News

Tech

Facebook ‘likes’ can reveal users’ politics, sexual orientation, IQ

With data from thousands of volunteers, researchers connect social media activity to personal traits.

Humans

Ancient people and Neandertals were extreme travelers

Stone Age folk were built for journeying farther than even the most active individuals today.

Neuroscience

Heavy drinkers get extra brain fuel from alcohol

Compared with the brains of light drinkers, the brains of heavy alcohol drinkers burn acetate better.

Chemistry

Caffeine’s buzz attracts bees to flowers

Nectar of some blooms carries the drug, which improves bee memory.

Life

Alga borrows genes to beat the heat, acid and toxic metals

Such genetic theft from bacteria and archaea is unusual among eukaryotes.