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Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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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 word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
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Video: Phases of mitosis

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