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Picky Eaters, Capturing Carbon, Sea Lions and Walruses (4x4)

Data di messa in onda: Lug 21, 2009

Discover why picky eaters may have a genetic excuse, learn about a new strategy for capturing carbon dioxide from the atmosphere, see just how intelligent marine mammals can be, and meet a biomedical engineer who has figured out a way to make tiny livers in her lab.