(NEW2018) "WE ONLY HAVE 100 YEARS TO LEAVE PLANET EARTH OR HUMANITY WILL NOT SURVIVE" Said Stephen Hawking to the BBC just 2 weeks before his death. According to the famous physicist, humanity has a century left to evacuate the planet and become multi-planetary species. Before Stephen Hawking death, Hawking adjusted his doomsday timer for Earth, slashing 900 years from his initial 1,000-year estimate. Over the past century or so, humanity has accomplished a great deal of innovation. We learned