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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?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.