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19603
The discovery of the early raptor Buitreraptor may resolve one puzzle of the dinosaur-bird relationship. The late-Jurassic “first bird,” Archaeopteryx, seems closely related to dromaeosaurids, yet those animals appear to have lived later, in the Cretaceous. The realization that raptors were around much earlier makes the dinosaur-bird link even clearer. John DavisJackson, Miss.
- Humans
Letters from the October 15, 2005, issue of Science News
Sun, sky, or slather? “Sun Struck: Data suggest skin cancer epidemic looms” (SN: 8/13/05, p. 99) gives the impression that the increase in skin cancer among young people is caused by tanning in the sun. Environmental factors such as ozone depletion should have at least been referenced in the article.
