Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia hypothesis. Follow SciShow on Twitter! http://www....
========== Do me a favour right nowand picture in your mind the toughest animal on earthwhatever you think it isand now imagine what that animal would do in the most inhospitable environment that you can imagineso for example if you thought of a grizzly bear on top of Mount Everestbeing attacked by a swarm of silverback gorillasyou would be wrongthat is neither the toughest animal, nor is it the most inhospitable environmentbut I thank you for the visual image, that was a good onedo you wanna what he toughest animal on earth is?well voilĂ , there you have itmy friends, it is the Tardigradealso called a water bear or a moss pigletbecause they're plump and waddly and they like to suck on mossand you may have noticed they're actually kinda cutethey're w...