Monthly Archives: July 2017

These animals can survive until the end of the Earth, astrophysicists say

Tardigrades, also known as the water bear, are microscopic animals , which can survive in many extreme conditions , including space . ( Taylor Turner/The Washington Post )


Tardigrades have a reputation as the toughest animals on the planet. Some of these microscopic invertebrates shrug off temperatures of minus 272 Celsius , one degree warmer than absolute zero. Other species can endure powerful radiation and the vacuum of space. In 2007, the European Space Agency sent 3 ,000 animals into low Earth orbit , where the tardigrades survived for 12 days on the outside of the capsule.

To a group of theoretical physicists , tardigrades were the

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