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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Cyanide works by making the human body unable to use oxygen.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.