NASA astronauts launch from America in historic test flight of SpaceX Crew Dragon

For the first time in history, NASA astronauts have launched from American soil in a commercially built and operated American crew spacecraft on its way to the International Space Station.

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Evolution of pandemic coronavirus outlines path from animals to humans

A team of scientists studying the origin of SARS-CoV-2, the virus that has caused the COVID-19 pandemic, found that it was especially well-suited to jump from animals to humans by shapeshifting as it gained the ability to infect human cells.

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भालू ने बचाई कौए की जान, वीडियो देख आप कहेंगे ऊपरवाले की लीला अपरंपार है

इस वीडियो में साफ देखा जा रहा है कि एक कौआ एक तालाब में गिर गया। इसके बाद वह डूबने लगा। काफी कोशिश के बाद भी वह बाहर निकल नहीं पाया।

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चूहे ने गाया फ्रेडी मरकरी का ऐसा गाना, वीडियो देख आप अपनी हंसी नहीं रोक पाएंगे

इस वीडियो को Buitengebieden ने सोशल मीडिया ट्विटर पर अपने अकाउंट से शेयर किया है। इसके कैप्शन में उन्होंने हंसते हुए लिखा है- किसने ऐसा कर दिया? गाने को बजने दो।

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Rarely heard narwhal vocalizations

With the help of Inuit hunters, geophysicists recently recorded the various calls, buzzes, clicks and whistles of narwhals as they summered in a Greenland fjord. The recordings help scientists better understand the soundscape of Arctic glacial fjords and provide valuable insight into the behavior of these shy and mysterious creatures, according to the researchers.

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लॉकडाउन में लोगों ने की ऐसी पार्टी, वीडियो देख आप हो जाएंगे हैरान

इस पार्टी में कोरोना वायरस महामारी से बचने के लिए सभी सावधानियों का ख्याल रखा जा रहा है। इसके लिए लोग मास्क पहने हैं सामाजिक दूरी का पालन कर रहे हैं।

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Astronomers discover new class of cosmic explosions

Analysis of two cosmic explosions indicates to astronomers that the pair, along with a puzzling blast from 2018, constitute a new type of event, with similarities to some supernovae and gamma-ray bursts, but also with significant differences.

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Increased fertility for women with Neanderthal gene, study suggests

One in three women in Europe inherited the receptor for progesterone from Neanderthals -- a gene variant associated with increased fertility, fewer bleedings during early pregnancy and fewer miscarriages, according to new research.

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Migration patterns reveal an 'Eden' for ancient humans and animals

Researchers have discovered a new migration pattern (or lack of) at Pinnacle Point, a now-submerged region in South Africa. While it was first believed large omnivores would travel to follow the growth of vegetation to survive, researchers came to a completely new conclusion through studying antelope teeth. They discovered that this region was an 'Eden' to all living species that called it home, including the earliest humans.

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Tropical forests can handle the heat, up to a point

Tropical forests face an uncertain future under climate change, but new research suggests they can continue to store large amounts of carbon in a warmer world, if countries limit greenhouse gas emissions.

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Bumblebees speed up flowering

When pollen is in short supply, bumblebees damage plant leaves in a way that accelerates flower production, new research reveals.

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Dinosaur-dooming asteroid struck Earth at 'deadliest possible' angle

New simulations have revealed the asteroid that doomed the dinosaurs struck Earth at the 'deadliest possible' angle.

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Babies know when you imitate them -- and like it

Six-month old infants recognize when adults imitate them, and perceive imitators as more friendly, according to a new study. The babies looked and smiled longer at an adult who imitated them, as opposed to when the adult responded in other ways. Babies also approached them more, and engaged in imitating games.

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भैंस को लात मारना पड़ा महंगा, वीडियो देख आप अपनी हंसी रोक नहीं पाएंगे

इस वीडियो को भारतीय वन सेवा के अधिकारी सुशांत नंदा ने सोशल मीडिया ट्विटर पर शेयर किया है। इसके कैप्शन में उन्होंने लिखा है-कर्म का कोई मेनू नहीं होता है।

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COVID-19 crisis causes 17 percent drop in global carbon emissions

The COVID-19 global lockdown has had an 'extreme' effect on daily carbon emissions, but it is unlikely to last, according to a new analysis.

