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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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53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
1:52:46
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
53:30
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
