Will Doig is co-editor of Reasons to be Cheerful.
Major cities have signaled a commitment to curbing private autonomous vehicles, and their transportation systems are already reaping the benefits.
Before they became places to warehouse so-called problem kids, alternative learning centers were designed to help at-risk students succeed. Some are rediscovering that mission.
To change the misperception that scientists are all old white guys in lab coats, thousands of women scientists are banding together to make their voices heard.
In clinics and hospitals around the world, doctors and nurses turn household objects into medical instruments. MIT’s Little Devices Lab is giving them the tools to build even better.
All those pictures of smog-cloaked Chinese cities mask the fact that China’s cheap solar panels have fueled the world’s green-energy revolution.