Search Results for: assessments

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3,581 results

3,581 results for: assessments

  1. Climate

    Satellite space junk might wreak havoc on the stratosphere

    Hundreds of defunct satellites plunge toward Earth every year. Scientists are studying how the chemical stew left in their wake impacts the atmosphere.

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  2. Chemistry

    Scientists may have an explanation for why some batteries don’t last

    A long-standing idea of why lithium ion batteries die focuses on lithium movement into the cathode. Instead, hydrogen may be to blame.

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  3. Planetary Science

    NASA’s Europa mission is a homecoming for one planetary astronomer

    Over her long career, Bonnie Buratti has seen the search for life in the solar system go from a joke to a flagship mission.

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  4. Health & Medicine

    Toxic dangers lurk in LA, even in homes that didn’t burn

    Urban wildfires like LA’s make harmful chemicals from burning plastics and electronics that can make indoor air dangerous for months.

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  5. Science & Society

    The ‘Does It Fly?’ podcast separates fact from science fiction

    The podcast ‘Does It Fly?’ asks whether the technology of Star Trek, Doctor Who and other popular sci-fi shows could really work.

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  6. Health & Medicine

    A new algae-based menstrual pad could stop leaks

    By turning period blood into a gel, the pad’s alginate powder filler reduces leakage.

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  7. Chemistry

    Old books can have unsafe levels of chromium, but readers’ risk is low

    An analysis of a university collection found that the vibrant pigments coating some Victorian-era tomes exceed exposure limits for the heavy metal.

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  8. Health & Medicine

    A new drug shows promise for hot flashes due to menopause

    Two clinical trials found that the nonhormonal drug elinzanetant eased hot flashes and improved sleep, two common menopause symptoms.

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  9. Environment

    Federally unprotected streams contribute most of the water to U.S. rivers

    A 2023 U.S. Supreme Court ruling that ephemeral streams aren’t protected by the Clean Water Act could have sizable ripple effects, a study suggests.

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  10. Science & Society

    This researcher studies how misinformation seeps into science and politics

    The world is awash in information. Communications researcher Yotam Ophir digs into news articles and survey results to show how beliefs form and spread.

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  11. Climate

    From electric cars to wildfires, how Trump may affect climate actions

    Trump’s first term, campaign pledges and nominees point to how efforts to address climate change and environmental issues may fare.

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  12. Animals

    Getting wild mosquitoes back to the lab alive takes a custom backpack

    The new low-tech transportation method could help scientists in Africa assess if malaria-carrying mosquitoes are resistant to a common insecticide.

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