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HumansLetters from the September 3, 2005, issue of Science News
Pick of the crop “Honey, We Shrank the Snow Lotus: Picking big plants reduces species’ height” (SN: 7/9/05, p. 20) suggests that the change is an evolutionary process. However, this and the other examples given are all more selective breeding than natural selection. In this case, organisms with undesirable characteristics (smaller size) are overrepresented during […]
By Science News -
HumansMovies 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.
By Nathan Seppa -
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.