Tardigrades are one of the hardiest creatures on our planet.

They survive up to ten years without water, are able to survive at -271 °C in liquid helium and at +100 °C in boiling water, withstand 1000 times a higher dose of radiation than a person, and have even been in outer space! And their size is only 0.1 - 1.5 mm.
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This is how the coronavirus looks like. At the moment this is the most accurate model.
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Two Fishermen And A Boy, An Spidéal, Galway, Ireland, 31 May 1913. Original autochrome colour photo
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A child in the Volkssturm manning a machine gun, March 1945 (colourised). The Volkssturm was a national militia established by Nazi Germany during the last months of World War II, and was comprised mainly of the young and the old who were not already serving in any military unit.
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Shooting with the same camera 150 years apart
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Landing of Ilon Musk's rockets
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This process happens tens of thousands of times in just one second

Mitosis is the division of a cell resulting in two similar, genetically identical cells. It is the main tool of life for any organism
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