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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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).
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.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Excessive alcohol use costs the country approximately $235 billion every year.