News

Animals

Bird mimicry lets hustlers keep cheating

Drongos are false alarm specialists that borrow other species’ warning sounds and freshen up their fraud.

Neuroscience

Humans can sniff out gender

A new study adds to controversy of whether people have pheromones.

Health & Medicine

With help from pig tissue, people regrow muscle

Noncellular material implanted in patients attracts stem cells to fix injuries.

Psychology

Babies learn some early words by touch

Tactile cues provided by caregivers give infants a leg up on learning words for body parts.

Climate

Glacial microbes gobble methane

While some bacteria produce methane in Greenland’s melting ice sheet, others may consume the greenhouse gas as it escapes.