How caloric restriction prevents negative effects of aging in cells

A new study provides the most detailed report to date of the cellular effects of a calorie-restricted diet in rats. While the benefits of caloric restriction have long been known, the new results show how this restriction can protect against aging in cellular pathways.

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Antarctic ice walls protect the climate

Inland Antarctic ice contains volumes of water that can raise global sea levels by several meters. A new study shows that glacier ice walls are vital for the climate, as they prevent rising ocean temperatures and melting glacier ice.

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Astronomers detect biggest explosion in the history of the Universe

Scientists studying a distant galaxy cluster have discovered the biggest explosion seen in the Universe since the Big Bang. The blast came from a supermassive black hole at the centre of a galaxy hundreds of millions of light-years away. It released five times more energy than the previous record holder.

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वैज्ञानिकों का अनोखा अविष्कार, अब रोबोट में भी होगा इंसानी जज्बात

बता दें कि इस अद्भुत रोबोट को पहली बार साल 2011 में प्रदर्शित किया गया था जिसके बाद 2018 में इसमें कई बदलाव किए गए।

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Large exoplanet could have the right conditions for life

Astronomers have found an exoplanet more than twice the size of Earth to be potentially habitable, opening the search for life to planets significantly larger than Earth but smaller than Neptune.

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The force is strong in neutron stars

A new study identifies a transition in the strong nuclear force that illuminates the structure of a neutron star's core.

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Ancient meteorite site on Earth could reveal new clues about Mars' past

Scientists have devised new analytical tools to break down the enigmatic history of Mars' atmosphere -- and whether life was once possible there. It could help astrobiologists understand the alkalinity, pH and nitrogen content of ancient waters on Mars, and by extension, the carbon dioxide composition of the planet's ancient atmosphere.

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New study allows brain and artificial neurons to link up over the web

Research on novel nanoelectronics devices has enabled brain neurons and artificial neurons to communicate with each other over the Internet.

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How resident microbes restructure body chemistry

A comparison of normal and germ-free mice revealed that as much as 70 percent of a mouse's gut chemistry is determined by its gut microbiome. Even in distant organs, such as the uterus or the brain, approximately 20 percent of molecules were different in the mice with gut microbes.

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Future Technology: देखते ही देखते पल भर में कैसे गायब हो गई युवती, देखें वायरल वीडियो

Future Technology सोशल मीडिया में एक वीडियो वायरल हो रहा है जिसमें एक युवती पल भर में आंखों के सामने से ओझल हो जाती है जो विज्ञान का एक चमत्कार है।

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Unique non-oxygen breathing animal discovered

Scientists have discovered a new non-oxygen breathing animal. The tiny, less than 10-celled parasite demonstrates that evolution can go in strange directions, the researchers say.

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CRISPR gene cuts may offer new way to chart human genome

In search of new ways to sequence human genomes and read critical alterations in DNA, researchers say they have successfully used the gene cutting tool CRISPR to make cuts in DNA around lengthy tumor genes, which can be used to collect sequence information.

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शिमला की इस जगह पर है भूत का साया, जानिए इसकी पूरी कहानी

बात 1898 की है। जब ब्रितानी हुकूमत शिमला में अपना सराय बनाना चाहती थी। इसके लिए उन्होंने शिमला के विकास की एक योजना रखी। इस विकास योजना में शिमला-कालका रेलवे लाइन भी था।

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Lake Kaindy: दुनिया का सबसे अजूबा झील, जहां पेड़ पानी में उल्टे उगते हैं!

