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Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.