
Better understanding of the sense of smell inspires research into everything from whales to electronic ‘noses’

Sugar-free sweeteners fool the body’s internal computer

Tests show that older adults have a distinct odor, but it isn’t bad

Imaging reveals brain regions that become active when you want someone else’s stuff

Anesthetics can put you in a coma — but that’s a good thing

Before they start talking, babbling babies ‘read’ mouths

Top athletes watch and learn from their teams, coaches and opponents

A new experiment shows how rodent brains respond to the drug