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How to Survive the Freezing Cold
Maybe you were skiing and had an accident or maybe the power went out in your home during the winter. Now you have to find a way to survive the extreme cold.
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How Bicycles Work
Lance Armstrong has won yet another Tour de France, breaking the cycling record for consecutive victories in that race. Bicycles are incredibly simple machines, and the "inner" workings are right out in the open for you to see. Find out how all those parts work together.
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