What If Spiders Were the Size of Humans?

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Eight legs, eight eyes, sharp fangs, and bullet-proof webs. They're hairy, they're scary, and now, they're human-sized. As many as 427 million people around the world suffer from arachnophobia. Are you one of them? Viewer discretion is advised.

Watch more what-if scenarios:
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Your Body:    • What If You Were Born on a Space Stat...  
Humanity:    • What If You Were the Last Person on E...  

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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure — grounded in scientific theory — through time, space and chance, as we ask what if some of the most fundamental aspects of our existence were different.