News
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Orangutans hand it to researchers
Orangutans try to communicate by gesturing when they think they're being misunderstood, much as people do when playing charades.
- Earth
Lack of oxygen stunts fish reproduction
Seasonal oxygen shortages in coastal waters, increasing in severity because of pollution, may impair fish reproduction.
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Virus thrives by hiding
Some viruses create cocoonlike refuges in the cells they invade, shielding them from the cell's defense mechanisms.
- Anthropology
Men’s fertile role in evolving long lives
The ability of men 55 and older to father children may have had evolutionary effects that caused both sexes to develop longer lifespans.
