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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?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.