Researchers discover a specific brain circuit damaged by social isolation during childhood

Researchers have identified specific sub-populations of brain cells in the prefrontal cortex, a key part of the brain that regulates social behavior, that are required for normal sociability in adulthood and are profoundly vulnerable to juvenile social isolation in mice.

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भालू के लिए देवदूत बनकर आए वन्य अधिकारी, रेस्क्यू ऑपरेशन का वीडियो वायरल

वन विभाग के कर्मचारी भालू को बचाने के लिए रेस्क्यू मिशन चलाते हैं। इस मिशन में सीढ़ी और मशाल का सहारा लिया जाता है।

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बत्तख ने रविवार के दिन की ऐसी एक्सरसाइज, वीडियो देख हैरान हो जाएंगे

इस वीडियो को भारतीय वन सेवा के अधिकारी ने सोशल मीडिया ट्विटर पर अपने अकांउट से शेयर किया है। इसके कैप्शन में उन्होंने लिखा है-लोगों का मूड रविवार के दिन कुछ ऐसा ही रहता है।

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कबूतर को किक मारने में औंधे मुंह गिरा लड़का, वीडयो देख हंसी नहीं रोक पाएंगे

इस वीडियो को भारतीय वन सेवा के अधिकारी सुशांत नंदा ने सोशल मीडिया ट्विटर पर अपने अकांउट से शेयर किया है। इसके कैप्शन में उन्होंने लिखा है- कई बार कर्म का फल बड़ी जल्दी मिल जाता है।

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Genetics of the tree of life

Baobab trees can live for more than a thousand years and provide food, livestock fodder, medicinal compounds, and raw materials. Scientists counted the significant tree's chromosomes -- information critical for conservation, agricultural improvement, and further genetic work.

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Meteorite study suggests Earth may have been wet since it formed

A new study finds that Earth's water may have come from materials that were present in the inner solar system at the time the planet formed -- instead of far-reaching comets or asteroids delivering such water. The findings suggest that Earth may have always been wet.

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Artificial pancreas effectively controls type 1 diabetes in children age 6 and up

A clinical trial at four pediatric diabetes centers in the United States has found that a new artificial pancreas system -- which automatically monitors and regulates blood glucose levels -- is safe and effective at managing blood glucose levels in children as young as age six with type 1 diabetes.

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Transplanted brown-fat-like cells hold promise for obesity and diabetes

A potential therapy for obesity would transplant HUMBLE (human brown-like) fat cells, human white fat cells that have been genetically modified using CRISPR to become similar to heat-generating brown fat cells.

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Female chromosomes offer resilience to Alzheimer's

Women live longer than men with Alzheimer's because their sex chromosomes give them genetic protection from the ravages of the disease. Women get two 'doses' of a gene that only exists on the X chromosome. And some people, both male and female, have an especially potent variant of this gene. Long-term studies of older people, many of whom already had mild cognitive impairment, showed women with one or two copies of the variant progressed more slowly toward Alzheimer's.

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Today's Top 10 Fresh Beauties

घोड़े को छेड़ना पड़ा मंहगा, वीडियो देख हंसते-हंसते लोटपोट हो जाएंगे

घोड़ा व्यक्ति की मंशा को भांप लेता है और मानो वह मन ही मन कहता है कि आज तेरी खैर नहीं है।

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Hubble maps giant halo around Andromeda Galaxy

In a landmark study, scientists using NASA's Hubble Space Telescope have mapped the immense halo of gas enveloping the Andromeda galaxy, our nearest large galactic neighbor.

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Meteorite strikes may create unexpected form of silica

New research examining the crystal structure of the silica mineral quartz under shock compression is challenging longstanding assumptions about this ubiquitous material.

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Cosmic rays may soon stymie quantum computing

Infinitesimally low levels of radiation, such as from incoming cosmic rays, may soon stymie progress in quantum computing.

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Got fatigue? Study further pinpoints brain regions that may control it

Using MRI scans and computer modeling, scientists say they have further pinpointed areas of the human brain that regulate efforts to deal with fatigue.

