change how they move through the air by 'snapping' into a folded position during their descent. Each device has an onboard battery-free actuator, a solar power-harvesting circuit and controller to trigger these shape changes in mid-air.

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Shipboard cannon found off the Swedish coast may be the oldest in Europe

Maritime archaeologists have studied what might be Europe's oldest shipboard cannon. The cannon was found in the sea off Marstrand on the Swedish west coast and dates back to the 14th century. The findings from the interdisciplinary study contribute new knowledge about the early development of artillery on land and at sea, but also bears witness to a troubled period for seafarers as well as coastal populations.

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Matter comprises of 31% of the total amount of matter and energy in the universe

One of the most interesting and important questions in cosmology is, 'How much matter exists in the universe?' An international team has now succeeded in measuring the total amount of matter for the second time. The team determined that matter makes up 31% of the total amount of matter and energy in the universe, with the remainder consisting of dark energy.

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100-year floods could occur yearly by end of 21st century

Most coastal communities will encounter '100-year floods' annually by the end of the century, even under a moderate scenario where carbon dioxide emissions peak by 2040, according to a new study. And as early as 2050, regions worldwide could experience 100-year floods every nine to fifteen years on average.

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Discovery of two potential Polar Ring galaxies suggests these stunning rare clusters might be more common than previously believed

These new detections suggest polar ring galaxies might be more common than previously believed.

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Tuesday 12 September 2023

Healthy lifestyle can help prevent depression -- and new research may explain why

A healthy lifestyle that involves moderate alcohol consumption, a healthy diet, regular physical activity, healthy sleep and frequent social connection, while avoiding smoking and too much sedentary behavior, reduces the risk of depression, new research has found.

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Dark matter halos measured around ancient quasars

At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts of radiation, and are then called quasars. It is thought these are activated by the presence of massive dark matter halos (DMH) surrounding the galaxy, directing matter towards the center, feeding the black hole. A team has now surveyed hundreds of ancient quasars and found this behavior is very consistent throughout history. This is surprising, as many large-scale processes show variation throughout the life of the universe, so the mechanism of quasar activation could have implications for the evolution of the entire universe.

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Lions on the brink -- New analysis reveals the differing threats to African lion populations

New results reveal that many of Africa's remaining lions live within small, fragmented populations at risk of disappearing. The researchers developed a new framework which integrates ecological and socio-political risk factors to better understand the fragility of these populations.

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Monday 11 September 2023

Webb discovers methane, carbon dioxide in atmosphere of K2-18 b

A new investigation with NASA's James Webb Space Telescope into K2-18 b, an exoplanet 8.6 times as massive as Earth, has revealed the presence of carbon-bearing molecules including methane and carbon dioxide. Webb's discovery adds to recent studies suggesting that K2-18 b could be a Hycean exoplanet, one which has the potential to possess a hydrogen-rich atmosphere and a water ocean-covered surface.

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Archaeologists reveal largest palaeolithic cave art site in Eastern Iberia

Archaeologists have discovered a major Palaeolithic cave art site, arguably the most important found on the Eastern Iberian Coast in Europe.

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Friday 8 September 2023

'Brainless' robot can navigate complex obstacles

Researchers who created a soft robot that could navigate simple mazes without human or computer direction have now built on that work, creating a 'brainless' soft robot that can navigate more complex and dynamic environments.

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Study hints at the existence of the closest black holes to Earth in the Hyades star cluster

A new article hints at the existence of several black holes in the Hyades cluster -- the closest open cluster to our solar system -- which would make them the closest black holes to Earth ever detected.

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Engineers design more powerful RNA vaccines

By adding synergistic self-adjuvanting properties to Covid-19 RNA vaccines, researchers showed they could significantly boost the immune response generated in mice.

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Thursday 7 September 2023

Fiber from crustaceans, insects, mushrooms promotes digestion

Crustaceans, insects and mushrooms are rich sources of the dietary fiber chitin, which activates the immune system and benefits metabolism, according to a new study in mice.

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Dog diversity unveiled by international DNA database

An international consortium of scientists is using an unprecedentedly large database of canine DNA to take an unbiased look at how our furry friends evolved into the various breeds we know and love.

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Stability inspection for West Antarctica shows: marine ice sheet is not destabilized yet, but possibly on a path to tipping

Antarctica's vast ice masses seem far away, yet they store enough water to raise global sea levels by several meters. A team of experts has now provided the first systematic stability inspection of the ice sheet's current state. Their diagnosis: While they found no indication of irreversible, self-reinforcing retreat of the ice sheet in West Antarctica yet, global warming to date could already be enough to trigger the slow but certain loss of ice over the next hundreds to thousands of years.

