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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 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.