/u/[deleted]'s posts in /r/askscience
If two identical twin men, both had sex with the same woman, and one had gotten her pregnant, would a test be able to tell which man one the father?
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When you listen to someone, are you repeating what they said with your inner voice to absorb the material?
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When we have our eyes open, but see an image when we imagine something, are we manually (re?)activating some part of our brain that processes visual images and plays them?
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Why can a large heavy vehicle with a large engine get the same gas mileage as a smaller and lighter vehicle with a smaller engine?
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If we suddenly lost all the trees, flowers, grass and all other natural resources that give us oxygen, how long would we have until we would run of out air with all 7 billion people on the Earth?
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I'm being told, reading without light and watching tv without light is bad for your eyes, is that so?
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