Search Results for: assessments
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3,580 results for: assessments
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Artificial IntelligenceAre 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.
By Sujata Gupta -
EarthAnother 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.
By Nikk Ogasa -
Earth20 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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HumansFDA 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.
By Meghan Rosen -
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.
By Meghan Rosen -
Science & SocietyStudents’ 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.
By Sujata Gupta -
Health & Medicine6 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.
By Meghan Rosen and Laura Sanders -
PaleontologyEarth’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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PaleontologyHumans, 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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Health & MedicineOzempic 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.
By Meghan Rosen -
Health & MedicineHe 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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PlantsMeet 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.