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Searching for Intelligence

Author and journalist Carl Zimmer talks about the search for the physiological and biological basis of intelligence, the subject of his article in the October issue of Scientific American magazine. And Editor in Chief John Rennie discusses other articles in the issue, including the cover story on the possibility of a big bounce instead of the big bang and the science of the World Wide Web. Plus, we'll test your knowledge about some recent science in the news. Web sites mentioned in this episode include;

October 1, 2008 — Steve Mirsky

Sun May Be an Immigrant

Computer simulations of the galaxy's formation and evolution show that the sun may have originated far from where we find ourselves today. Steve Mirsky reports

September 17, 2008

Amateurs Help Pro Astronomers Sort Galaxies

One-hundred-fifty-thousand amateur astronomers are taking part in the Galaxy Zoo project (, helping professionals sort through a million telescope images to characterize galaxies. Cynthia Graber reports

September 11, 2008

The Science of Football

As the new NFL season kicks off, science greatly impacts life on the gridiron--from rehabilitating roughed-up players to making the right play calls

September 2, 2008