The 7 Worst Epidemics in Human History

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Cholera

The first cholera pandemic began in 1816. The spread of a terrible intestinal infection at that time was promoted by heat, water pollution and mass crowding near rivers. It is noteworthy that outbreaks of cholera are still occurring in some parts of the world. One of the last is the outbreak of cholera on the island of Haiti in 2010, which claimed about 800 thousand lives.

ANIMALS 7 Most Dangerous Jellyfish in the Underwater World

7 Most Dangerous Jellyfish in the Underwater World

Jellyfish is a unique underwater creature that is 95% water and only 5% solids. We are accustomed to being surprised at the beauty and heterogeneity of the jellyfish's body, but we often forget that behind the eccentric external appearance there is a huge danger in the form of the strongest poisons that can kill a person in a matter of seconds. In today's selection, we will sanctify 7 of the most dangerous, but rather cute jellyfish, which should not be approached even for the sake of a beautiful photo ...