Robots

As machines grow ever more intelligent, they're emerging not just as powerful tools, but close companions. These talks -- while offering some whizzy demos -- examine how robots are becoming an intimate part of our lives.

Depending on who you listen to, drones will either save the world -- or usher in our techno-driven doom. Here, take a look at the light and dark side of drones. See exclusive articles on the TED blog.

Computers are being taught to learn, reason and recognize emotions. In these talks, look for insights -- as well as warnings.

With technical advancement comes great ethical responsibility. In these talks, amazing, life-altering feats of science make us ask: How could we mess this up?