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भैंसे को छेड़ना पड़ा महंगा, वीडियो देख आप अपनी हंसी नहीं रोक पाएंगे

इस वीडियो को वन अधिकारी प्रवीण कासवान ने सोशल मीडिया पर शेयर किया है। इसके कैप्शन में उन्होंने लिखा है- भैंसे ने लिया बदला।

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जब वन अधिकारी ने प्यासे नाग को पिलाया पानी, वीडियो देख आप कह उठेंगे OMG!

इस वीडियो में वन अधिकारी की हिम्मत देखने लायक है। जिस तरह से वन अधिकारी ने दिलेरी का नमूना पेश किया है वह प्रशंसनीय है।

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मिनी डॉक्टर ने अपने पिता का किया इलाज, वीडियो देख आप अपनी हंसी रोक नहीं पाएंगे

इस वीडियो में नन्हे बालक ने जिस तरह से डॉक्टर की भूमिका निभाई है उसे देखकर आपको हैरानी होगी।

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लॉकडाउन में लड़के ने की ऐसी एक्सरसाइज, वीडियो देख आप भी कहेंगे कल मैं भी...

इस वीडियो को Buitengebieden ने सोशल मीडिया ट्विटर पर अपने अकाउंट से शेयर किया है। इसके कैप्शन में उन्होंने लिखा है- ऐसे कैसे हो सकता है?

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New study estimates the odds of life and intelligence emerging beyond our planet

Despite knowing when life first appeared on Earth, scientists still do not understand how life occurred, which has important implications for the likelihood of finding life elsewhere in the universe. A new paper shows how an analysis using a statistical technique called Bayesian inference could shed light on how complex extraterrestrial life might evolve in alien worlds.

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Long-term data show hurricanes are getting stronger

In almost every region of the world where hurricanes form, their maximum sustained winds are getting stronger. That is according to a new study involving an analysis of nearly 40 years of hurricane satellite imagery.

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Scientists find brain center that 'profoundly' shuts down pain

A research team has found a small area of the brain in mice that can profoundly control the animals' sense of pain. Somewhat unexpectedly, this brain center turns pain off, not on. It's located in an area where few people would have thought to look for an anti-pain center, the amygdala, which is often considered the home of negative emotions and responses, like the fight or flight response and general anxiety.

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डॉगी ने हवा में किया ऐसा करतब, वीडियो देख आप हो जाएंगे हैरान

जब डॉगी नीचे आता है तो वह हवा में ही अपने शरीर को संतुलित कर लेता है ताकि वह जमीन पर आसानी से लैंड कर सके। डॉगी का यह स्टंट बेहद चौकाने वाला है।

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लॉकडाउन में बंदर ने पार्क में किया कुछ ऐसा, वीडियो देख आप अपनी हंसी नहीं रोक पाएंगे

इस वीडियो में साफ देखा जा रहा है कि वह बंदर किसी पार्क के दीवार पर इंसानों की मुद्रा में बैठा है। जबकि बंदर के दोनों हाथ दीवार पर और पैर जमीन पर लटक रहे हैं।

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हाथी ने गुस्सैल गैंडे को सिखाया ऐसा सबक, वीडियो देख आप कहेंगे भई वाह!

इस वीडियो को खबर लिखे जाने तक तकरीबन 18 हजार लोग देख चुके हैं और 1 हजार से अधिक लोगों ने लाइक किया है।

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मेघालय की सीमा में घुसे पड़ोसी देश के हाथी, वीडियो हो रहा है खूब वायरल

वीडियो में साफ दिख रहा है कि बीएसएफ का जवान चाली 39 कंट्रोल रूम से कह रहा है मामा आ रहा है छोटा या बड़ा विक्टर को अभी मत भेजना।

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इस व्यक्ति ने बाघ के साथ की ऐसी मस्ती, वीडियो देख आपके रोंगटे खड़े हो जाएंगे

बाघ बच्चे की तरह करवटें बदलता है लेकिन कोई डरावनी प्रतिक्रिया नहीं देता है बल्कि अपना पैर उठाकर बताना चाहता है कि मुझे यह पसंद है।

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Our ability to focus may falter after eating one meal high in saturated fat

Fatty food may feel like a friend during these troubled times, but new research suggests that eating just one meal high in saturated fat can hinder our ability to concentrate -- not great news for people whose diets have gone south while they're working at home during the COVID-19 pandemic.

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दिव्यांग व्यक्ति ने दिखाया अपनी प्रतिभा का हुनर, वीडियो देख आपकी आंखें हो जाएंगी नम

इस क्रम में वह कई बार असफल भी होता है लेकिन वह हार नहीं मानता है और निरंतर कोशिश करता रहता है। इसके बाद वह अपने काम में सफल हो पाता है।

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सड़क पर गंदगी फैलाने वाले को छोटे बच्चे ने सिखाया ऐसा सबक, वीडियो देख आप कहेंगे शाबाश!

