NASA'S new budget earmarks money to keep the shuttle flying, build its replacement, and finish the space station.
But once all that is taken care of, there's not much money left in the space agency's budget for space science. Join Ira and guests in this hour for a look at NASA's budget and funding priorities for the years ahead.

Plus, evidence of recent evolution in humans. A new survey of the human genome indicates that there may be as 700 genetic variants that have undergone changes within the past 10,000 years -- a blink of an eye, evolutionarily speaking. We'll talk with one of the authors of the study about what it means for understanding evolution. Call in with your questions and comments at 1-800-989-8255 (2-3 Eastern). Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

Guests:
Wesley Huntress, Jr.
Former Associate Administrator for Space Science, NASA Headquarters (1992-98)
Director, Geophysical Laboratory
Carnegie Institution of Washington
Washington, DC

Frank Morring
Senior Space Technology Editor
Aviation Week and Space Technology
Washington, DC

Mary Cleave
Associate Administrator for Science
National Aeronautics and Space Administration
Washington, DC

Sherwood Boehlert
Representative, New York, 24th District
Chairman, Committee on Science
U.S. House of Representatives
Utica, New York

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Jonathan Pritchard
Professor, Department of Human Genetics
University of Chicago
Chicago, Illinois

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This segment produced by Karin Vergoth