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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Did you know?
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.