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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

