Dozens of humanoid robots whizzed past human runners in a half-marathon race in Beijing, China. BEIJING, April 19 (Reuters) - Dozens of Chinese-made humanoid robots showed off their fast-improving athleticism and autonomous navigation skills as they whizzed past human runners in a half-marathon race in Beijing on Sunday, highlighting the sector’s rapid technical advances. The race’s inaugural edition last year was riddled with mishaps, and most robots were unable to finish. Last year’s champion