News

Health & Medicine

Aspirin has selective benefit in colorectal cancer

Patients with a common gene mutation survive longer, which might enable doctors to predict who would get results from the drug.

Genetics

Cloning-like method targets mitochondrial diseases

Providing healthy ‘power plants’ in donor egg cells appears feasible in humans, a new study finds.

Climate

Gulf Stream might be releasing seafloor methane

Greenhouse gas may be flowing into ocean waters off the U.S. east coast.

Paleontology

Earliest primate had tree-climber ankles

A creature known only from fossils of its teeth gets some more parts.