In Victorian London, it was theorized that diseases like Cholera…

In Victorian London, it was theorized that diseases like Cholera (which killed tens of thousands) were spread by bad-smelling air, until a scientist named Jon Snow determined water was the culprit – he became known as the father of modern epidemiology.

Photo : Rsabbatini / wikipedia

Source: Weird Facts
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Estimates say as many as 20,000 bears are kept in captivity in…

Estimates say as many as 20,000 bears are kept in captivity in China so they can be farmed for their bile. Bear bile is used in traditional Chinese medicine, though there’s no evidence it has any medicinal qualities. Up to 60 percent of the bears die from complications from the bile extraction surgery.

Source: Unbelievable Facts
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