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- भविष्य तुम्हारे हाथ में है छोटे उस्ताद।

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Potentially fatal combinations of humidity and heat are emerging across the globe

A new study has identified thousands of incidents of previously rare or unprecedented extreme heat/humidity combinations in parts of Asia, Africa, Australia, South America and North America, including in the U.S. Gulf Coast region.

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COVID-19 lockdowns significantly impacting global air quality

Levels of two major air pollutants have been drastically reduced since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant -- ground-level ozone -- has increased in China, according to new research.

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Children face risk for severe complications and death from COVID-19

Children, teens and young adults are at greater risk for severe complications from COVID-19 than previously thought and those with underlying health conditions are at even greater risk, according to a new study.

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Giant meteorite impacts formed parts of the Moon's crust, new evidence shows

New research on a rock collected by the Apollo 17 astronauts has revealed evidence for a mineral phase that can only form above 2300 °C. Such temperatures are uniquely achieved in melt sheets following a meteorite impact, allowing the researchers to link the 4.33-billion-year-old crystal to an ancient collision on the Moon. The study opens the door for many of the more complex rocks on the Moon to have formed in these destructive environments.

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How does the brain link events to form a memory? Study reveals unexpected mental processes

The brain has a powerful ability to remember and connect events separated in time. And now, in a new study in mice, scientists have shed light on how the brain can form such enduring links.

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A billion years missing from geologic record: Where it may have gone

The geologic record is exactly that: a record. The strata of rock tell scientists about past environments, much like pages in an encyclopedia. Except this reference book has more pages missing than it has remaining. So geologists are tasked not only with understanding what is there, but also with figuring out what's not, and where it went.

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केले के इस पौधे में उपजे सैकड़ों केले, वीडियो बड़ी तेजी से हो रहा वायरल

इस वीडियो में साफ देखा जा रहा है कि केले के एक पौधे में जब फल देने की बारी आई तो केले के इस पौधे ने इतने केले दिए हैं कि पूरे गांव का हर एक व्यक्ति केला खा सकता है।

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लॉकडाउन में डॉगी ने लड़की के साथ खेला हाइड एंड सीक गेम, वीडियो देख आप भी कहेंगे OMG!

इस वीडियो में साफ़ देखा जा रहा है कि एक छोटी सी बच्ची अपनी डॉगी को हाइड एंड सीक गेम के नियम समझा रही है। इसके लिए वह डॉगी को मंकी कहकर पुकारती है।

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ओडिशा के एक घर में निकला दो-मुंहा सांप, वीडियो देख आपके रोंगटे हो खड़े जाएंगे

ऐसी धारणा है कि घर में दो मुंहे साप रखने से लोग लखपति बनते हैं। इसलिए लोग अपने घरों में इसे रखते हैं।

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Telescopes and spacecraft join forces to probe deep into Jupiter's atmosphere

NASA's Hubble Space Telescope and the ground-based Gemini Observatory in Hawaii have teamed up with the Juno spacecraft to probe the mightiest storms in the solar system, taking place more than 500 million miles away on the giant planet Jupiter.

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Vitamin D levels appear to play role in COVID-19 mortality rates

Researchers analyzed patient data from 10 countries. The team found a correlation between low vitamin D levels and hyperactive immune systems. Vitamin D strengths innate immunity and prevents overactive immune responses. The finding could explain several mysteries, including why children are unlikely to die from COVID-19.

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क्या बंदर ने दिनदहाड़े की एटीएम लूटने की कोशिश? वीडियो देख रह जाएंगे हैरान

इस वीडियो में साफ देखा जा रहा है कि एक बंदर स्टेट बैंक ऑफ इंडिया के एटीएम परिसर में घुसकर जमकर बदमाशी करता है।

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Bat 'super immunity' may explain how bats carry coronaviruses, study finds

Researchers have uncovered how bats can carry the Middle East respiratory syndrome (MERS) coronavirus without getting sick -- research that could shed light on how coronaviruses make the jump to humans and other animals.

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ESO instrument finds closest black hole to Earth

Astronomers have discovered a black hole lying just 1,000 light-years from Earth. The black hole is closer to our solar system than any other found to date and forms part of a triple system that can be seen with the naked eye.

