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Featured segments include: the discovered remains of three-foot-tall humans on the island of Flores, a look at how T. Rex got to be so big, a profile of nanotechnologist Naomi Halas, the issues surrounding stem cells, and the yearly freeze and thaw cycle of the common wood frog.
First Air Date : Jan 25, 2005
Last Air date : Nov 14, 2012
Episode : 40 Episode
Season : 6 Season
Runtime: 55:60 minutes
Studio: PBS
Country: United States of America