Lake Kaindy Kazakhstan दोस्तो हम आपको एक ऐसी झील के बारे में बताने जा रहे हैं जहां पेड़ जमीन पर नहीं बल्कि पानी में उगते हैं वह भी उल्टे! कजाकिस्तान स्थित लेक कैंडी

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Old carbon reservoirs unlikely to cause massive greenhouse gas release, study finds

As global temperatures rise, permafrost and methane hydrates -- large reservoirs of ancient carbon -- have the potential to break down, releasing enormous quantities of the potent greenhouse gas methane. But would this methane actually reach the atmosphere? Researchers found that even if methane is released from these natural stores in response to warming, very little reaches the atmosphere; therefore, anthropogenic emissions should be more concerning than these natural feedbacks.

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A year of surprising science from NASA's InSight Mars mission

A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander mission. Findings described in a set of six papers reveal a planet alive with quakes, dust devils and strange magnetic pulses.

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Magnetic field at Martian surface ten times stronger than expected

New data gleaned from the magnetic sensor aboard NASA's InSight spacecraft is offering an unprecedented close-up of magnetic fields on Mars.

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Artificial intelligence yields new antibiotic

Using a machine-learning algorithm, researchers have identified a powerful new antibiotic compound. In laboratory tests, the drug killed many of the world's most problematic disease-causing bacteria, including some strains that are resistant to all known antibiotics. It also cleared infections in two different mouse models.

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Bumble bees can experience an object using one sense and later recognize it using another

The ability to recognize objects across different senses is present in the tiny brains of an insect, researchers have discovered.

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Earliest interbreeding event between ancient human populations discovered

A new study documented the earliest known interbreeding event between ancient human populations -- a group known as the 'super-archaics' in Eurasia interbred with a Neanderthal-Denisovan ancestor about 700,000 years ago. The event was between two populations more distantly related than any other recorded. The authors proposed a revised timeline for human migration out of Africa and into Eurasia. The method for analyzing ancient DNA provides a new way to look farther back into the human lineage.

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Origins of immune system mapped, opening doors for new cancer immunotherapies

A first cell atlas of the human thymus gland could lead to new immune therapies to treat cancer and autoimmune diseases. Researchers mapped thymus tissue through the human lifespan to understand how it develops and makes vital immune cells called T cells. In the future, this information could help researchers to generate an artificial thymus and engineer improved therapeutic T cells.

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How newborn stars prepare for the birth of planets

Astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion Clouds. These images reveal new details about the birthplaces of planets and the earliest stages of star formation.

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Earth formed much faster than previously thought, new study shows

By measuring iron isotopes, researchers have shown that our planet originally formed much faster than previously thought. This finding provides new insights on both planetary formation and the likelihood of water and life elsewhere in the universe.

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Earthquakes disrupt sperm whales' ability to find food

Scientists studying sperm whales have discovered earthquakes affect their ability to find food for at least a year. The research is among the first to examine the impact of a large earthquake on a population of marine mammals, and offers new insight into how top predators such as sperm whales react and adapt to a large-scale natural disturbance.

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Methane emitted by humans vastly underestimated

Researchers measured methane levels in ancient air samples and found that scientists have been vastly underestimating the amount of methane humans are emitting into the atmosphere via fossil fuels. The researchers indicate that reducing fossil fuel use is a key target in curbing climate change.

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Think all BPA-free products are safe? Not so fast, scientists warn

Using 'BPA-free' plastic products could be as harmful to human health -- including a developing brain -- as those products that contain the controversial chemical, suggest scientists.

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Empathy can be detected in people whose brains are at rest

Researchers have found that it is possible to assess a person's ability to feel empathy by studying their brain activity while they are resting rather than while they are engaged in specific tasks.

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Simple, fuel-efficient rocket engine could enable cheaper, lighter spacecraft

Researchers have developed a mathematical model that describes how rotating detonation engines work.

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Warming, acidic oceans may nearly eliminate coral reef habitats by 2100

Rising sea surface temperatures and acidic waters could eliminate nearly all existing coral reef habitats by 2100, suggesting restoration projects in these areas will likely meet serious challenges, according to new research.

