Published: August 23, 2012
Total Running Time: 00:30:00
Tardigrades, or water bears, are amazing creatures that can withstand the most extreme conditions on Earth, as well as the vacuum of space. These unique and charismatic animals have the ability to survive in a variety of situations. Learn more about tardigrades as Exploratorium scientist Karen Kalumuck explains life in extreme environments—and how it relates to the search for 'habitability' on Mars.