News
- Physics
Hula-hooping robots reveal the physics behind keeping rings aloft
The gyrations of hoop-slinging robots reveal that hourglass-shaped objects are best at keeping a hoop in the air.
- Life
Early human ancestors didn’t regularly eat meat
Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.
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Megadroughts are on the rise worldwide
One of the most extreme megadroughts has helped fuel wildfires in Los Angeles County and elsewhere in California.
- Planetary Science
A crumbling exoplanet spills its guts
Astronomers have determined the internal composition of a distant, disintegrating planet for the first time.