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Artificial intelligence finds disease-related genes

An artificial neural network can reveal patterns in huge amounts of gene expression data, and discover groups of disease-related genes. Scientists hope that the new method can eventually be applied within precision medicine and individualized treatment.

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Reproductive genome from the laboratory

Researchers have for the first time developed a genome the size of a minimal cell that can copy itself.

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Researchers Were Not Right About Left Brains, Study Suggests

Brain imprints on cranial bones from great apes and humans refute the long-held notion that the human pattern of brain asymmetry is unique, according to new research.

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ESO telescope sees surface of dim Betelgeuse

Using ESO's Very Large Telescope (VLT), astronomers have captured the unprecedented dimming of Betelgeuse, a red supergiant star in the constellation of Orion. The stunning new images of the star's surface show not only the fading red supergiant but also how its apparent shape is changing.

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Discovery at 'flower burial' site could unravel mystery of Neanderthal death rites

The first articulated Neanderthal skeleton to come out of the ground for over 20 years has been unearthed at one of the most important sites of mid-20th century archaeology: Shanidar Cave, in the foothills of Iraqi Kurdistan.

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Seeding oceans with iron may not impact climate change

A new study suggests that iron fertilization may not have a significant impact on phytoplankton growth, at least on a global scale.

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New technologies, strategies expanding search for extraterrestrial life

New technologies that enable new strategies are revitalizing the Search for Extraterrestrial Intelligence (SETI), by not only augmenting the traditional search for intelligently generated radio signals but also allowing searches for other signs of life and technological activity.

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Train Stunt Video: चलती ट्रेन पर स्टंट करना पड़ गया भारी, दे गया जिंदगी भर की सीख

Train Stunt Video चलती ट्रेन पर स्टंट करने का वीडियो आपने कई बार देखा है। एक बार फिर ऐसा ही एक वीडियो सोशल मीडिया में वायरल हो रहा है।

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New Horizons team uncovers a critical piece of the planetary formation puzzle

Data from NASA's New Horizons mission are providing new insights into how planets and planetesimals -- the building blocks of the planets -- were formed.

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Disappearing snakes and the biodiversity crisis

A new study should sound alarm bells regarding the 'biodiversity crisis' or the loss of wildlife around the world.

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New study shows Deepwater Horizon oil spill larger than previously thought

Toxic and invisible oil spread well beyond the known satellite footprint of the Deepwater Horizon oil spill, according to a new study. These new findings have important implications for environmental health during future oil spills.

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Scientists find ally in fight against brain tumors: Ebola

Glioblastomas are relentless, hard-to-treat, and often lethal brain tumors. Scientists have enlisted a most unlikely ally in efforts to treat this form of cancer -- elements of the Ebola virus.

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Mars: Simulations of early impacts produce a mixed Mars mantle

The early solar system was a chaotic place, with evidence indicating that Mars was likely struck by planetesimals, small protoplanets up to 1,200 miles in diameter, early in its history. Scientists modeled the mixing of materials associated with these impacts, revealing that the Red Planet may have formed over a longer timescale than previously thought.

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Huge bacteria-eating viruses close gap between life and non-life

Bacterial viruses, called bacteriophages, are simple genetic machines, relying on their bacterial hosts to replicate and spread. But scientists have found hundreds of huge phages that carry a slew of bacterial proteins that the phages evidently use to more efficiently manipulate their microbial hosts. These proteins include those involved with ribosomal production of proteins and the CRISPR bacterial immune system, as if the phages are a hybrid between living microbes and viral machines.

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Antibiotics discovered that kill bacteria in a new way

A new group of antibiotics with a unique approach to attacking bacteria has been discovered, making it a promising clinical candidate in the fight against antimicrobial resistance.

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Researchers stimulate areas vital to consciousness in monkeys' brains -- and it wakes them up

One of the central questions in neuroscience is clarifying where in the brain consciousness, which is the ability to experience internal and external sensations, arises. Researchers report that a specific area in the brain, the central lateral thalamus, appears to play a key role. In monkeys under anesthesia, stimulating this area was enough to wake the animals and elicit normal waking behaviors.

