Stephen Hawking : Danger for Humans

Stephen Hawking in an interview with BigThink says that he's an optimist. Perhaps theoretical physicists have an idiosyncratic definition of the word. Unless the human race begins to inhabit outer space, it will disappear. If we can avoid disaster for the next two centuries, our species should be safe as we spread into space. But those two centuries might well be fraught with far more crises than ever before. Hawking is worried about the way humans are eating up finite resources and commented that our genetic code "carries selfish and aggressive instincts," which have helped humanity survive so often in times gone by. Chk out more in the video below: