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3,585 results

3,585 results for: assessments

  1. Climate

    Wetland bacteria could make more methane in a warming world

    Warming temperatures can ramp up the activity of methane-producing bacteria in wetland soils, adding to methane emissions.

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  2. Earth

    The ozone layer shields life on Earth. We’ll soon lose a key way to monitor its health

    Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.

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  3. Health & Medicine

    AI helps doctors detect more breast cancer in the largest real-world study

    AI is as good as clinicians at interpreting mammograms, a cancer study with nearly 500,000 participants in Germany suggests.

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  4. Climate

    Even desert cities could pull drinking water from the air 

    Water harvesting from foggy air provided up to 5 liters of water a day in a yearlong Chilean desert experiment.

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  5. Earth

    Even epic rainfall may not be enough to refill SoCal’s aquifers

    More than a dozen atmospheric rivers dumped rainfall on California in 2023 but replenished only 25 percent of the water lost from aquifers since 2006.

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  6. Artificial Intelligence

    Are AI chatbot ‘personalities’ in the eye of the beholder?

    Defining AI chatbot personality could be based on how a bot “feels” about itself or on how a person feels about the bot they’re interacting with.

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  7. Earth

    20 years after Hurricane Katrina, is the U.S. better prepared? 

    Hurricane forecasts have improved since Katrina, but risks from climate change and budget cuts loom.

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  8. Earth

    Another danger looms after the LA fires: Devastating debris flows

    As wildfires burn the landscape, they prime slopes for debris flows: powerful torrents of rock, mud and water that sweep downhill with deadly momentum.

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  9. Humans

    FDA cuts imperil food safety, but not how you might think

    Layoffs at the FDA, USDA and CDC could erode the U.S. food safety system. Experts aren’t so worried about milk or chicken today; they’re concerned about the future.

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  10. Science & Society

    Students’ mental health imperiled by $1 billion cuts to school funding

    The Trump administration is cutting $1 billion in grants that support student mental health. That has educators worried.

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  11. Why the FDA banned the common food dye Red No. 3

    Evidence that the synthetic dye Red No. 3 is harmful comes from studies in rats, not people. Food companies now have two years to remove it from products.

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  12. Health & Medicine

    6 things to know about antidepressants

    An abundance of data show that SSRIs, a class of drugs commonly used as antidepressants, are effective, though, like any drug, they have risks.

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