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Galactic bar paradox resolved in cosmic dance

New light has been shed on a mysterious and long-standing conundrum at the very heart of our galaxy. The new work offers a potential solution to the so-called 'Galactic bar paradox', whereby different observations produce contradictory estimates of the motion of the central regions of the Milky Way.

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A galaxy's stop-and-start young radio jets

A new VLBA image shows details of a young jet emitted from the core of an active galaxy, revealing that the jet activity stopped, then restarted only a decade ago.

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Ancient star explosions revealed in deep-sea sediments

A mystery surrounding the space around our solar system is unfolding thanks to evidence of supernovae found in deep-sea sediments.

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जब एक शाकाहारी बाघ ने की तरबूज खाने की कोशिश...और फिर....

यह देख एक और बाघ तरबूज को आकर देखता है और मानो वह कहना चाहता है कि तुम्हारा व्रत तो टूट गया।

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Optical illusions explained in a fly's eyes

Why people perceive motion in some static images has mystified not only those who view these optical illusions but neuroscientists who have tried to explain the phenomenon. Now neuroscientists have found some answers in the eyes of flies.

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तनाव से मुक्ति पाने के लिए बंदर ने किया ध्यान योग, वीडियो देख आप हैरान हो जाएंगे

इस वीडियो में साफ़ देखा जा रहा है कि एक बंदर जो स्वभाव से काफी चंचल होता है। वह एक जगह स्थिर होकर बैठना पसंद नहीं करता है। अपने स्वभाव के विपरीत जाकर ध्यान योग कर रहा है।

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Genomic analysis reveals many animal species may be vulnerable to SARS-CoV-2 infection

Analysis of ACE2, the main receptor that SARS-CoV-2 uses to bind and enter cells, across 410 vertebrate species reveals that many are potentially susceptible to infection by the novel coronavirus. They include a number of endangered and threatened species, notably apes and old world primates. The study could also reveal potential intermediate hosts and animal models for the virus.

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बारिश से शहर में भरा पानी, तो व्यक्ति ने ऐसे की नाव की सवारी

वीडियो के बैकग्राउंड में सात समंदर पार मैं तेरे... गाना बज रहा है जो इस वीडियो को और भी मजेदार बना रहा है।

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Exploding stars may have caused mass extinction on Earth, study shows

Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth's rock record could confirm this scenario.

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Researchers track slowly splitting 'dent' in Earth's magnetic field

Earth's magnetic field acts like a protective shield around the planet, repelling and trapping charged particles from the Sun. But over South America and the southern Atlantic Ocean, an unusually weak spot in the field -- called the South Atlantic Anomaly, or SAA -- allows these particles to dip closer to the surface than normal.

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Loss of a specific enzyme boosts fat metabolism and exercise endurance in mice

Blocking the activity of a fat-regulating enzyme in the muscles of mice leads to an increased capacity for endurance exercise, according to the results of a new study.

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Researchers discover the microbiome's role in attacking cancerous tumors

Researchers have discovered which gut bacteria help our immune system battle cancerous tumors and how they do it. The discovery may provide a new understanding of why immunotherapy, a treatment for cancer that helps amplify immune response, works in some cases, but not others. The findings show combining immunotherapy with specific microbial therapy helps the immune system to recognize and attack cancer cells in three forms of cancer.

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Seasonal flu vaccinations don't 'stick' long-term in bone marrow

Seasonal flu vaccination does increase the number of antibody-producing cells specific for flu in the bone marrow. However, most of the newly generated cells are lost within one year, researchers found.

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When you're smiling, the whole world really does smile with you

From Sinatra to Katy Perry, celebrities have long sung about the power of a smile -- how it picks you up, changes your outlook, and generally makes you feel better. But is it all smoke and mirrors, or is there a scientific backing to the claim? Groundbreaking research confirms that the act of smiling can trick your mind into being more positive, simply by moving your facial muscles.

