Product Review

PBS Nova the smartest machine on earth DVD. Augmenting human intelligence is a lot tougher than it looks, but scientists are edging closer with machines like "Watson," an IBM computing system that competed on the game show JEOPARDY, taking on Ken Jennings and Brad Rutter, two of the show's most successful and celebrated contestants of all time. This program is an updated version of the original broadcast, with additional content added. 60 minutes on 1 DVD, closed captioned.