Researchers find dinosaur clues in fat

A team of researchers at New York Medical College has discovered why birds, unlike mammals, lack a tissue that is specialized to generate heat. A paper published April 21, 2008 in the online peer-reviewed journal BMC Biology contains the surprising implication that the same lack of heat-generating tissue may have contributed to the extinction of dinosaurs.

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<p><a href="http://www.physorg.com/news128187811.html">Researchers find dinosaur clues in fat</a></p> <p>A team of researchers at New York Medical College has discovered why birds, unlike mammals, lack a tissue that is specialized to generate heat. A paper published April 21, 2008 in the online peer-reviewed journal <i>BMC Biology</i> contains the surprising implication that the same lack of heat-generating tissue may have contributed to the extinction of dinosaurs.</p>