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Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.