/u/wanabeswordsman's posts in /r/askscience
Has humanity's influence affected the evolutionary path of a species, other than through extinction and selective breeding?
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As I understand it, a slit wrist can't be healed and is basically a death sentence, but people can survive having their hand cut off completely. What's the difference between the two, or am I just completely mistaken?
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What changes in a cigarette cherry (the lit part) so that it stays together so well until it burns out and turns to ash?
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I know smoking is bad for your health, but which is worse: taking a lot of small drags, or fewer big ones?
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