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Using sound and light to generate ultra-fast data transfer

Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second -- around one thousand times quicker than a fast Ethernet operating at 100 megabits a second.

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New 'universal' target for antiviral treatment

Researchers have uncovered a novel potential antiviral drug target that could lead to treatments protecting against a host of infectious diseases.

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Scientists reverse reproductive clock in mice

Researchers have lifted fertility rates in older female mice with small doses of a metabolic compound that reverses the aging process in eggs, offering hope for some women struggling to conceive.

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केरल का दिहाड़ी मजदूर रातों रात बन गया करोड़पति, मिले 12 करोड़ रुपए

कन्नूर के मालुर ग्राम पंचायत के कुरिचिया समुदाय से संबंध रखने वाले पी राजन ने लॉटरी में 12 करोड़ रुपए जीते हैं।

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सोशल मीडिया में वायरल हो रही है इस घड़ियाल की फोटो, वजह दिल को छू जाएगा

Photo of Father Gharial सोशल मीडिया में इन दिनों एक घड़ियाल का फोटो वायरल हो रहा है जो चर्चा का विषय बना हुआ है।

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Simple, solar-powered water desalination

A completely passive solar-powered desalination system could provide more than 1.5 gallons of fresh drinking water per hour for every square meter of solar collecting area. Such systems could potentially serve off-grid arid coastal areas to provide an efficient, low-cost water source.

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'Rule breaking' plants may be climate change survivors

Plants that break some of the 'rules' of ecology by adapting in unconventional ways may have a higher chance of surviving climate change, according to researchers.

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One small grain of moon dust, one giant leap for lunar studies

Scientists have found a new way to analyze the chemistry of the moon's soil using a single grain of dust brought back by Apollo 17 astronauts in 1972. Their technique can help us learn more about conditions on the surface of the moon and formation of precious resources like water and helium there.

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Molecular 'switch' reverses chronic inflammation and aging

Scientists have identified a molecular 'switch' that controls the immune machinery responsible for chronic inflammation in the body. The finding could lead to new ways to halt or even reverse many age-related conditions, from from Alzheimer's and Parkinson's to diabetes and cancer.

from All Top News -- ScienceDaily https://ift.tt/2UCQIOe

Normal resting heart rate appears to vary widely from person to person

A person's normal resting heart rate is fairly consistent over time, but may vary from others' by up to 70 beats per minute, according to analysis of the largest dataset of daily resting heart rate ever collected.

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Bumblebees carry heavy loads in economy mode

Bumblebees are the big lifters of the insect world, able to fly back to the hive with almost their own bodyweight in nectar on board. A new study shows how they do it -- and that bees can show more flexibility in behavior than you might expect from a bumbling insect.

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New droplet-based electricity generator: A drop of water generates 140V power, lighting up 100 LED bulbs

Generating electricity from raindrops efficiently has gone one step further. A research team has recently developed a droplet-based electricity generator (DEG), featured with a field-effect transistor (FET)-like structure that allows for high energy-conversion efficiency and instantaneous power density increased by thousands times compared to its counterparts without FET-like structure. This would help to advance scientific research of water energy generation and tackle the energy crisis.

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Cancer-causing culprits will be caught by their DNA fingerprints

Causes of cancer are being catalogued by a huge international study revealing the genetic fingerprints of DNA-damaging processes that drive cancer development. This detailed list of genetic fingerprints will provide clues how each cancer developed. This will help scientists search for previously unknown causes of cancer, leading to better information for prevention strategies, and help signpost new directions for cancer diagnosis and treatments.

