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Wednesday, July 23, 2008 |
Wednesday, July 23, 2008 |
Photo: Dinosaur Soft Tissue Sequenced; Similar to Chicken ProteinsFor one of the papers, scientists used a refined molecular analysis technique to sequence protein from the dino fossil and from a mastodon thought to be between 160,000 and 600,000 years old (bottom). Fossil photograph © Science; illustration courtesy Zina Deretsky, National Science Foundation
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