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The longest a person has survived after a heart transplant is 24 years.
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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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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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The horizontal fraction bar was introduced by the Arabs.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.