News
- Humans
DNA highlights Native American die-off
A genetic analysis points to widespread New World deaths after Europeans arrived.
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- Earth
Arctic has taken a turn for the warmer
Northern climate has changed substantially in the last five years, and the shift is probably permanent.
- Humans
Neandertals’ mammoth building project
Stone Age people’s evolutionary cousins may have constructed earliest bone structures.
- Earth
Polar ice sheets are synchronized swimmers
Glaciers in the Northern and Southern Hemispheres advance and retreat together.
