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Did you know?
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).
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.


