Joseph Seamans

Twenty-three bizarre looking vehicles line up at the starting gate of the DARPA Grand Challenge with one thing in common: there's nobody behind the wheel. Sponsored by the Pentagon's research agency, this race for robotic, driverless vehicles has a $2 million prize. Its ultimate goal is to gather new ideas for the future of unmanned warfare.

Click and Clack from NPR's Car Talk look at the future of motor vehicle transportation. New designs, new construction materials and new fuel sources are all discussed. Social and Political issues are also touched on lightly.

Using Harris' life as a lens through which they examine the 20th century African-American experience, the filmmakers present an honest image of black life in that era. Through Teenie's images, the mundane and glorious history of Pittsburgh's black communities comes forth. Teenie's work counters and disrupts many long held stereotypes and beliefs and becomes the foundation of a critical visual legacy.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.