Origin Of Animal Body Plans/Leptoquarks
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Last week, physicists operating a particle accelerator in Germany may have observed a rare particle that can't be explained by existing theories. In this hour of Science Friday, we'll talk about how this discovery could revolutionize physics. Plus, we'll hear from paleontologists about new research on the Cambrian explosion, a short period in evolutionary history when all the basic body plans of living animals appeared. Guests: Doug Erwin Research Paleobiologist Curator of the Burgess Shale Fossils Smithsonian Institution's National Museum of Natural History Washington, D.C. David Jablonski Professor of Paleobiology University of Chicago Chicago, IL Allen Caldwell Associate Professor of Physics Columbia University New York, NY Listeners call in
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