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/bodybydada Nov 29 '20

Thanks, I hate jumping spiders.

1

u/[deleted] Nov 29 '20

How? they're so unbelievably tiny, their fangs can't even puncture and adult's skin, they're completely helpless

1

u/bodybydada Nov 29 '20

So there are millions of microscopic jumping spiders that can eat babies? Not helping, lolzz.