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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).
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.