7 books recommended for summer by Bill Gates

A couple of days ago, Microsoft co-founder published a blog-post entitled “Beach Reading (and More)”, which enlists a collection of books recommended for reading during summer times.

Bill Gates makes water out of waste

At least 2 billion people, use latrines that aren’t properly drained. Others simply defecate out in the open. The waste contaminates drinking water for millions of people, with horrific consequences: Diseases caused by poor sanitation