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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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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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There are 20 feet of blood vessels in each square inch of human skin.

Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
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Five layers or sheaths called koshas in Ayurvedic philosophy. Five layers or sheaths called koshas in Ayurvedic philosophy.
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Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources
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