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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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