Watch This When You're High - Stephen Hawking’s 7 Predictions of Earth’s Demise

Has there ever been a bigger curmudgeon than Stephen Hawking? Guy loved to rain on parades. 

Can't deny he knew his shit though. String theory is no joke. 

Neither is his prediction that Artificial Intelligence will be our demise. Couldn't agree more.

Keep the suggestions coming. Keep them classy. No butt stuff.