Stephen Hawking on the ways humanity could destroy itself http://boingboing.net/2016/01/19/stephen-hawking-on-the-ways-hu.html …pic.twitter.com/SGZg1JzNXV
8:13 AM - 19 Jan 2016
1 reply
9 retweets
14 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.