A face for Lucy's ancestor

Researchers have discovered a remarkably complete 3.8-million-year-old cranium of Australopithecus anamensis at Woranso-Mille in Ethiopia. The 3.8 million-year-old fossil cranium represents a time interval between 4.1 and 3.6 million years ago.

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Prehistoric puma feces reveals oldest parasite DNA ever recorded

The oldest parasite DNA ever recorded has been found in the ancient, desiccated feces of a puma.

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Physicists mash quantum and gravity and find time, but not as we know it

Researchers say they have discovered 'a new kind of quantum time order'. The discovery arose from an experiment the team designed to bring together elements of the two big -- but contradictory -- physics theories developed in the past century.

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Viral Video: इन दो स्कूली बच्चों ने चलते-चलते दिखाई ऐसी करतब, केंद्रीय मंत्री भी हो गए मुरीद

इन दो स्कूली बच्चों ने चलते चलते कुछ ऐसा किया जिसकी सोशल मीडिया में काफी तारीफ हो रही है। आम जन ही नहीं केंद्रीय मंत्री तक उनकी प्रतिभा की तारीफ कर चुके हैं।

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राजस्थान का अनोखा परिवार, जो मिट्टी को 'सोना' बनाकर बेचता है

राजस्थान के बिकानेर जिले में एक गांव है विशाला जहां का एक परिवार मिट्टी को सोना बनाता है। आपको यह बात थोड़ी अटपटी और हैरतअंगेज लग रही होगी...

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Big brains or big guts: Choose one

A global study comparing 2,062 birds finds that, in highly variable environments, birds tend to have either larger or smaller brains relative to their body size. Birds with smaller brains tend to use ecological strategies that are not available to big-brained counterparts.

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A novel technology for genome-editing a broad range of mutations in live organisms

Researchers have developed a new tool -- dubbed SATI -- to edit the mouse genome, enabling the team to target a broad range of mutations and cell types. The new genome-editing technology could be expanded for use in a broad range of gene mutation conditions such as Huntington's disease and the rare premature aging syndrome, progeria.

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How microbes generate and use their energy to grow

Researchers have shed light on how bacteria and baker's yeast generate and use their energy to grow. Knowing about cells' energy use is essential for industrial biotech processes.

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How memories form and fade

Researchers have identified the neural processes that make some memories fade rapidly while other memories persist over time.

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Tech time not to blame for teens' mental health problems

A new study suggests that the time adolescents are spending on their phones and online is not that bad. The study tracked young adolescents on their smartphones to test whether more time spent using digital technology was linked to worse mental health outcomes.

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Scratching the surface of how your brain senses an itch

Light touch plays a critical role in everyday tasks, such as picking up a glass or playing a musical instrument, as well as for detecting the touch of, say, biting insects. Researchers have discovered how neurons in the spinal cord help transmit such itch signals to the brain. The findings could help contribute to a better understanding of itch and could lead to new drugs to treat chronic itch, which occurs in such conditions as eczema, diabetes and even some cancers.

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Scorpion toxin that targets 'wasabi receptor' may help solve mystery of chronic pain

Researchers have discovered a scorpion toxin that targets the 'wasabi receptor,' a chemical-sensing protein found in nerve cells that's responsible for the sinus-jolting sting of wasabi. Because the toxin triggers a pain response, scientists think it can be used as a tool for studying chronic pain and inflammation, and may eventually lead to the development of new kinds of non-opioid pain relievers.

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Storms on Jupiter are disturbing the planet's colorful belts

Coordinated observations of Jupiter in early 2017 by six ground-based telescopes and Hubble allowed astronomers to study the evolution of bright plumes and connect them with cloud movements deep in the planet. They show that these plumes originate 80 kilometers below the surface cloud deck and rise up quickly into the stratosphere, where supercooled ammonia freezes to form ammonia ice clouds. The plumes create disturbances in the belts and even change their color.

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Australian men's life expectancy tops other men's

Australian men are now living longer than any other group of males in the world, according to new research.

