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Noah talks to Marc Levoy, a computer scientist at Stanford University, who spent a year scanning Michaelangelo sculptures in Italy. He discovered that the eyes in the famous David sculpture are looking in two different directions. He says Michaelangelo used this "trick," so David could have a typical Roman profile from one perspective.

Alex talks to Alston Chase, author of a cover story in this month's Atlantic Monthly magazine about Ted Kaczynski, the Unabomber. Chase says that while he was an undergraduate at Harvard, Kaczynsky participated in a psychological experiment that would be considered unethical by today's standards, and probably turned him into the Unabomber.

Deborah Willis, a photographer and recent MacArthur Fellow takes Sharon on a tour of Reflections in Black. Willis is curator of the exhibit, a comprehensive collection of images by Black photographers from 1840 to the present. The collection of 300 pictures is on view at the Smithsonian and a companion book of over 600 photographs was published this year. Willis has spent more than 20 years archiving and presenting the work of photographers throughout the African diaspora.(Reflections In Black, A History of Black Photographers, 1840 to the Present, Norton; 2000; ISBN: 0-393-04880-2)

Annie Cheney reports on one of the few urban therapeutic riding programs in the country. Once a week, several disabled New Yorkers meet at the Claremont Riding Stable for an hour of physical therapy on horseback. For some, it's a chance to move without wheelchairs...for others, it's a chance to re-connect physically with the world.

NPR's Joanne Silberner reports that public health officials in New Jersey are taking precautions to protect residents of the state against the spread of West Nile virus, which is carried by mosquitoes. The disease is spread from birds, such as crows, to humans, who may or may not be aware they've been infected. Symptoms range from headaches to coma, and, in some cases the virus can be deadly.

Barbara visits a local hospital, and talks to men who are about to become fathers for the first time. She talks to them as they wait for their wives to have their babies in the Birthing Center at Columbia Hospital for Women, in Washington DC.

Kate Seelye reports on the birthplace of Syria's late President Hafez Al Assad, the small town of Qurdaha. Residents experienced considerable progress during Assad's lifetime. They hope Assad's son, Bashar, will be Syria's next President, because he's likely to continue to give the town favorable treatment.

Alex talks with Robert Shipp of the Marine Science department at the University of South Alabama about a recent and rare bull shark attack on the Gulf Coast of Alabama.

Commentator Mario Livio says since the 16th century, human beings have learned much about the universe, helping us realize our own insignificance. But at the same time, says Livio, it is those very discoveries that have given the Earth importance.

Prices have been climbing at the fastest pace in over a decade, as Americans pay more for gas, groceries and other items. The Labor Department issues its latest data for the month of August.