Comet Ikeya-Zhang/ Synaptic Self/ Joseph Ledoux


Guests:

Joe Rao
* Meteorologist, Astronomer
* Author: Spacewatch Friday (for Space.com); Sky Watch (for New York Times)
* Levittown, New York

Joseph LeDoux
* Author: Synaptic Self: How Our Brains Become Who We Are (Viking, 2002); The Emotional Brain: The Mysterious Underpinnings of Emotional Life (Simon and Schuster, 1997)
* Neuroscientist, Professor of Science, Center for Neural Science
* New York University
* New York, New York

Michael Mann
* Professor, Department of Environmental Science
* University of Virginia
* Charlottesville, Virginia

In animals, fear is a behavior that's both innate and learned. A rat will freeze at the sight of its very first cat...and can be taught to freeze when there's no cat in sight. What controls these responses? Is it the same in humans? In this hour of Science Friday, we'll talk with neuroscientist Joseph LeDoux about his new book Synaptic Self: How Our Brains Become Who We Are. Plus...what tree rings can tell us about climate. And look, up in the sky, it's the comet Ikeya-Zhang.

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