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जवाब नहीं मिलने से गुस्सा हुआ बॉयफ्रेंड, प्रेमिका के साथ किया ऐसा सलूक

अमेरिका के फ्लोरिडा का रहने वाला एक युवक अपनी प्रेमिका से इस कदर गुस्सा हुआ कि उसने उसकी कार पर मिट्टी उड़ेल दी जिससे कार की छत ढक गई और काफी मिट्टी कार के अंदर भी घुस गई।

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Is it autism? The line is getting increasingly blurry

If the current trend in diagnostic practices holds, the definition of autism may get too blurry to be meaningful, a research team finds.

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280 किमी की रफ्तार से चलाई साइकिल, और बना दिया नया कीर्तिमान

सबसे बड़ा सवाल है कि क्या आप इतनी रफ्तार से साइकिल चला सकते हैं? अमूमन ऐसा संभव नहीं है कि कोई इतनी रफ्तार से साइकिल चला पाए लेकिन इसे संभव कर दिखाया है इंग्लैंड के नेल कैम्पबेल

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Stardust in the Antarctic snow

The rare isotope iron-60 is created in massive stellar explosions. Only a very small amount of this isotope reaches the earth from distant stars. Now, a research team has discovered iron-60 in Antarctic snow for the first time. The scientists suggest that the iron isotope comes from the interstellar neighborhood.

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Hurricanes drive the evolution of more aggressive spiders

Researchers who rush in after storms to study the behavior of spiders have found that extreme weather events such as tropical cyclones may have an evolutionary impact on populations living in storm-prone regions, where aggressive spiders have the best odds of survival.

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Roadmap for detecting changes in ocean due to climate change

When will we see significant changes in the ocean due to climate change? A new study finds that some changes are noticeable already, while others will take up to a century.

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Humans migrated to Mongolia much earlier than previously believed

Stone tools uncovered in Mongolia by an international team of archaeologists indicate that modern humans traveled across the Eurasian steppe about 45,000 years ago.

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How E. coli knows how to cause the worst possible infection

The discovery could one day let doctors prevent the infection by allowing E. coli to pass harmlessly through the body.

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OMG! फेंस पर चढ़कर मिलिट्री बेस में घुसा घड़ियाल, वीडियो वायरल

अमेरिका के फ्लोरिडा में एक मिलिट्री बेस की सुरक्षा में सेंध लग गई। सेंध लगाया है एक भारीभरकम घड़ियाल ने।

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Fracking prompts global spike in atmospheric methane, study suggests

As methane concentrations increase in the Earth's atmosphere, chemical fingerprints point to a probable source: shale oil and gas, according to new research.

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Fluorescent glow may reveal hidden life in the cosmos

Astronomers have uncovered a new way of searching for life in the cosmos. Harsh ultraviolet radiation flares from red suns, once thought to destroy surface life on planets, might help uncover hidden biospheres. Their radiation could trigger a protective glow from life on exoplanets called biofluorescence, according to new research.

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Best of both worlds: Asteroids and massive mergers

Researchers are using the Catalina Sky Survey's near-Earth object telescopes to locate the optical counterparts to gravitational waves triggered by massive mergers.

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Heat shield just 10 atoms thick to protect electronic devices

Atomically thin materials could create heat-shields for cell phones or laptops that would protect people and temperature-sensitive components and make future electronic gadgets even more compact.

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Materials that can revolutionize how light is harnessed for solar energy

Scientists have designed organic molecules capable of generating two excitons per photon of light, a process called singlet fission. The excitons can live for much longer than those generated from their inorganic counterparts, which leads to an amplification of electricity generated per photon that is absorbed by a solar cell.

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Biochemists discover new insights into what may go awry in brains of Alzheimer's patients

Three decades of research on Alzheimer's disease have not produced major treatment advances for patients. Researchers now report new insights that may lead to progress in fighting the devastating disease. They discovered beta amyloid has a specific amino acid that can form a kink, like a kink in a garden hose, creating a harmful molecular zipper and leading to the death of neurons.

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Optic nerve stimulation to aid the blind

Scientists are investigating new ways to provide visual signals to the blind by directly stimulating the optic nerve. Their preliminary study uses a new type of neural electrode and provides distinct signals.