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Wednesday 6 September 2023

Human shoulders and elbows first evolved as brakes for climbing apes

Researchers report that the flexible shoulders and elbows that allow us to throw a football or reach a high shelf may have evolved as a natural braking system that let our primate ancestors get out of trees without dying. The researchers used sports-analysis software to compare the climbing movements of chimpanzees and small monkeys called mangabeys. While the animals climb up trees similarly, the researchers found that the shallow, rounded shoulder joints and shortened elbow bones that chimps have -- similar to humans -- allow them to fully extend their arms above their heads when climbing down, holding onto branches like a person going down a ladder to support their greater weight. When early humans left forests for the grassy savanna, these versatile appendages would have been essential for gathering food and using tools for hunting and defense. The findings are among the first to identify the significance of 'downclimbing' in the evolution of apes and early humans.

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Furthest ever detection of a galaxy's magnetic field

Astronomers have detected the magnetic field of a galaxy so far away that its light has taken more than 11 billion years to reach us: we see it as it was when the Universe was just 2.5 billion years old. The result provides astronomers with vital clues about how the magnetic fields of galaxies like our own Milky Way came to be.

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Vast bubble of galaxies discovered, given Hawaiian name

The immense bubble is 820 million light years from Earth and believed to be a fossil-like remnant of the birth of the universe.

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Fossil spines reveal deep sea's past

Right at the bottom of the deep sea, the first very simple forms of life on earth probably emerged a long time ago. Today, the deep sea is known for its bizarre fauna. Intensive research is being conducted into how the number of species living on the sea floor have changed in the meantime. Some theories say that the ecosystems of the deep sea have emerged again and again after multiple mass extinctions and oceanic upheavals. Today's life in the deep sea would thus be comparatively young in the history of the Earth. But there is increasing evidence that parts of this world are much older than previously thought.

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Tuesday 5 September 2023

Optical Illusion: क्या 15 सेकंड में तस्वीर में छिपा नम्बर '3' ढूंढ़ सकते हैं आप?

Optical Illusion आज के ऑप्टिकल इल्यूजन में आपको तस्वीर में से एक ऑड नम्बर को ढूंढ़कर निकालना है। फोटो में आपको खूब सारे 8 नम्बर नजर आ रहे होंगे। इन्ही के बीच छिपा है नम्बर 3 जिसे आपको सिर्फ 15 सेकंड में ढूंढ़ कर निकालना है। अगर आपका दिमाग और आंखें तेज हैं तो आपको इसे ढूंढ़ने में ज्यादा वक्त नहीं लगेगा।

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Monday 4 September 2023

Causes of the Qing Dynasty's collapse: Parallels to today's instability

The Qing Dynasty in China, after over 250 years, crumbled in 1912. An international research team has pinpointed key reasons behind the collapse, revealing parallels to modern instability and offering vital lessons for the future.

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Exploring light neutron-rich nuclei: First observation of oxygen-28

The neutron-rich oxygen isotopes oxygen-27 and oxygen-28 exist as very short-lived resonances, report scientists based on the first observation of their decay into oxygen-24 and three and four neutrons, respectively. Notably, the oxygen-28 nucleus is found not to be 'doubly magic' as expected in the standard shell-model picture. This study provides valuable insights into the nuclear structure.

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Bacteria treatment reduces insulin resistance, protects against diabetes

Researchers have discovered a type of gut bacteria that might help improve insulin resistance, and thus protect against the development of obesity and type-2 diabetes. The study involved genetic and metabolic analysis of human fecal microbiomes and then corroborating experiments in obese mice.

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Friday 1 September 2023

New research explains 'Atlantification' of the Arctic Ocean

New research by an international team of scientists explains what's behind a stalled trend in Arctic Ocean sea ice loss since 2007. The findings indicate that stronger declines in sea ice will occur when an atmospheric feature known as the Arctic dipole reverses itself in its recurring cycle. The many environmental responses to the Arctic dipole are described in a recent article. This analysis helps explain how North Atlantic water influences Arctic Ocean climate. Scientists call it Atlantification.

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Groundwater depletion rates in India could triple in coming decades as climate warms, study shows

A new study finds that farmers in India have adapted to warming temperatures by intensifying the withdrawal of groundwater used for irrigation. If the trend continues, the rate of groundwater loss could triple by 2080, further threatening India's food and water security. Reduced water availability in India due to groundwater depletion and climate change could threaten the livelihoods of more than one-third of the country's 1.4 billion residents and has global implications.

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Thursday 31 August 2023

Discovery opens possibility of new ion channel-targeting drugs

Ion channels are attractive drug targets due to their importance in health and disease, but finding ways to target a specific ion channel selectively is a major challenge. Now, researchers have discovered that ion channels called BK channels have unique openings in their sides, which drug molecules may be able to access. The finding could lead to the development of selective drugs that target the BK channel to treat a wide range of diseases.

