/u/SlowChurch's posts in /r/askscience
Whenever I scratch an itch on one side of my body I have to scratch the same spot on the opposite side even though it doesn't itch. Does anyone else do this? If so, is there an explanation?
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Whenever I scratch an itch on one side of my body I have to scratch the same spot on the opposite side even though it doesn't itch. Is there a psychological or physiological reason for this?
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Whenever I scratch an itch on one side of my body I have to scratch the same spot on the opposite side even though it doesn't itch. Is there a psychological or physiological reason for this?
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Since even light can take while to cross the universe, distant objects are seen as they would have been thousands and even millions of years ago. Is it possible to send a probe deep into space to observe and record Earth's past?
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Since people can only really know 150 individuals (the so called monkey circle), does knowing a lot about celebrities or fictional characters to the point that we "know them" affect this number?
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