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Type of brain cell involved in stuttering identified

Researchers believe that stuttering -- a potentially lifelong and debilitating speech disorder -- stems from problems with the circuits in the brain that control speech, but precisely how and where these problems occur is unknown. Using a mouse model of stuttering, scientists report that a loss of cells in the brain called astrocytes are associated with stuttering. The mice had been engineered with a human gene mutation previously linked to stuttering. The study offers insights into the neurological deficits associated with stuttering.

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Insomnia tied to higher risk of heart disease and stroke

Data from more than a million people found that genetic liability to insomnia may increase the risk of coronary artery disease, heart failure and stroke. Among types of ischemic stroke, genetic liability to insomnia was primarily associated with an increased risk of large artery stroke.

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New molecule could help improve heart attack recovery

Reparative medicine scientists have discovered a new compound that could shield heart tissue before a heart attack, as well as preserve healthy cells when administered after a heart attack.

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Shedding light on how the human eye perceives brightness

Scientists are shedding new light on the importance of light-sensing cells in the retina that process visual information. The researchers isolated the functions of melanopsin cells and demonstrated their crucial role in the perception of visual environment. This ushers in a new understanding of the biology of the eye and how visual information is processed.

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Wearable sensors detect what's in your sweat

A team of scientists is developing wearable skin sensors that can detect what's in your sweat. In a new article, the team describes a sensor design that can be rapidly manufactured using a 'roll-to-roll' processing technique that essentially prints the sensors onto a sheet of plastic like words on a newspaper. The sensors can provide real-time measurements of sweat rate, and electrolytes and metabolites in sweat.

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हैरतअंगेज! किसी के पेट से निकली डेढ़ किलो जूलरी, तो किसी के पेट से 3.5 किलो लोहा

पिछले एक महीने में चौंकाने वाली दो खबरें सामने आई हैं। सबसे पहले जुलाई माह के अंतिम सप्ताह में एक महिला के पेट से डेढ़ किलो जूलरी निकलने का मामला सामने आया था।

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July 2019 was hottest month on record for the planet

Much of the planet sweltered in unprecedented heat in July, as temperatures soared to new heights in the hottest month ever recorded. The record warmth also shrank Arctic and Antarctic sea ice to historic lows.

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Moon glows brighter than sun in images from NASA's Fermi

If our eyes could see gamma rays, the Moon would appear brighter than the Sun! That's how NASA's Fermi Gamma-ray Space Telescope has seen our neighbor in space for the past decade.

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New study shows how autism can be measured through a non-verbal marker

Researchers have identified a non-verbal, neural marker of autism. This marker shows that individuals with autism are slower to dampen neural activity in response to visual signals in the brain. This first-of-its kind marker was found to be independent of intelligence and offers an objective way to potentially diagnose autism in the future.

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Young Jupiter was smacked head-on by massive newborn planet

A colossal, head-on collision between Jupiter and a still-forming planet in the early solar system, about 4.5 billion years ago, could explain surprising readings from NASA's Juno spacecraft, according to a new study.

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Brain molecule identified as key in anxiety model

Boosting a single molecule in the brain can change 'dispositional anxiety,' the tendency to perceive many situations as threatening, in nonhuman primates, researchers have found. The molecule, neurotrophin-3, stimulates neurons to grow and make new connections.

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How many Earth-like planets are around sun-like stars?

A new study provides the most accurate estimate of the frequency that planets that are similar to Earth in size and in distance from their host star occur around stars similar to our Sun.

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Microplastic drifting down with the snow

Over the past several years, microplastic particles have repeatedly been detected in sea-water, drinking water, and even in animals. But these minute particles are also transported by the atmosphere and subsequently washed out of the air, especially by snow -- and even in such remote regions as the Arctic and Alps.

