Brian Hedlund and Ariel Friel collect microbes living for tens of thousands of years in the subsurface of the earth. By studying these microorganisms, they hope to gain clues about potential life on Mars and other planets.Nov. 7, 2018
UP NEXT
Trump's 'Chinese Virus' rhetoric part of a long U.S. tradition of scapegoating
04:52
Guided by the light – The future of the internet is Li-Fi
03:07
A real-life mutant: Meet the woman who feels no pain
04:18
Cracking the code to treat blindness
08:04
Alchemy and Science: Fantastic Beasts’ real-life connection to a 14th century Parisian scribe
05:10
Could this cosmic interloper be an alien spacecraft? Neil deGrasse Tyson isn’t so sure