The paint is barely dry, yet edX, the nonprofit start-up from Harvard and the Massachusetts Institute of Technology, has 370,000 students this fall in its first official courses.
The History of Architecture, a free course that recently debuted on iTunes. Taught by Jacqueline Gargus at Ohio State, the course features 39 video lectures that collectively offer a classic survey of Western architecture. We begin in Ancient Egypt, Greece and Rome, laying the conceptual foundations for what's to come.