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Computer scientist Jason Leigh may achieve immortality by creating an avatar of himself. 09:29
Vision as we know it remains elusive for machines. 03:43
Full Program: Astronomers on the brink of finding “another Earth” in our galaxy, using a new planet-hunting machine: the Kepler telescope; Rudy Tanzi, a pioneer in discovering genes for Alzheimer’s disease, and... 52:19
Full Program: Pulitzer Prize-winning author Jane Smiley has written on such topics as politics, impulse buying, farming and marriage. She now adds to that list: John Atanasoff, the Iowa State University physics... 58:27
A computer named Watson is the latest contestant in machine v. human battles. 13:11