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Bumpy Bones: Fossil hints that dinosaur had feathery forearms

Several knobs on a forearm bone from a 1.5-meter-long predatory dinosaur provide the first direct evidence of substantial feathers on a dinosaur that large.

Scientists first described fossils of Velociraptor mongoliensis in 1924, but the creature gained pop-culture notoriety in the 1993 film Jurassic Park. Researchers have unearthed remains of only about 20 velociraptors, and most discoveries have taken place in the past 15 years or so, says Alan H. Turner, a paleontologist at the American Museum of Natural History in New York City.

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