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Aiding and Abetting: A longevity gene also promotes cancer
A gene that normally helps cells overcome stress can also promote cancer, perhaps offering a new target for cancer treatment.
- Anthropology
Walking Small: Humanlike legs took Homo out of Africa
Newly discovered fossils, 1.77 million years old, show that the earliest known human ancestors to leave Africa for Asia possessed humanlike legs, feet, and spines, but strikingly small brains and primitive arms.
- Math
The Essence of Group Conflict
Eruptions of open conflict between ethnic or religious groups have a lot to do with the way communities are geographically distributed.
- Humans
Letters from the September 22, 2007, issue of Science News
Personnel question In “E-Waste Hazards: Chinese gear recyclers absorb toxic chemicals” (SN: 7/14/07, p.
