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8 reasons tardigrades are the weirdest, most resilient animals

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Tardigrades — also known as water bears or moss piglets — are microscopic lifeforms that live in some of the most extreme environments imaginable.

SEBASTIAN KAULITZKI/SCIENCE PHOTO LIBRARY/Science Photo Library/Getty Images

Tardigrades live in conditions so hostile to life as we know it, that they may offer a glimpse at how life could flourish on other planets.

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