News

Neuroscience

Hormone hampers effects of marijuana

Study of pot-blocking brain chemical in rodents could lead to new treatments for cannabis addiction.

Astronomy

Relic of early universe found nearby

A galaxy little changed since the dawn of the universe shows up in our celestial neighborhood.

Animals

Smoker’s breath saves caterpillars’ lives

Larvae of the tobacco hornworm caterpillar exhale nicotine, driving away predatory spiders.

Health & Medicine

Vitamin E might limit Alzheimer’s decline

A trial of vitamin E in elderly veterans with Alzheimer’s shows promise for those in the early stages of the disease.