/u/dunaan's posts
Why did humans evolve to have offspring that take several years to become self-sufficient while so many other animals have young that can survive on their own after a much shorter time?
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Why does the human diet generally involve cooked or otherwise altered foods when no other species seem to have analogous processes for their diets? And what theories are there for why we developed this way in the first place?
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A room has only a single door access. There is no ventilation leading into it. It is attached to a well air conditioned building. Will this room best be cooled by a fan blowing cold air through the door into it or blowing hot air out of it? Why?
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What leaves a bigger environmental footprint: writing a note to oneself on a PostIt or texting a digital note to yourself on a smartphone?
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I just read that the coldest known star is a brown dwarf that is no hotter than a hot cup of coffee -- what would happen if you put some of it in your mouth?
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