Even Ultra-Tough Water Bears May Be Vulnerable to Climate Change

More so than any other animal on Earth, the water bear (aka tardigrade, aka moss piglet) doesn’t particularly appreciate dying. Scientists have exposed the microscopic critters, which look like eight-legged gummy bears, to insane conditions—they’ve boiled them, frozen them, irradiated them, exposed them to the vacuum of space (rocket scientists recently crashed them into the […]