/u/MississippiJoel's posts in /r/askscience
If the Earth reaches a 4% increase in global warming, what lifestyle changes will allow humanity to survive?
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If a sword with a blade exactly 1 atom wide was swung through someone's neck, could that person survive?
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Since an electric current can break water down into its components, would it be possible to replace a SCUBA tank with a device that pulls oxygen from the environment?
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Is there, or could their theoretically be, an aerophobic surface in the same way there are hydrophobic ones?
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Even while making allowance for such good faith efforts to save the planet as we saw recently in Paris, how much longer does humanity have to colonize space before we are past the point of no return to be able to survive as a species?
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