Tardigrade's are water dwelling, eight-legged micro animals (about 0.02 inches long.) that have 2 main distinctions, what are they?

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1 - Discovered in 1773, they are found everywhere from mountain tops to the deep sea and from tropical rainforests to the Antarctic.

2 - But also, they can survive many harsh conditions. Such as:

Temperatures from -458 to 300 degrees Fahrenheit;

1,000 atmospheres of pressure;

Radiation hundreds of times higher than the lethal dose for humans;

The vacuum of space;

And, can live for 30 years without food or water.