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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.