/u/Me_for_President's posts in /r/askscience
Why does the color of an object appear to change hue based on its luminance, and how does our brain seem to know this is the "wrong" color for it?
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How long would objects like Philae or the Voyager probes exist for under normal circumstances? Asked another way, how much does space "weather" or corrode man-made objects?
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How do nerves encode intensity? For example, that something is getting warmer, that something is very cold, hard pressure, etc?
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If a fossil is reworked into a different layer of rock, how would we know that it's moved as opposed to having found a problem with dating methods?
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Why does the brain alert itself to something (e.g. an itch) but not necessarily do the corrective action (i.e. scratch it)?
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Do instinctual or automatic behaviors have the same neurological structure as a memory or learned behavior would?
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Statistics: If we've never surveyed one million people on a particular topic, how do we know that some tiny sample of them is representative of the whole?
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