News
- Anthropology
Fossil skull points to single root for human evolution
New find suggests that humankind’s origins trace to an ancient species that spread from Africa to Asia.
- 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.