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Warming Greenland ice sheet passes point of no return

Nearly 40 years of satellite data from Greenland shows that glaciers on the island have shrunk so much that even if global warming were to stop today, the ice sheet would continue shrinking.

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Researchers make green chemistry advance with new catalyst for reduction of carbon dioxide

Researchers have made a key advance in the green chemistry pursuit of converting the greenhouse gas carbon dioxide into reusable forms of carbon via electrochemical reduction.

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Yoga shown to improve anxiety, study shows

A new study finds yoga improves symptoms of generalized anxiety disorder, suggesting the popular practice may be helpful in treating anxiety in some people.

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Quantum researchers create an error-correcting cat

Physicists have developed an error-correcting cat -- a new device that combines the Schrödinger's cat concept of superposition (a physical system existing in two states at once) with the ability to fix some of the trickiest errors in a quantum computation.

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Extremely young galaxy is Milky Way look-alike

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed an extremely distant and therefore very young galaxy that looks surprisingly like our Milky Way. The galaxy is so far away its light has taken more than 12 billion years to reach us: we see it as it was when the Universe was just 1.4 billion years old. It is also surprisingly unchaotic, contradicting theories that all galaxies in the early Universe were turbulent and unstable.

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महिला ने तिरंगे को किया ऐसे नमन और सलाम, वीडियो देख आपकी आंखें छलक उठेंगी

इस वीडियो को भारतीय वन सेवा के अधिकारी सुशांत नंदा ने सोशल मीडिया ट्विटर पर अपने अकांउट से शेयर किया है।

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सब्जियों की सिंचाई के लिए व्यक्ति ने लगाया ऐसा जुगाड़, वीडियो देख हो जाएंगे हैरान

इस वीडियो में साफ़ देखा जा रहा है कि किसी गार्डन अर्थात घर के लॉन में बागबानी कार्यक्रम के तहत सब्जियां उगाई जा रही है। जबकि सब्जी के पौधों को पंखे की मदद से पानी दिया जा रहा है।

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सील ने खाने के लिए ऐसे की विनती, वीडियो देख हो जाएंगे भावुक

मानो सील मछली कहना चाहती है कि हेलो मैं भी हूं। इस तरफ भी एक बार देख लो मुझे भी चारा दो। कई बार तो वह मुंह उठाकर भी बताना चाहती है कि मुझे भी चाहिए।

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Ancient genomes suggest woolly rhinos went extinct due to climate change, not overhunting

Although overhunting led to the demise of some prehistoric megafauna after the last ice age, a new study found that the extinction of the woolly rhinoceros may have been caused by climate change. By sequencing ancient DNA from 14 woolly rhinos, researchers found that their population remained stable and diverse until only a few thousand years before it disappeared from Siberia, when temperatures likely rose too high.

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'Black dwarf supernova': Physicist calculates when the last supernova ever will happen

New theoretical research finds that many white dwarfs may explode in supernova in the distant far future, long after everything else in the universe has died and gone quiet.

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'AeroNabs' promise powerful, inhalable protection against COVID-19

Scientists have devised a novel approach to halting the spread of SARS-CoV-2, the virus that causes COVID-19. The researchers engineered a completely synthetic, production-ready molecule that straitjackets the crucial SARS-CoV-2 machinery that allows the virus to infect our cells. In an aerosol formulation they tested, these molecules could be self-administered with a nasal spray or inhaler.

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Past evidence supports complete loss of Arctic sea-ice by 2035

A new study supports predictions that the Arctic could be free of sea ice by 2035.

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Photosynthetic hacks can boost crop yield, conserve water

Plants are factories that manufacture yield from light and carbon dioxide -- but parts of this complex process, called photosynthesis, are hindered by a lack of raw materials and machinery. To optimize production, scientists have resolved two major photosynthetic bottlenecks to boost plant productivity by 27 percent in real-world field conditions, according to a new study. This photosynthetic hack has also been shown to conserve water.