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बुजुर्ग की ‘बत्तीसी’ हुई गायब, 8 दिन बाद गले के दर्द से सुलझी गुत्थी

एक बुजुर्ग के कृत्रिम दांत अचानक गायब हो गए। इस बात का पता 8 दिनों के बाद चला जब उसके गले में हो रहे दर्द के कारणों का पता लगाया गया।

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Flavonoid-rich diet protects against cancer and heart disease, study finds

Consuming flavonoid-rich items such as apples and tea protects against cancer and heart disease, particularly for smokers and heavy drinkers, according to new research.

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Near-Earth asteroid 2006 QV89 not a threat for next century

Observations of the near-Earth asteroid 2006 QV89 made on August 11, 2019 with the Canada-France-Hawaii Telescope (CFHT) have ruled out any potential future impact threat to the Earth by this asteroid for the next century.

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Schrödinger's cat with 20 qubits

Dead or alive, left-spinning or right-spinning -- in the quantum world particles such as the famous analogy of Schrödinger's cat can be all these things at the same time. An international team, together with experts from Forschungszentrum Jülich, have now succeeded in transforming 20 entangled quantum bits into such a state of superposition. The generation of such atomic Schrödinger cat states is regarded as an important step in the development of quantum computers.

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Jurassic world of volcanoes found in central Australia

Subsurface explorers have uncovered a previously undescribed 'Jurassic World' of around 100 ancient volcanoes buried deep within the Cooper-Eromanga Basins of central Australia.

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Icebergs delay Southern Hemisphere future warming, study shows

Future warming can accelerate the disintegration of the West Antarctic ice sheet. A large fraction of the ice will enter the Southern Ocean in form of icebergs, which melt and provide a cooling and freshening effect to the warmer and denser ocean water. This process will increase the formation of sea-ice and shift winds and ocean currents. The overall effect is a slowdown in the magnitude of human-induced Southern Hemispheric warming and sea-level rise, according to a new study.

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First cells may have emerged because building blocks of proteins stabilized membranes

Scientists have discovered that the building blocks of proteins can stabilize cell membranes. This finding may explain how the first cells emerged from the primordial soup billions of years ago: The protein building blocks could have stabilized cell membranes against salt and ions that were present in ancient oceans. In addition, membranes may have been a site for these precursor molecules to co-localize, a potential mechanism to explain what brought together the ingredients for life.

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Gut-brain connection helps explain how overeating leads to obesity

A multi-institutional team reveals a previously unknown gut-brain connection that helps explain how those extra servings lead to weight gain.

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An alternate theory for what causes Alzheimer's disease

Alzheimer's disease, the most common cause of dementia among the elderly, is characterized by plaques and tangles in the brain, with most efforts at finding a cure focused on these abnormal structures. But a research team has identified alternate chemistry that could account for the various pathologies associated with the disease.

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Diarrhea-causing bacteria adapted to spread in hospitals

The gut-infecting bacterium Clostridium difficile is evolving into two separate species, with one group highly adapted to spread in hospitals, according to new research.

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Mosquito 'spit glands' hold key to curbing malaria, study shows

Mosquitoes can harbor thousands of malaria-causing parasites in their bodies, yet while slurping blood from a victim, they transmit just a tiny fraction of them. In an effort to define precisely the location of the parasite bottleneck, scientists say they have discovered that the parasites are stopped by a roadblock along the escape route in the insect's spit glands, a barrier that could potentially serve as a novel target for preventing or reducing malarial infection.

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Mars: Cause of methane spikes still unknown

New study rules out wind erosion as the source of methane gas on Mars and moves a step closer to answering the question of whether life exists on other planets.

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Diet change needed to save vast areas of tropics

One quarter of the world's tropical land could disappear by the end of the century unless meat and dairy consumption falls, researchers have warned.

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Glitch in neutron star reveals its hidden secrets

Neutron stars are not only the most dense objects in the Universe, but they rotate very fast and regularly. Until they don't.

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A new timeline of Earth's cataclysmic past

Recent research shows that our planet may have been pummeled with asteroids long before some scientists had previously thought.

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Tissue model reveals role of blood-brain barrier in Alzheimer's

A new study shows how the Alzheimer's disease allows toxins to pass through the blood-brain barrier, further harming neurons.

