Researchers in Belgium infiltrated cockroach colonies with robots in order to study their group behavior. The robots didn’t look much like cockroaches, but the roaches didn’t mind as long as they smelled right. Not only were the robots accepted as fellow cockroaches, but they became leaders and influenced the groups’ behavior! http://www.npr.org/templates/story/story.php?storyId=16328789&ps=bb1
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