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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.