News

Health & Medicine

Hopes raised for Ebola treatment

Most monkeys given dual therapy survive infection with lethal virus.

Animals

Lurking males lead to hard-to-fertilize mouse eggs

Mixed-sex society raises resistance to sperm in what may be a long-running arms race between the sexes over fertilization.

Physics

New limit placed on physics constant

An analysis of how much the fine structure constant varies with the density of matter may help scientists determine whether the parameter changes with time.

Life

Flashy drug spotlights infection

Doctors may be able to watch for invading microbes with a fluorescent antibiotic.