Into the wild: Animals the latest frontier in COVID fight

To administer this COVID test, Todd Kautz had to lie on his belly in the snow and worm his upper body into the narrow den of a hibernating black bear. Training a light on its snout, Kautz carefully slipped a long cotton swab ...

Hibernating for a trip to Mars, the way bears do

Hibernating astronauts could be the best way to save mission costs, reduce the size of spacecraft by a third and keep crew healthy on their way to Mars. An ESA-led investigation suggests that human hibernation goes beyond ...

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