Hurricane Wilma is already a storm for the record books--with pressures that are the lowest for any recorded Atlantic-basin storm. In this hour of Science Friday, join host Ira Flatow and guests for a look at Hurricane Wilma, the 21st hurricane of the season. Forecasters still aren't sure where it will hit; we'll get the latest predictions.

Plus, a look at searching for extra dimensions, with theoretical physicist Lawrence Krauss. Is the Twilight Zone just around the corner? Call in with your questions and comments at 1-800-989-8255 (3-4 Eastern). Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

Guests:

Paul Whelton
Senior Vice President for Health Sciences, Tulane University Health Sciences Center
Tulane University
New Orleans, Louisiana
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Jeff Halverson
NASA Scientist
Goddard Space Flight Center
Greenbelt, Maryland

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Lawrence Krauss
Author, "Hiding in the Mirror; The Mysterious Allure of Extra Dimensions from Plato to String Theory and Beyond" (Viking, 2005)
"The Physics of Star Trek" (HarperCollins, 1995)
Ambrose Swasey Professor of Physics
Director, Center for Education and Research in Cosmology and Astrophysics
Case Western Reserve University
Cleveland, Ohio

Books/Articles Discussed:

"Hiding in the Mirror; The Mysterious Allure of Extra Dimensions from Plato to String Theory and Beyond," by Lawrence Krauss. Viking, 2005.

(find books discussed on previous broadcasts)

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This segment produced by Annette Heist