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Arctic sea-ice loss has 'minimal influence' on severe cold winter weather

The dramatic loss of Arctic sea ice through climate change has only a 'minimal influence' on severe cold winter weather across Asia and North America, new research has shown.

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पेट में तेज दर्द होने पर सामने आई सच्चाई, 20 साल पहले निगल लिया था टूथब्रश

यह खबर बेहद चौंकाने वाली है। एक कैदी ने खुद को जान से मारने के लिए एक टूथब्रश 20 साल पहले निगल लिया था जिसे अब जाकर डॉक्टर ने उसकी छोटी आंत से उस टूथब्रश को बाहर निकाल दिया है।

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Dark matter may be older than the Big Bang

Dark matter, which researchers believe make up about 80% of the universe's mass, is one of the most elusive mysteries in modern physics. What exactly it is and how it came to be is a mystery, but a new study now suggests that dark matter may have existed before the Big Bang.

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Virtual 'universe machine' sheds light on galaxy evolution

By creating millions of virtual universes and comparing them to observations of actual galaxies, researchers have made discoveries that present a powerful new approach for studying galaxy formation.

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Hubble's new portrait of Jupiter

A new Hubble Space Telescope view of Jupiter reveals the giant planet's trademark Great Red Spot, and a more intense color palette in the clouds swirling in Jupiter's turbulent atmosphere than seen in previous years.

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These sharks use unique molecules to glow green

In the depths of the sea, certain shark species transform the ocean's blue light into a bright green color that only other sharks can see -- but how they biofluoresce has previously been unclear. Researchers have now identified what's responsible for the sharks' bright green hue: a previously unknown family of small-molecule metabolites.

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ऑक्टोपस के साथ फोटो खिंचाना पड़ा महंगा, प्राइज के बदले सांसत में पड़ी जान

अमेरिका के वॉशिंगटन की रहने वाली एक महिला को अपने चेहरे पर ऑक्टोपस रखकर फोटो खिंचाना काफी महंगा पड़ गया।

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A long time ago, galaxies far, far away

Astronomers used the combined power of multiple astronomical observatories around the world and in space to discover a treasure-trove of previously unknown ancient massive galaxies. This is the first multiple discovery of its kind and such an abundance of this type of galaxy defies current models of the universe. These galaxies are also intimately connected with supermassive black holes and the distribution of dark matter.

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Fear of predators causes PTSD-like changes in brains of wild animals

A new study demonstrates that the fear predators inspire can leave long-lasting traces in the neural circuitry of wild animals and induce enduringly fearful behavior, comparable to effects seen in PTSD research.

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बादलों को चीरते हुए हवाईजहाज का वीडियो वायरल, आप भी देखें

हम आपको हवाईजहाज के एक ऐसे दिलचस्प वीडियो के बारे में बता रहें जिसे आप देखकर रोमांचित हो जाएंगे। बादलों के बीच से निकलते हवाईजहाज के इस वीडियो को सोशल मीडिया पर काफी शेयर किया जा

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1 in 300 thrives on very-early-to-bed, very-early-to-rise routine

A quirk of the body clock that lures some people to sleep at 8 p.m., enabling them to greet the new day as early as 4 a.m., may be significantly more common than previously believed.

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Guacamole lovers, rejoice! The avocado genome has been sequenced

Scientists have sequenced the avocado genome, shedding light on the ancient origins of this buttery fruit and laying the groundwork for future improvements to farming.

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Strange coral spawning improving Great Barrier Reef's resilience

A phenomenon that makes coral spawn more than once a year is improving the resilience of the Great Barrier Reef. The discovery was made by researchers investigating whether corals that split their spawning over multiple months are more successful at spreading their offspring across different reefs.

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Dead planets can 'broadcast' for up to a billion years

Astronomers are planning to hunt for cores of exoplanets around white dwarf stars by 'tuning in' to the radio waves that they emit.

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Scientists create the world's thinnest gold

Scientists have created a new form of gold which is just two atoms thick -- the thinnest unsupported gold ever created.

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Lessons of conventional imaging let scientists see around corners

Scientists, drawing on the lessons of classical optics, have shown that it is possible to image complex hidden scenes using a projected 'virtual camera' to see around barriers.

