It's Okay to Be Smart

20 MILLION Year-Old Spider!! Unweaving Spider Silk 🕷

Season 5 Episode 8 | 7m 14s Video has closed captioning.

Living things have engineered some pretty awesome materials, but I’m not sure anything measures up to spider silk. It’s as strong, as stretchy, and as resilient than even humans’ most advanced creations like Kevlar and steel. So how do these awesome arachnids weave such an incredible substance using nothing but their rear ends?

Aired: 12/21/17

Rating: NR

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Problems Playing Video? | Closed Captioning

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