If you're going to try "tattooing" a microscopic animal, it would make sense to select one of the toughest creatures on the planet. That's exactly what scientists have done with the tardigrade, and ...

Tardigrades, often referred to as “water bears” due to their bearlike appearance, are among the most remarkable creatures on Earth. Though tiny — measuring between 0.3 to 0.5 millimeter (about .01 to ...

I last wrote about extremophiles—creatures that thrive in environments that are extremely hot, cold, salty, acidic, alkaline, radioactive, and so forth—not just because these critters are interesting ...

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