Physicist Stephen Hawking says the chances of disaster ending earth could rise to a near certainty in thousands of years.
According to Hawking, the human race faces one it’s most dangerous centuries. Progress in science and technology becomes an ever greater threat to our existence. We face a number of threats these days like nuclear war, global warming and genetically engineered viruses. According to him it will still take more than a century to set up colonies in space where human beings could live on among the stars.
He warns that we need to be very careful over threats stemming.