Robots beat humans in half marathon

At the end of a half-marathon, runners are usually wiped out. That part looked normal in Beijing. What didn't look so normal was who crossed the finish line first — a humanoid robot named Lightning.

While people slowed down and tried to catch their breath, the robots just stood there like nothing happened. No sweat. No fatigue.

And the gap was not small. The winning robot, built by Honor, finished in 50 minutes and 26 seconds. That beat the current human world record set by Jacob Kiplimo...