Origins: The Journey of Humankind S1, E3

Our primal curiosity has sparked new inventions and revealed the mysteries of the universe. This eight part mini series strives to trace the pivotal innovations that make us modern.

Cast:Jason Silva , Mark Monroe , Greg Kriek , Chris Fisher , Joe Vaz , Adam Neill , Vere Tindale , John Hedgecoth , Brian Fagan , Amanda Foreman , Jamie-Lee Money , Liza Scholtz , Kai Luke Brummer , Dan Hirst , Loulou Taylor , Bill Bryson , Mark Elderkin , Nathan Lynn