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?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
Chairless Chair
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
Petri dish containing fecal bacteria cultures.
Protein dish
PETRI DISH
Your company advertises all prices on the menu board as a final price, including HST of 13%. A ...