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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Did you know?
The average adult has about 21 square feet of skin.