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Did you know?

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.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

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Compressing the breast between plates provides a better image of breast tissue. Regular mammograms ... Compressing the breast between plates provides a better image of breast tissue. Regular mammograms ...
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Video: ribosome

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