The Inexplicable Universe: Unsolved Mysteries
Inexplicable Life
S1 E3:
Why was Jupiter believed to be a good environment for life in the 17th century? Why is there only one "tree of life" on Earth instead of multiple ones? How do extremophiles help scientists study life's genesis? Could life have come to Earth from another planet? And what do we mean when we hope to find examples of life that is "intelligent"?