News
- Earth
Earth’s deep interior holds vast reservoir of water
Ocean’s worth of water trapped in Earth’s mantle, lab experiments and seismic data suggest.
- Life
Dinos straddled line between cold- and warm-blooded
Tyrannosaurus rex and other dinosaurs straddled line between cold- and warm-blood, a new analysis finds.
- Genetics
Chimp and human lineages may have split twice as long ago as thought
New estimates of chimpanzee mutation rates suggest humans and chimps last shared a common ancestor 13 million years ago.
- Health & Medicine
Number of skin moles tied to breast cancer risk
Women who have many moles also have increased disease risk, which may reflect higher estrogen levels.
