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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.