Search Results for: assessments
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3,585 results for: assessments
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ClimateWetland 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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EarthThe 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.
By Nikk Ogasa -
Health & MedicineAI 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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ClimateEven 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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EarthEven 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.
By Sid Perkins -
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 -
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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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 -
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 -
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 -
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 -
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