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3,580 results

3,580 results for: assessments

  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. Paleontology

    Earth’s first waterfowl may have lived in Antarctica 69 million years ago

    A few fossilized body parts hinted at an enigmatic bird's close ties to waterfowl like ducks and geese. A newfound skull may bolster that idea.

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  9. Paleontology

    Humans, not climate change, may have wiped out Australia’s giant kangaroos

    About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.

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  10. Health & Medicine

    Ozempic and Wegovy ingredient may reverse signs of liver disease

    The diabetes and weight loss drug semaglutide reversed liver scarring and inflammation. It’s among several drugs in the works for the condition MASH.

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  11. Health & Medicine

    He made beer that’s also a vaccine. Now controversy is brewing

    An NIH scientist’s maverick approach reveals legal, ethical, moral, scientific and social challenges to developing potentially life-saving vaccines.

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  12. Plants

    Meet a scientist tracking cactus poaching in the Atacama Desert

    Botanist Pablo Guerrero has been visiting Atacama cacti all his life. They’re not adapting well to a drier climate, booming mining and plant collection.

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