Nova Sciencenow 22 Obesity

Summary

As Americans grapple with ever-increasing waistlines, science is looking at the biology behind the compulsion to eat. How does sleep affect a surgeon's learning and performance? Could food scientists help us enjoy our food more — without packing on the pounds? Once we find a planet that has Earth- potential, how can we tell if there is life on it? Harvard astrophysicist Lisa Kaltenegger ... Premieres Wednesday October 10th at 10PM/9c on Two teams of spacewalkers take on unprecedented challenges to repair the world's most beloved telescope on Saving Hubble ... Bonnie Bassler has been called the "Bacteria Whisperer," and even if she doesn't speak directly to microbes, she is passionate ... See inside Einstein's brain, learn how to boost your memory, meet people who became savants after an injury, and more. Researchers from the University of Cambridge have discovered a novel genetic cause of severe Premieres Wednesday, January 26, 2011 at 8PM on most