News
- Life
Animal sperm arose once
A gene governing production of male reproductive cells goes back to a common ancestor that lived about 600 million years ago, a study finds.
- Health & Medicine
Genetics may underlie some kidney failure in blacks
Gene variants that offer protection against African sleeping sickness may also put carriers at renal risk, a new study finds.
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A violent tail
The MESSENGER spacecraft finds powerful magnetic storms on Mercury, along with signs of surprisingly recent volcanic activity.
- Chemistry
Smelling the menu
Mouse breath triggers special cells in the nose that help send a safe-to-eat message.
