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“MythBusters” 8 p.m., Discovery
The team tests “Viral Videos” from the Internet.
“MonsterQuest” 8 p.m., History
Divers probe the depths of the North Pacific in an attempt to confirm sightings of a massive 20-ton octopus, a boneless horror said to be massive enough to attack and sink boats.
“Nova scienceNow” 9 p.m., WTTW-Ch. 11
Genetic research that may solve the mystery of longevity; ancient papyrus scrolls.
“Man. vs. Wild” 9 p.m., Discovery
Bear Grylls (left) survives the deadly swamps of the Deep South.
“Lewis Black’s Root of All Evil” 9:30 p.m., Comedy Central
Andy Kindler and Paul F. Tompkins debate over which is more evil, the NRA or PETA.
