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/u/lurking_my_ass_off's posts in /r/askscience

Why can a human heart beat 24/7 for decades upon decades but not suffer from "soreness"?

1186 upvotes
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If we ever build a space elevator, would I be able to climb into orbit without making escape velocity?

214 upvotes
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Is it possible to blow yourself up by drinking nitroglycerin?

7 upvotes
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Does fat sit on top of muscle in people, or are humans "marbled" like steak?

1 upvotes
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Hypothetical question, could we destroy a planet with a railgun-esque setup?

1 upvotes
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Can you clone blood?

1 upvotes
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How does cauterizing a wound like an amputation fix it? How do you not die anyway?

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Could someone come out of a depressive episode by snorting cocaine?

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Working on a book idea, need to find an easily found radioactive material for plot reasons. Any ideas?

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How big would a hole through the earth need to be before it caused complete devastation?

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