Hacker News stories for 6 AM on Monday May 20, 2013

0.508 How Did Einstein Think? comments

0.492 Bill Gates: Curing one deadly disease at a time comments

0.483 Yahoo aquires Tumblr comments

0.370 Yahoo to Acquire Tumblr comments

0.218 Tumblr Staff - Tumblr will be joining Yahoo comments

0.169 Ubuntu Linux Community: Canonical Vows to Maintain Focus comments