News
- Archaeology
Ancient rains made Sahara livable
New evidence indicates that seasonal rainfall more than 7,000 years ago turned Africa's eastern Sahara desert into a savannalike area that attracted an influx of foraging groups.
- Health & Medicine
Freeing Up the Flow: Clearing neck-artery blockage diminishes signs of depression in elderly
Propping open a clogged carotid artery may ease symptoms of depression in elderly people.
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Old Mice and Men: Species share genetic markers of aging
The amounts of protein produced by a particular set of genes could give researchers clues to how much a person or another animal has aged.
- Planetary Science
Jovian storms of surpassing beauty
A new near-infrared image of two giant, oval storms in Jupiter's southern hemisphere reveals that they are now brushing past each other closely, separated by only 3,000 kilometers.
