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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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?
The human body produces and destroys 15 million blood cells every second.