In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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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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On average, the stomach produces 2 L of hydrochloric acid per day.
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There are 20 feet of blood vessels in each square inch of human skin.
False killer whales
True Friendship
Masaccio, The Tribute Money.
Cost of Copying for the Follower Country
Cost Accounting: A Managerial Emphasis 16th Edition