Life
- Animals
Explainer: Animals’ role in human disease
Wildlife, livestock and pets are the source of most germs that can sicken people
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- Brain
Nature resets body’s clock
After a week in the wild, people went to bed — and got up — earlier.
- Brain
Full moon shortchanges sleep
Lab experiments show people’s sleep suffers for a day or so every month.
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- Fossils
Tar pit bones yield climate clues
During the last ice age, more than 12,000 years ago, many unusual creatures wandered Southern California. Some got trapped in tar pits there. Now, their preserved remains are providing scientists with clues about summer weather during that bygone era.
- Animals
Animals under Antarctic ice?
Data suggest a web of lake organisms might thrive deep under ice; scientists struggle to make sense of the new report.
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- Brain
Respecting the body’s clocks
Daily rhythms affect everything from the time we wake to how well we perform in sports.
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