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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.