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Politics : Politics for Pros- moderated

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From: LindyBill	3/24/2005 7:29:09 PM
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Jurassic Park?: T-Rex at the cellular level austinbay.net I love John Noble Wilford’s science reports – the Tuesday “Science Times” is a weekly delight and Wilford’s work is featured prominently there. Here’s a fun story on a favorite topic, dinosaurs. Check out the pictures of the T-Rex bone framents. Here’s the exciting discovery: A 70-million-year-old Tyrannosaurus rex recently discovered in Montana, scientists reported today, has apparently yielded the improbable: soft tissues, including blood vessels and possibly cells, that “retain some of their original flexibility, elasticity and resilience. Are birds dinosaurs? Well– The scientists said that an examination with a scanning electron microscope showed the dinosaur blood vessels to be “virtually indistinguishable” from those recovered from ostrich bones. The ostrich is today’s largest bird, and many paleontologists think birds are living descendants of some dinosaurs. As for a Jurassic Park renaissance: But in a separate article in Science, Dr. Lawrence Witmer, a paleontologist at Ohio University, who had no part in the research, said: “If we have tissues that are not fossilized, then we can potentially extract DNA. It’s very exciting.”

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