Emergence of Life MOOC July 2, 2014 Emergence of Life MOOC How did life emerge on Earth? How have life and Earth co-evolved through geological time? Is life elsewhere in the universe? Take a look through the 4-billion-year history of life on Earth through the lens of the modern Tree of Life. July 2, 2014 Tags Tags Emergence of Life Fouke MOOC Woese Related Articles