Lamb Clone/Asteroid Evidence

Scientists in Scotland stunned the world this week with the announcement that they created a lamb from the DNA of an adult sheep. In this hour of Science Friday, we'll look at some of the latest science news, including the science that led to the lamb clone and the latest evidence that an asteroid caused the mass extinction on our planet 65 million years ago. Guests: Grahame Bulfield Director, The Roslin Institute Edinburgh, Scotland Paul Raeburn Senior Editor for Science and Technology Business Week New York, New York Richard Norris Research Scientist Woods Hole Oceanographic Institution Woods Hole, MA Peter Schultz Professor of Geology Brown University Providence, Rhode Island Listeners call in

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