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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Your heart beats over 36 million times a year.