News

Neuroscience

Sunbathing may boost endorphins in the body and brain

UV light makes mice churn out a molecule that is a cousin of morphine and heroin, a finding that may explain why some people seek out sunshine.

Environment

Triclosan may spoil wastewater treatment

Common antimicrobial could make microbes more drug resistant and less efficient at breaking down sewage sludge in municipal treatment plants.

Physics

Supercooled liquid water hits record low

Weird supercooled water well below its freezing point viewed with ultrafast laser.

Psychology

Children negotiate taking turns surprisingly early in life

Five-year-olds can coordinate decisions with others in a fair way, even when each child has conflicting interests.