News

Health & Medicine

Brain stimulation alters depressive symptoms in mice

The findings may point the way toward more targeted treatments for depression in people.

Life

Feces study gets the poop on gorillas’ diet

Chemical traces in animals’ droppings reflect shifts in recent food consumption.

Humans

Lines in the sand may have been made for walking

The ancient Nazca culture’s celebrated desert drawings include a labyrinth meant to be strolled, not seen.

Planetary Science

Violent past revealed by map of moon’s interior

A gravity survey by twin orbiters reveals how much the lunar surface was pummeled by meteorite impacts early in its history.