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Mutations in SARS-CoV-2 offer insights into virus evolution

By analyzing virus genomes from over 7,500 people infected with COVID-19, researchers have characterized patterns of diversity of SARS-CoV-2 virus genome, offering clues to direct drugs and vaccine targets. The study identified close to 200 recurrent genetic mutations in the virus, highlighting how it may be adapting and evolving to its human hosts.

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लॉकडाउन में असम पुलिस ने किया अनूठा काम, वीडियो देख कहेंगे भई वाह!

इस वीडियो में कुछ पुलिस वाले 4 मई को वरिष्ठ नागरिक केपी अग्रवाल के उनके 78 वें जन्मदिन पर उन्हें शुभकामनाएं दे रहे हैं।

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क्या बंदर ने दिनदहाड़े की बच्चे के अपहरण की कोशिश? वीडियो देख रह जाएंगे हैरान

इस वीडियो को सुशांत नंदा ने सोशल मीडिया ट्विटर पर अपने अकांउट से शेयर किया है। इसके कैप्शन में उन्होंने लिखा है-निश्चित रूप से हम अजीब समय में रह रहे हैं।

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Antibody blocks infection by the SARS-CoV-2 in cells, scientists discover

Researchers report that they have identified a fully human monoclonal antibody that prevents the SARS-CoV-2 (COVID-19) virus from infecting cultured cells. The discovery is an initial step towards developing a fully human antibody to treat or prevent the respiratory disease COVID-19 caused by the novel coronavirus SARS-CoV-2.

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युवक ने घर लौटने के लिए चुना खतरनाक रास्ता, वीडियो देख आप भी कहेंगे OMG!

इस वीडियो में युवक काम खत्म करने के बाद घर लौटने के लिए जिस शॉर्ट-कट रास्ते को चुनता है वह जोखिमभरा है।

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Antibodies from llamas could help in fight against COVID-19, study suggests

Researchers linked two copies of a special kind of antibody produced by llamas to create a new antibody that binds tightly to a key protein on the coronavirus that causes COVID-19. This protein, called the spike protein, allows the virus to break into host cells. Initial tests indicate that the antibody blocks viruses that display this spike protein from infecting cells in culture.

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4-billion-year-old nitrogen-containing organic molecules discovered in Martian meteorites

Scientists exploring Mars and analysing Martian meteorite samples have found organic compounds essential for life: nitrogen-bearing organics in a 4-billion-year-old Martian meteorite. With a new high-spatial resolution in-situ N-chemical speciation technique, they found organic materials -- either synthesized locally or delivered during the Noachian -- preserved intact in carbonate minerals over a long geological period. Their presence requires abiotic or biotic N-fixation and ammonia storage, suggesting early Mars had a less oxidizing environment than today.

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Scientists find highest ever level of microplastics on seafloor

Researchers have found the highest levels of microplastic ever recorded on the seafloor, with up to 1.9 million pieces in a thin layer covering just one square meter.

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NASA space laser missions map 16 years of ice sheet loss

Using the most advanced Earth-observing laser instrument NASA has ever flown in space, scientists have made precise, detailed measurements of how the elevation of the Greenland and Antarctic ice sheets have changed over 16 years.

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Mind-controlled arm prostheses that 'feel' are now a part of everyday life

For the first time, people with arm amputations can experience sensations of touch in a mind-controlled arm prosthesis that they use in everyday life. A study reports on three Swedish patients who have lived, for several years, with this new technology -- one of the world's most integrated interfaces between human and machine.

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Eyes send an unexpected signal to the brain

New research has found that a subset of retinal neurons sends inhibitory signals to the brain. Before, researchers believed the eye only sends excitatory signals.

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Scientists regenerate neurons in mice with spinal cord injury and optic nerve damage

Each year thousands of patients face life-long losses in sensation and motor function from spinal cord injury and related conditions in which axons are badly damaged or severed. New research in mice shows, however, that gains in functional recovery from these injuries may be possible, thanks to a molecule known as Lin28, which regulates cell growth.

from All Top News -- ScienceDaily https://ift.tt/2Ss38qC

जब महिला डॉक्टर घर लौटी तो घरवालों ने किया भव्य स्वागत, वीडियो देख आंखें हो जाएंगी नम

जब सोसाइटी के लोग उनके स्वागत-सत्कार के लिए खड़े थे तो यह देख महिला डॉक्टर अपनी आंखों के आंसुओं को रोक न सकीं और भावुक होकर रोने लगीं।

from Jagran Hindi News - news:oddnews https://ift.tt/3aO6muF