News
- Humans
Movies put smoking in a bad light
Smokers in American films are more likely to be villains than heroes, a review of movies from the 1990s shows.
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Chimps ape others to learn tool use
Chimpanzees appear to develop traditions of tool use by copying one another's behavior and conforming to a successful approach.
- Earth
Can polluted air cause birth defects?
For the second time, scientists have found evidence suggesting that prenatal exposure to air pollution may cause certain birth defects.
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People with malaria attract more mosquitoes
The protozoan causing malaria may facilitate its own spread by making people more alluring to mosquitoes.
