Science

Cigarettes with less nicotine may help some smokers quit

The U.S. Food and Drug Administration issued a rule to drastically reduce the am...

Survivors of the LA fires will face a complex blend of ...

Logistical needs, like employment and housing, along with psychological needs mu...

What nuclear weapons experts will watch for under Trump 

As Trump takes office, issues of arms control, the U.S. arsenal and weapons test...

Hula-hooping robots reveal the physics behind keeping r...

The gyrations of hoop-slinging robots reveal that hourglass-shaped objects are b...

Early human ancestors didn’t regularly eat meat

Chemicals in the tooth enamel of Australopithecus suggest the early human ancest...

Megadroughts are on the rise worldwide

One of the most extreme megadroughts has helped fuel wildfires in Los Angeles Co...

Ancient, engraved stones may have been buried to summon...

Members of a Stone Age culture in Denmark may have ritually buried stones to cou...

Iron Age Celtic women’s social and political power just...

Ancient DNA indicates women stayed in their home communities and married partner...

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,...

What bird flu experts are watching for in 2025

Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are kee...

A crumbling exoplanet spills its guts

Astronomers have determined the internal composition of a distant, disintegratin...

2024 was Earth’s hottest year on record, passing a dang...

Global temperatures were the hottest on record in 2024; it was the first year wh...

AI could transform health care, but will it live up to ...

AI has the potential to make health care more effective, equitable and humane. W...

How child soldiers heal after the trauma of war

For more than two decades, Theresa Betancourt has studied Sierra Leone’s former ...

How people suppress memories may be key to PTSD recovery

People who recovered from PTSD changed the way their brains handle intrusive tho...

Humans, not climate change, may have wiped out Australi...

About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses sug...