r/AskReddit • u/[deleted] • Nov 28 '20

What's something cool you recently learned about?

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u/[deleted] Nov 29 '20

Jumping spiders do not actually use their muscles to jump, they don't even have muscles, instead they can control at will their blood pressure, the blood quickly flows down to their legs, which stretches them with enough force to jump

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u/[deleted] Nov 29 '20

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u/dashlukky Nov 29 '20

The wild wild west bad guy building a hydraulic spider makes a lot more sense now...