MIT

It’s an essential insight about our world: Innovation drives economic growth. For the U.S. to thrive, it must keep innovating. But how, and in what areas? A new book co-authored by MIT faculty members focuses on key areas where technology advances can drive the economy and support national security. Semiconductors, biotechnology, drones, quantum computing, and advanced manufacturing — are all built on U.S. know-how, but these are also areas where the country could be falling behind.

A new study of free, online college courses says that growth fell short of early expectations, as well as a pattern among users: mostly college-educated, including a surprising number of teachers.