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Expanding the impact of CAR T cell therapy: An immunotherapy strategy against all blood cancers

A broad new strategy could hold hope for treating virtually all blood cancers with CAR T cell therapy, which is currently approved for five subtypes of blood cancer. Scientists have demonstrated the potential efficacy of this approach a preclinical study.

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Scientists detect and validate the longest-period exoplanet found with TESS

Scientists have detected and validated two of the longest-period exoplanets found by TESS to date. These long period large exoplanets orbit a K dwarf star and belong to a class of planets known as warm Jupiters, which have orbital periods of 10-200 days and are at least six times Earth's radius. This recent discovery offers exciting research opportunities for the future of finding long-period planets that resemble those in our own solar system.

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Unprecedented gamma-ray burst explained by long-lived jet

While astrophysicists previously believed that only supernovae could generate long gamma-ray bursts (GRBs), a 2021 observation uncovered evidence that compact-object mergers also can generate the phenomenon. Now, a new simulation confirms and explains this finding. If the accretion disk around the black hole is massive, it launches a jet that lasts several seconds, matching the description of a long GRB from a merger.

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Wednesday 30 August 2023

Paving the way for advanced quantum sensors

Quantum physics has allowed for the creation of sensors far surpassing the precision of classical devices. Now, several new studies show that the precision of these quantum sensors can be significantly improved using entanglement produced by finite-range interactions. Researchers were able to demonstrate this enhancement using entangled ion-chains with up to 51 particles.

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Newly engineered versions of bacterial enzyme reveal how antibiotics could be more potent

Researchers applied a new technology to generate the full inventory of mutations in the bacterial species Escherichia coli where the antibiotic rifampicin attaches to and disables an essential bacterial enzyme known as RNA polymerase (RNAP).

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Past abrupt changes in North Atlantic Overturning have impacted the climate system across the globe

Abrupt climate changes have affected rainfall patterns worldwide in the past, especially in the tropical monsoon region, a new study shows. An international team of scientists used dripstones from globally distributed caves together with model simulations to analyze the global impacts of rapid Northern-Hemisphere temperature increases, the widely studied Dansgaard-Oeschger events, that repeatedly occurred during the last ice age. The comparison of stalagmite and model data shows in unprecedented detail how these abrupt changes and the associated modifications of the Atlantic overturning circulation, AMOC for short, have affected global atmospheric circulation.

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Tiny, shape-shifting robot can squish itself into tight spaces

Imagine a robot that can wedge itself through the cracks in rubble to search for survivors trapped in the wreckage of a collapsed building. Engineers are working toward to that goal with CLARI, short for Compliant Legged Articulated Robotic Insect.

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Bat study reveals how the brain is wired for collective behavior

Researchers used wireless neural recording and imaging devices to 'listen in' on the hippocampal brain activity of groups of Egyptian fruit bats as they flew freely within a large flight room. The researchers were surprised to find that, in this social setting, the bat's 'place' neurons encoded not only the animal's location, but also information about the presence or absence of other bats, and even the identity of bats in their path.

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Tuesday 29 August 2023

Can an artificial kidney finally free patients from dialysis?

Scientists are working on a new approach to treating kidney failure that could one day free people from needing dialysis or having to take harsh drugs to suppress their immune system after a transplant.

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Common origin behind major childhood allergies

Several major childhood allergies may all stem from the community of bacteria living in our gut, according to a new study. The research identifies gut microbiome features and early life influences that are associated with children developing any of four common allergies -- eczema, asthma, food allergy and/or hay fever. The findings could lead to methods of predicting whether a child will develop allergies, and ways to prevent them from developing at all.

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Three-eyed distant relative of insects and crustaceans reveals amazing detail of early animal evolution

Scientists use cutting edge scanning technology to reconstruct 'fossil monster' that lived half a billion years ago. The creature's soft anatomy was well-preserved, allowing it to be imaged almost completely: It fills a gap in our understanding of the evolution of arthropods such as insects and crustaceans.

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Quantum discovery offers glimpse into other-worldly realm

Experiments promote a curious flipside of decaying monopoles: A reality where particle physics is quite literally turned on its head

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Australian woman found with parasitic roundworm in her brain caught from carpet python

The world's first case of a new parasitic infection in humans has been discovered by researchers who detected a live eight-centimeter roundworm from a carpet python in the brain of a 64- year-old Australian woman.

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Monday 28 August 2023

The physics of fat droplets reveal DNA danger

Researchers have looked beyond biochemistry to publish groundbreaking work on the physics of fat droplets found inside many types of cells, revealing them to be a potential threat to a cell's nucleus.They have discovered fat-filled lipid droplets' surprising capability to indent and puncture the nucleus, the organelle which contains and regulates a cell's DNA. The stakes of their findings are high: a ruptured nucleus can lead to elevated DNA damage that is characteristic of many diseases, including cancer.

