Watch NOVA scienceNOW - Season 1 Episode 5

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Episodes — Season 1
#	Title	Watch
1	Mirror Neurons, Hurricanes, Sand Dunes	Play
2	3-Foot Humans, T. Rex, Stem Cells	Play
3	Hydrogen Cars, Petunias, Glaciers	Play
4	Life in the Lab, Lightning, Fish Surgery	Play
5	Tenth Planet, Twin Primes, Bird Flu	Playing