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105 साल की उम्र में महिला ने दिए 4th क्लास के एग्जाम,74.5% मार्क्स किए स्कोर

कहते हैं कि पढ़ने-लिखने की कोई उम्र नहीं होती। इस बात को सच साबित कर दिखाया है कि केरल से ताल्लुक रखने वाली 105 साल की बुर्जुग महिला ने।

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Controlling light with light

Researchers have developed a new platform for all-optical computing, meaning computations done solely with beams of light.

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Astronomers discover unusual monster galaxy in the very early universe

Astronomers have found an unusual monster galaxy that existed about 12 billion years ago, when the universe was only 1.8 billion years old. Dubbed XMM-2599, the galaxy formed stars at a high rate and then died.

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Genome stability: Intricate process of DNA repair discovered

An elaborate system of filaments, liquid droplet dynamics and protein connectors enables the repair of some damaged DNA in the nuclei of cells, researchers have found. The findings further challenge the belief that broken DNA floats aimlessly -- and highlight the value of cross-disciplinary research in biology and physics.

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Scientists unravel mystery of photosynthesis

Scientists have solved a critical part of the mystery of photosynthesis, focusing on the initial, ultrafast events through which photosynthetic proteins capture light and use it to initiate a series of electron transfer reactions.

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Pluto's icy heart makes winds blow

A 'beating heart' of frozen nitrogen controls Pluto's winds and may give rise to features on its surface, according to a new study.

from All Top News -- ScienceDaily https://ift.tt/37YXBNW

First childhood flu helps explain why virus hits some people harder than others

Why are some people better able to fight off the flu than others? Part of the answer, according to a new study, is related to the first flu strain we encounter in childhood.

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Sand dunes can 'communicate' with each other

Even though they are inanimate objects, sand dunes can 'communicate' with each other. A team from the University of Cambridge has found that as they move, sand dunes interact with and repel their downstream neighbors.

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'Parentese' helps parents, babies make 'conversation' and boosts language development

A new study finds the value of using 'parentese,' an exaggerated speaking style that conveys total engagement with a child.

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Grey seals discovered clapping underwater to communicate

Wild grey seals can clap their flippers underwater during breeding season.

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Low-energy solar particles from beyond Earth found near the Sun

Scientists have identified low-energy particles lurking near the Sun that likely originated from solar wind interactions well beyond Earth orbit. NASA's Parker Solar Probe is venturing closer to the Sun than any previous probe. Scientists are probing the enigmatic features of the Sun to answer many questions, including how to protect space travelers and technology from the radiation associated with solar events.

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Eating red meat and processed meat hikes heart disease and death risk, study finds

A large study links red and processed meat with higher risk of heart disease and death. Eating two servings of red meat, processed meat or poultry -- but not fish -- per week was linked to a 3 to 7 percent higher risk of cardiovascular disease. Eating two servings of red meat or processed meat -- but not poultry or fish -- per week was associated with a 3 percent higher risk of all causes of death.

from All Top News -- ScienceDaily https://ift.tt/2OjcS4n

Scientists find record warm water in Antarctica, pointing to cause behind troubling glacier melt

A team of scientists has observed, for the first time, the presence of warm water at a vital point underneath a glacier in Antarctica -- an alarming discovery that points to the cause behind the gradual melting of this ice shelf while also raising concerns about sea-level rise around the globe.

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Red alert as Arctic lands grow greener

New research techniques are being adopted by scientists tackling the most visible impact of climate change -- the so-called greening of Arctic regions. The latest drone and satellite technology is helping an international team of researchers better understand how the vast, treeless regions called the tundra is becoming greener.

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इस देश में 10 हजार लोगों ने सरकार से मांगी इच्छा मृत्यु, रिसर्च में सामने आई हैरान करने वाली वजह

कौन नहीं चाहता है कि वह एक अच्छी और लंबी जिंदगी गुजारे। गंभीर बीमारी से पीड़ित लोगों को अगर छोड़ दें तो आमतौर पर सभी लोग चाहते हैं कि वे जिंदगी को भरपूर जिएं।

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