Watch the complete July 2, 2008 broadcast of NOVA scienceNOW here. To watch any of our segments from past episodes online, go to past stories. Watch a preview Running time: 2:05
Genetic testing to assess risk factors for a handful of serious illnesses is now commercially available. But is it a good idea?Watch this segment
See how clever computer algorithms can distinguish a master fake from a masterpiece.Watch this segment
An eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.Watch this segment
By night she's a rocker. By day, she's a Harvard geneticist tracking the evolution of the human genome.Watch this segment
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