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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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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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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.