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Latest NOVA Episodes

S44 Ep19: Extreme Animal Weapons

In this enthralling special, NOVA cracks the secret biological code that underlies nature’s battleground.

Premiere Date: October 25, 2017 | Runtime: 00:52:55

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NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.