/u/Double-decker_trams's posts in /r/askscience
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Different groups of humans have different skin color, eye color, hair texture, hair color, differently shaped skulls, noses, etc. Why do other animals who also have a narrow gene pool like humans look more similar to each other?
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Is the wind slower in a city surrounded by wind turbines? Wind turbines take away "energy" from the wind and convert it into electricity - isn't that correct? You cant create energy from nothing. So would storms have less severe wind speeds in such a city?
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Is an equilateral triangle more aerodynamic when moving with the "narrow" side in the front or with the "flat side" in the front? I.e does the increased turbulence offset the narrower frontal area?
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