NOVA

Season 7 Episode 12

Living Machines

Aired Wednesday 9:00 PM Feb 05, 1980 on PBS
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Living Machines
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"Why is grass green, and why do giraffes have long necks?" Natural engineering and adaptation take center stage in this episode of NOVA. Producers how explore plants and animals have changed throughout the years and how they acquired their natural designs. The episode also profiles extinct animals and the reasons why they didn't survive over time.moreless

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