News
-
AnthropologyHuman brains rounded into shape over 200,000 years or more
Ancient humans’ brains slowly but surely became round, scientists say.
By Bruce Bower -
GeneticsBaby macaques are the first primates to be cloned like Dolly the Sheep
Scientists have cloned two baby macaque monkeys with the same technique used to clone Dolly. The research could help advance the cloning of other species.
By Dan Garisto -
Materials ScienceNew device can transmit underwater sound to air
A newly created metamaterial takes a shot at solving the problem of hearing underwater sounds from the surface.
By Dan Garisto -
AstronomyStars with too much lithium may have stolen it
Some small stars have extra lithium before they grow old, suggesting they get extra amounts of the element from an external source.