/u/peniscockdickboner's posts in /r/askscience
848 upvotes
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How long could your average person live on nothing but water and daily multivitamin supplements? How much of a difference would it make compared to water alone?
308 upvotes
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If you had two scales sensitive enough to measure the inertial force of light, one with a mirrored surface and one with a black surface, and you shine a lamp on both, would one register more weight than the other?
277 upvotes
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Could a sufficiently cold planet have real, flowing, liquid rivers of matter that is usually gaseous on our planet, such as nitrogen?
14 upvotes
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Why can we only see light after it bounces off something or when it is at the source of the light? Why don't we see light energy as a sort of mist?
6 upvotes
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It seems like most male animals are driven to reproduce as much as possible, so why are human males so commonly unable to orgasm more than once in a (relative) while?
5 upvotes
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Why is light the only kind of radiation we can see, and are there any animals that see exclusively in a different kind?
4 upvotes
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I know how eyes get their color, but why do they have color? Are there any specific evolutionary advantages of having one color over another?
4 upvotes
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If the universe is truly infinite, and there are infinite earths existing in it, is every potential multiverse-earth possibility also currently existing in every individual universe?
2 upvotes
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2 upvotes
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