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Maya more warlike than previously thought

What was the role of warfare in Mayan civilization? New evidence from lake sediments around the abandoned city of Witzna indicates that extreme, total warfare was not just an aspect of the late Mayan period, leading to its fall, but a characteristic of intercity rivalry during the peak of Mayan culture.Researchers discovered a thick charcoal layer from a massive, scorched-earth attack on Witzna on May 21, 697 CE (AD).

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How wildfires trap carbon for centuries to millennia

Charcoal produced by wildfires could trap carbon for hundreds of years and help mitigate climate change, according to new research. A new study quantifies the important role that charcoal plays in helping to compensate for carbon emissions from fires. Researchers say that this charcoal could effectively 'lock away' a considerable amount of carbon for years to come.

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Geoengineering versus a volcano

Major volcanic eruptions spew ash particles into the atmosphere, which reflect some of the Sun's radiation back into space and cool the planet. But could this effect be intentionally recreated to fight climate change?

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It would take 50 million years to recover New Zealand's lost bird species

Half of New Zealand's birds have gone extinct since humans arrived on the islands. Many more are threatened. Now, researchers estimate that it would take approximately 50 million years to recover the number of bird species lost since humans first colonized New Zealand.

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Scientists create artificial catalysts inspired by living enzymes

Researchers have made a significant advance in the development of artificial catalysts for making cleaner chemicals and fuels at an industrial scale.

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Magnetic plasma pulses excited by UK-size swirls in the solar atmosphere

Scientists have discovered previously undetected observational evidence of frequent energetic wave pulses the size of the UK, transporting energy from the solar surface to the higher solar atmosphere.

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Unique electrical properties in quantum materials can be controlled using light

A new study found that Weyl semimetals, a class of quantum materials, have bulk quantum states whose electrical properties can be controlled using light.

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Researchers find proteins that might restore damaged sound-detecting cells in the ear

Using genetic tools in mice, researchers say they have identified a pair of proteins that precisely control when sound-detecting cells, known as hair cells, are born in the mammalian inner ear. The proteins may hold a key to future therapies to restore hearing in people with irreversible deafness.

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Blinking eye-on-a-chip used for disease modeling and drug testing

The latest iteration of an eye-on-a-chip has a mechanical eyelid to simulate blinking and was used to test an experimental drug for dry eye disease. By incorporating human cells into an engineered scaffolding, the eye-on-a-chip has many of the benefits of testing on living subjects, while minimizing risks and ethical concerns.

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Scientists can now manipulate brain cells using smartphone

A team of scientists have invented a device that can control neural circuits using a tiny brain implant controlled by a smartphone. The device could speed up efforts to uncover brain diseases such as Parkinson's, Alzheimer's, addiction, depression, and pain.

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Viral Video: सोशल मीडिया में इस बंदर की समझदारी की हो रही है तारीफ, आप भी कह उठेंगे वाह

सोशल मीडिया में इन दिनों इस बंदर की काफी तारीफ हो रही है। इस बंदर ने जो काम किया है उसे देखकर तो इंसानों को भी उससे सीख लेने की नसीहत दी जा रही है।

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3D printing the human heart

Researchers have published a new 3D bioprinting method that brings the field of tissue engineering one step closer to being able to 3D print a full-sized, adult human heart.

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Drop of ancient seawater rewrites Earth's history

The remains of a microscopic drop of ancient seawater has assisted in rewriting the history of Earth's evolution when it was used to re-establish the time that plate tectonics started on the planet.

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Hubble uncovers a 'heavy metal' exoplanet shaped like a football

How can a planet be 'hotter than hot?' The answer is when heavy metals are detected escaping from the planet's atmosphere, instead of condensing into clouds.

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सांप ने काटा, तो शराबी युवक ने दांतों से कर दिए उसके टुकड़े-टुकड़े

आपने सांप के इंसानों के काटने की घटना सुनी होगी लेकिन किसी इंसान के पलटकर सांप को दांतों से काटकर उसे टुकड़े कर देनी की घटना कम ही सुनी होगी।

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