TIL that a creature known as a "Tardigrade" has survived all five mass extinction events.

http://tvblogs.nationalgeographic.com/2014/03/19/5-reasons-why-the-tardigrade-is-natures-toughest-animal/



Submitted January 24, 2015 at 08:00AM by iStar08 http://www.reddit.com/r/todayilearned/comments/2th36x/til_that_a_creature_known_as_a_tardigrade_has/