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Podcast

May 18, 2007

Researchers successfully sequenced proteins from collagen found in fossils of a Tyrannosaurus rex that was 68 million years old. (Zina Deretsky, National Science Foundation)

Grilling could take a toll on your health, smarter doesn’t equal richer, an infection could help prevent asthma, a step toward fusion reactors, and the closest living descendants of dinosaurs.

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