Freeze 'em, heat 'em, blast them into empty space; with survival skills unlike any other organism on the planet, those hardy critters known as tardigrades will only come back for more. While it's clear their ability to withstand stress is in part due to their ability to turn their insides into gel, the mechanisms behind this act of metabolic preservation haven't yet been made clear. A new study led by researchers from the University of Wyoming found that expressing key tardigrade proteins in hum...