Arts + Design
These 8 cities around the world are putting their focus on biking and walking — not cars
More than half of the global population lives in cities, and that number is projected to rise in the coming years. So how do we accommodate a growing urban population while keeping greenhouse gas emissions low? These innovative cities are leading charge by putting people first.
Copenhagener Ole Kassow launched a program to help elderly Danes get back on bicycles. Now volunteer pilots in 29 countries are taking their passengers on the road.
Biomedical engineer David Camarillo reveals how much scientists still don’t know about concussion and the brain.