WHO says 99% of world's population breathes poor-quality air

The U.N. health agency says nearly everybody in the world breathes air that doesn't meet its standards for air quality, calling for more action to reduce fossil-fuel use, which generates pollutants that cause respiratory ...

On the road to cultured meat for astronauts (and Earthlings)

Cultured meat could be a game changer for the environment, food security, human health and animal welfare. But some challenges prevent it from reaching its full potential. Now ESA is supporting researchers to explore the ...

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 ...

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