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.

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Extreme Animal Weapons

Episode 44x26; Nov 22, 2017

Explore the secrets that underlie nature's battleground. Every animal has some kind of weapon, whether it's claws or horns, fangs or stings. But why are some armaments huge and extreme, far beyond any practical need?

Previous Episodes

Episode NameAirdateTrailer
44x25: Killer FloodsNov 8, 2017
44x24: Killer HurricanesNov 1, 2017
44x23: Killer VolcanoesOct 25, 2017
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