Stephen Hawking's FOUR Warnings before dying

Stephen Hawking's final warning to humanity: Legendary physicist believed we must leave Earth in the next 200 years or face EXTINCTION Professor Hawking believed life on Earth could easily be wiped out Dangers include asteroids, AI, over-population and climate change Making contact with aliens and human aggression could also spell the end Future generations must forge a new life in space if we want to survive, he said #stephenhawkings #warning #sciencemodernera