News
- Paleontology
Signs of the color blue have been found in a fossil for the first time
Scientists think they’ve spotted hints of blue plumage in a fossilized bird from 48 million years ago.
- Health & Medicine
3-D mammograms are popular, but are they better than 2-D?
The use of digital breast tomosynthesis, a newer breast cancer screening technology with limited evidence, has risen in recent years.
- Microbes
Gut microbes might help elite athletes boost their physical performance
Veillonella bacteria increased in some runners’ guts after a marathon, and may make a compound that might boost endurance, a mouse study suggests.
- Archaeology
Capuchin monkeys’ stone-tool use has evolved over 3,000 years
A Brazilian archaeological site reveals capuchins’ long history of practical alterations to pounding implements, researchers say.
