June 22nd, 2009
Episode 173 of 470 episodes
We know there's life in the Universe. We see it all around us here on Earth. But is there life anywhere else? By studying the extremes that life can take here on Earth, scientists are learning just how hardy and adaptable life can really be. And if you consider other ways that life might function, the options open up considerably. This week we'll discuss the study of life - extreme life here on Earth, and the possibility of finding life on other worlds.