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Making the invisible, visible: New method makes mid-infrared light detectable at room temperature

Scientists have developed a new method for detecting mid-infrared (MIR) light at room temperature using quantum systems.

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Researcher finds inspiration from spider webs and beetles to harvest fresh water from thin air

A team of researchers is designing novel systems to capture water vapor in the air and turn it into liquid. They have developed sponges or membranes with a large surface area that continually capture moisture from their surrounding environment.

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Friday 25 August 2023

Cluster of slightly unhealthy traits linked with earlier heart attack and stroke

Middle-aged adults with three or more unhealthy traits including slightly high waist circumference, blood pressure, cholesterol and glucose have heart attacks and strokes two years earlier than their peers, according to new research.

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Scientists invent micrometers-thin battery charged by saline solution that could power smart contact lenses

Scientists have developed a flexible battery as thin as a human cornea, which stores electricity when it is immersed in saline solution, and which could one day power smart contact lenses.

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New study finds ways to suppress lithium plating in automotive batteries for faster charging electric vehicles

A new study has found a way to prevent lithium plating in electric vehicle batteries, which could lead to faster charging times.

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Thursday 24 August 2023

Barnacles may help reveal location of lost Malaysia Airlines flight MH370

Geoscientists have created a new method that can reconstruct the drift path and origin of debris from flight MH370, an aircraft that went missing over the Indian Ocean in 2014 with 239 passengers and crew. 

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2023 Global Heat Wave: July brought the hottest three weeks observed so far

The first three weeks of July 2023 have been the hottest global three-week period so far. Researchers report that the European population's exposure to heat was highest in Italy.

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Cells with an ear for music release insulin

Researchers are pursuing various solutions for administering insulin to those with Diabetes. One such solution is to enclose insulin-producing designer cells in capsules that can be implanted in the body and triggered externally. Researchers have discovered a novel stimulation method using music to trigger cells to release insulin. Their solution works especially well with 'We Will Rock You' from the British rock band, Queen.

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Wednesday 23 August 2023

Planning algorithm enables high-performance flight

New algorithms for trajectory planning and control of fixed-wing 'tailsitter' aircraft are faster and more efficient than traditional quadcopter drones. The algorithms can execute challenging maneuvers and are so efficient they can plan complex trajectories in real-time.

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Graphene discovery could help generate hydrogen cheaply and sustainably

Researchers have finally solved the long-standing puzzle of why graphene is so much more permeable to protons than expected by theory.

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Tuesday 22 August 2023

Researchers extract ancient DNA from a 2,900-year-old clay brick, revealing a time capsule of plant life

For the first time, a group of researchers have successfully extracted ancient DNA from a 2,900-year-old clay brick. The analysis provides a fascinating insight into the diversity of plant species cultivated at that time and place, and could open the way to similar studies on clay material from other sites and time periods.

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Formerly depressed patients continue to focus on negative

People who have recovered from a major depressive episode, when compared with individuals who have never experienced one, tend to spend more time processing negative information and less time processing positive information, putting them at risk for a relapse, according to new research.

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This fish doesn't just see with its eyes -- it also sees with its skin

Without a mirror, it can be hard to tell if you're blushing, or have spinach in your teeth. But one color-changing fish has evolved a clever way to keep watch on the parts of itself that lie outside its field of view -- by sensing light with its skin.

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Silicon-perovskite tandem cells with a whooping 32.5 per cent efficiency

29, 30, 32... -- these are not random numbers, but the efficiency of solar cells, measured by the percentage of incidental sunlight they convert into electrical power. The ellipsis at the end of the line is also not a coincidence, as the efficiency of tandem solar cells has already exceeded 32%.

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Optical Illusion: बहुत कम ही लोग पूरा कर पाए हैं यह चैलेंज, क्या आपमें है वह बात?

Optical Illusion नजर और दिमाग के बीच तालमेल बिठाना चाहते हैं तो उसके लिए ऑप्टिकल इल्यूजन एक मजेदार तरीका है। यह आपकी क्षमता को जांचने में भी मदद करता है। इसे सॉल्व करते हुए माइंड क्रिएटिव और शार्प बनता है। ऐसे में हर रोज इसे सॉल्व करने से दिमाग की नई-नई चीजें सोचने की क्षमता बढ़ती है। आइये देखते हैं कि आज के ऑप्टिकल इल्यूजन चैलेंज में क्या है।

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Monday 21 August 2023

Thinning ice sheets may drive sharp rise in subglacial waters

A new study shows that water underneath glaciers may surge due to thinning ice sheets -- a dangerous feedback cycle that could increase glacial melt, sea level rise, and biological disturbances.

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