The 21st Century

David McCandless turns complex data sets (like worldwide military spending, media buzz, Facebook status updates) into beautiful, simple diagrams that tease out unseen patterns and connections. Good design, he suggests, is the best way to navigate information glut -- and it may just change the way we see the world.

There’s an old joke that the original form of distance education is sitting in the back of a large lecture course. Education technology researcher George Siemens and a colleague hope that personalized learning approaches can help better connect professors and students in large classes.In a new partn