News of the WeekDevelopmental Biology

Bird Wings Really Are Like Dinosaurs' Hands

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Science  14 Jan 2005:
Vol. 307, Issue 5707, pp. 194
DOI: 10.1126/science.307.5707.194b

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Molecular studies have smoothed a wrinkle in the assumption that modern birds had dinosaur ancestors: Researchers have concluded that the three digits in bird wings correspond to the three digits in dinosaurs' forelimbs.