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Psychology has shown that travel - even just thinking about other countries - broadens our minds and makes us more creative. Here, clinical psychologist Corinne Usher explains how an experiment at Indiana University showed that believing a question was posed abroad makes us think more creatively about it than if we think it was formulated by people nearby. (Photo: A Boeing 737-800 flying in the air. Credit to: Kyrre Lien/AFP/Getty Images)