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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The longest a person has survived after a heart transplant is 24 years.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).