Tardigrade Tales: The toughest critters on the planet

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These minuscule critters are among the toughest animals on our planet, and are largely indestructible owing to their ability to enter a state of deep suspended animation. They are thought to be one of the only species to have survived all five major extinction events, can withstand the crushing forces at the bottom of the ocean, and can get by without food, water or oxygen.

Tardigrade Tales: The toughest critters on the planet

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