/r/askscience
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How can people sever entire legs and survive the blood loss, while other people bleed out from severing just one artery in their leg?
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Antarctica is defined as a desert, due to lack of precipitation. So where does all the 1-3 mile thick layers of ice and snow come from?
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Proxima Centauri, the closest star to the Sun is 4.85 billion years old, the Sun is 4.6 billion years old. If the sun will die in around 5 billion years, Proxima Centauri would be already dead by then or close to it?
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Is there enough genetic material left in a loaf of bread to trace it back to the wheat plants used to make it?
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