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Earth science

(credit: dallascityhall.com)

Dallas Researchers Chip Away At Dinosaur Bones

In the bowels of the Museum of Nature & Science in Fair Park, Tommy Diamond sat hunched over what looked like a huge boulder of plaster. He spends eight hours (or more) a day chipping away at the vertebra of an Alamosaurus.

CBSDFW.COM–11/21/2010