Martian Soil Is Deadly. And That's Why It Might Support Life.

Transcript

Thank you to The Economist for supporting PBS.  The tardigrade, the water bear, the moss piglet, capable of surviving extreme drying, freezing  heat, radiation, the vacuum of space, maybe even asteroid impact. And who knows,  maybe some tardigrades have hitchhiked on impact ejector to Mars. And according to a new  study, the tardigrade can survive ... Read More