Walking, self-contained, adult-size robots are commonplace in robotics labs in Japan and South Korea, but there’s only one made here. Why are we falling behind? By Jacob Ward
The world’s most sophisticated robots don’t assemble trucks or cruise around Mars. They’re designed to support our surging population of elderly and disabled citizens. Meet 10 of the most promising senior-friendly ’bots. By Corey Binns
To circumnavigate the world in a record-breaking 40 days, l’Hydroptère Maxi takes inspiration from the Wright brothers By Dawn Stover
It might seem silly to investigate whether people are happier on the weekend, but behind such truisms are revelations about our brains, our behavior and our environment By Jason Daley
In orbit, debris as small as a metal screw can cripple a vehicle or kill an astronaut. Here are five ideas for cleaning up the growing band of trash circling Earth By David Kushner
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.