NOVA scienceNOW

S1 E22005

3-Foot Humans, T. Rex, Stem Cells

Episode Synopsis

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.

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