We have gone a long way in six million years. From living in caves to skyscrapers and airplanes but are we a threat to ourselves? Physicist Michio Kaku thinks that we live in danger times as a civilisation but that we are also lucky at the same time. Our transition from a type 0 civilization to a type 1 brings many dangers but also brings many marvelous things.
Check out the video below and see what Michio Kaku has to say about all of this.