/r/askscience
How much methane is likely to be released by the melting of permafrost due to Global Warming, and what are the likely impacts of this (how bad will the effects be)?
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Why is it that when you have a cold, one of your nostrils is blocked, and when it finally clears, the other one blocks?
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Is Africa's large number of endemic diseases related to the idea that humans most likely evolved there?
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If the digestive process takes 24-72 hours, why do we feel sick/have diarrhea seemingly immediately after eating "bad" food?
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Do woodpeckers have physiological adaptations that protect their brains from the repeated impact events as they peck?
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Of the non-radioactive elements, which is the most useless (i.e., has the FEWEST applications in industry / functions in nature)?
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