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Inexpensive, accessible device provides visual proof that masks block droplets

In a proof-of-concept study, researchers report that a simple, low-cost technique provided visual proof that face masks are effective in reducing droplet emissions during normal wear. They found that the best face coverings were N95 masks without valves -- the hospital-grade coverings that are used by front-line health care workers. Surgical or polypropylene masks also performed well. Hand-made cotton face coverings provided good coverage, eliminating a substantial amount of the spray from normal speech. But bandanas and neck fleeces such as balaclavas didn't block the droplets much at all.

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Mystery solved: Bright areas on Ceres come from salty water below

Data from NASA's recent Dawn mission answers two long-unresolved questions: Is there liquid inside Ceres, and how long ago was the dwarf planet geologically active?

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बंदर ने राह चलते आदमी की ली ऐसी खबर, वीडियो देख हंसी नहीं रोक पाएंगे

इस वीडियो में साफ़ देखा जा रहा है कि एक व्यक्ति मस्ती में अपने घर या बाजार की ओर जा रहा है। वीडियो देख ऐसा लगता है कि बंदर की उस व्यक्ति से कोई परानी रंजिश है।

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व्यक्ति ने पेश की मानवता की मिसाल, जान पर खेल कर बचाई गाय के बच्चे की जान

इस वीडियो में साफ़ देखा जा रहा है कि दो व्यक्ति गढ्ढे में गिरे गाय के बच्चे को सफलतापूर्वक बाहर निकाल रहे हैं।

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Surprising number of exoplanets could host life

A new study shows other stars could have as many as seven Earth-like planets in the absence of a gas giant like Jupiter.

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ALMA finds possible sign of neutron star in supernova 1987A

Based on ALMA observations and a theoretical follow-up study, scientists suggest that a neutron star might be hiding deep inside the remains of Supernova 1987A.

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Ancient part of immune system may underpin severe COVID

New genetic and patient analyses suggest severe COVID is linked to overactive complement, one of the immune system's oldest branches, and excess blood clotting.

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Early Mars was covered in ice sheets, not flowing rivers, researchers say

A large number of the valley networks scarring Mars's surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new research. The findings effectively throw cold water on the dominant 'warm and wet ancient Mars' hypothesis, which postulates that rivers, rainfall and oceans once existed on the red planet.

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Cooling of Earth caused by eruptions, not meteors

Ancient sediment found in a central Texas cave appears to solve the mystery of why the Earth cooled suddenly about 13,000 years ago.

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How human sperm really swim: New research challenges centuries-old assumption

A breakthrough in fertility science has shattered the universally accepted view of how sperm 'swim'.

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NASA data helps new model predict big solar flares

Scientists have developed a new model that successfully predicted seven of the Sun's biggest flares from the last solar cycle, out of a set of nine. With more development, the model could be used to one day inform forecasts of these intense bursts of solar radiation.

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'Little brain' or cerebellum not so little after all

When we say someone has a quick mind, it may be in part thanks to our expanded cerebellum that distinguishes human brains from those of macaque monkeys, for example. High-resolution imaging shows the cerebellum is 80 percent of the area of the cortex, indicating it has grown as human behavior and cognition evolved.

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Study sheds light on the evolution of the earliest dinosaurs

Geological evidence suggests the known dinosaur groups diverged early on, supporting the traditional dinosaur family tree.

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NASA astronauts safely splash down after first commercial crew flight to space station

Two NASA astronauts splashed down safely in the Gulf of Mexico Sunday for the first time in a commercially built and operated American crew spacecraft, returning from the International Space Station to complete a test flight that marks a new era in human spaceflight.

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बिल्ली को बॉथटब में फेंकना करना पड़ा महंगा, देखें वीडियो- औंधे मुंह गिरा नन्हा बच्चा

इस वीडियो में साफ़ देखा जा रहा है कि बिल्ली और नन्हे बच्चे के बीच गहरी दोस्ती है। नन्हा बच्चा बिल्ली से बहुत प्यार करता है तो बिल्ली भी उससे बेहद प्यार करती है।

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