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Alexandria, VA
nsf.gov
Participa desde setembro de 2008
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  1. há 17 horas

    The proof is in the teeth. scientists say fossilized teeth prove mammals vanished from Africa & the Arabian Peninsula in a mass extinction 30M yrs ago that nobody knew about. They reappeared much later w/ a new look. 📷 M. Borths/Duke

    Dental CT scans show that mammal teeth became less diverse during the early Oligocene extinction events. This 3D tooth shape is of the lower molar of a rodent (Shazurus minutus) fossil in the anomaluroid family. The specimen is from the earliest late Eocene (approximately 37 million years ago) and was found in the Fayum Depression of northern Egypt.
    2 respostas 17 retweets 56 curtiram
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  2. há 17 horas

    By digitizing collections, museums share them with the world. The (led by & ) has led the effort to digitize over 1.3 million specimens. Today, NSF Director Sethuraman Panchanathan visited to see some of this work.

    3 respostas 37 retweets 106 curtiram
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  3. 26 de mai.

    Discarded plastic makes up almost one-third of all the waste in all the landfills worldwide. Researchers are using the power of the sun ☀ to upcycle plastic waste. Learn more at 's The Discovery Files: via 🎧

    8 retweets 18 curtiram
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  4. 26 de mai.

    Skull defects and injuries affect thousands of people every year around the world. researchers with support devised a way to bioprint bone with encoding genes during surgery for faster healing & repair. 📷 Charles William Andrews

    Engineers use bioprinting during bone reconstruction surgery to heal and strengthen skull defects.
    15 curtiram
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  5. 25 de mai.

    The National Artificial Intelligence Research Resource Task Force presented a report about bridging the resource divide for research. "AI doesn't just stand for artificial intelligence, it must also stand for accessibility & inclusion," NSF Director

    9 retweets 23 curtiram
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  6. 25 de mai.

    Five of those 12 innovators are ! Register for the 👇 to engage with and learn about these innovative startups.

    𝗧𝗢𝗗𝗔𝗬: The first-ever kicks off at 12:30pm ET! The inaugural event will feature 12 amazing innovators who will showcase game-changing technology supported by , America's Seed Fund. ➡️ Register here:
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    2 retweets 12 curtiram
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  7. 25 de mai.

    Arctic winters are long, cold & harsh. While year-round Arctic birds have adapted to these conditions, others stop in the Arctic only during migrations. Arctic summers bring a variety of species, whether to breed & nest, molt, or fly by. science:

    7 retweets 20 curtiram
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  8. 25 de mai.

    Western wildfires 🔥 are bigger & meaner due to climate change, but 's new prediction method forecasts a bad but less-devastating summer than last year's near-record. NCAR leads in wildfire studies. 📷 USFS

    A column of smoke from the Tamarack Fire in Nevada.
    7 retweets 25 curtiram
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  9. 24 de mai.

    Don’t miss out on tomorrow's Symposium! This event will bring together leading experts from govt, academic & private sectors to discuss areas of computing at scale, networking, security, , machine learning, privacy & the internet of things. ⬇️

    Are you excited? is two days away! Register for the livestream & hear the dynamic panelists discussing 's contributions to & IT the last 30 years & what NITRD and their member agencies' work will bring in the next 30!
    1 resposta 14 retweets 12 curtiram
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  10. 24 de mai.

    Is social life linked to brain structure? A study of rhesus macaques🐒found the number of grooming partners predicted the size of parts of the brain responsible for empathy & social decisions: 🙉 📸Lauren JN Brent

    A grooming chain of adult female rhesus macaques on an island off the coast of Puerto Rico.
    , , e 7 outros
    10 retweets 38 curtiram
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  11. 23 de mai.

    NSF Dir Panchanathan visited to learn about its research + innovation. He toured the campus & met some amazing NSF CAREER awardees. "The engine of innovation is driven by the amazing ideas & talent present in every one of the students, postdocs, faculty & researchers."

    1 resposta 11 retweets 32 curtiram
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  12. 23 de mai.

    The Pacific Islands are on the front lines of the battle, with sea level rise a major threat to the low-lying islands. NSF is helping to enhance marine & environmental science education throughout the region to battle it. 📷

    23 retweets 33 curtiram
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  13. 23 de mai.

    Fear the urban squirrel or rat? 🐒🐭 scientists found that urban wildlife don't carry more human-infective viruses than rural counterparts – but more study is needed on how city living shapes disease transmission. 📷: Georgetown U

    Researchers are studying whether animals living in cities carry different viruses
    4 retweets 20 curtiram
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  14. 20 de mai.

    Shifting habitat ranges, less abundance – warmer oceans will trigger complex changes in marine ecosystems and food webs for centuries:

    8 retweets 17 curtiram
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  15. 20 de mai.

    🇺🇸🇮🇳 Today, NSF Director Panchanathan met with the Secretary of , Srivari Chandrasekhar, to discuss research collaborations in A.I., data science, climate, robotics and more to accelerate innovation and advance the frontiers of science.

    NSF Director Panchanathan next to Srivari Chandrasekhar, Secretary of the Department of Science and Technology, India.
    14 retweets 75 curtiram
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  16. 20 de mai.

    The male orchid bee is a master perfumer – beating his wings to disperse fragrance to attract a mate. research by reveals much about successful procreation and how perfumes can result in new species. 📷: Thomas Eltz

    Researchers at the University of California, Davis, found that orchid bees, like this male, are easier to tell apart by the chemical differences of their perfumes than by their physical appearance.
    1 resposta 9 retweets 35 curtiram
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  17. retweetou
    19 de mai.

    On 15 May a total lunar eclipse graced the skies over Kitt Peak. This composite image shows the different stages of the eclipse. The long exposure near maximum totality revealed the position of stars at that time and meant the Moon appeared brighter than at other stages. 1/2

    2 respostas 23 retweets 68 curtiram
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  18. 19 de mai.

    It's been a week since scientists at released the first image of Sgr A*, the black hole at the center of our galaxy. Want to learn how they got it? NSF's Science Matters explains how Earth became a virtual telescope to seek out black holes.

    The black hole called Sagittarius A* at the heart of the Milky Way, imaged for the first time by the EHT Collaboration.
    3 respostas 24 retweets 99 curtiram
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  19. retweetou
    17 de mai.

    Being a 🌍💫 is about leveraging our global science + tech excellence for geopolitical influence to tackle global challenges. Great to meet , Director of the US National Science Foundation, to discuss UK-US scientific collaborations 🇬🇧🇺🇸

    11 retweets 29 curtiram
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  20. 18 de mai.

    When a megafire 🔥 engulfed the Pacific Northwest in Sept. 2020, studied the role that extreme winds, topography & vegetation played. What they learned can inform land use planning for future extreme fire events. 📷: Cody Evers

    Satellite image of the Riverside fire in Oregon, 2020.
    3 retweets 21 curtiram
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