At a robot show in Mexico City, prototypes showed off their moves to a crowd of students and tech scouts. While some robots were trained as medical aids, others performed gymnastics and sumo ... more 
At a robot show in Mexico City, prototypes showed off their moves to a crowd of students and tech scouts. While some robots were trained as medical aids, others performed gymnastics and sumo wrestling. (Nov. 13) less 
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Tue, Nov 13, 2012 1:05 PM EST