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NOVA
Evolution: Body Builders
Season 53
Episode 15
From the first time two cells stuck together, evolution has been crafting new bodies—biological machines then put to the test by Earth's ever-changing environments. Discover the process behind the incredible variety of animal shapes and sizes.
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52:31
What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
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53:31
Journey back to the beginning of everything: the universe, Earth, and life itself.
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50:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
51:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
53:50
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