These Gummy Bear-looking things will inherit the earth

Tardigrades, also known as water bears, are microscopic animals that live basically everywhere on earth, from the hot springs atop the Himalayas to the icy tundra of Antarctica to —almost certainly —your backyard.

A single-cell breakthrough

The human gut is a remarkable thing. Every week the intestines regenerate a new lining, sloughing off the equivalent surface area of a studio apartment and refurbishing it with new cells. For decades, researchers have known ...

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