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According to the BBC, researchers in the UK have essentially invented for themselves what might be the greatest job in the world: ticklin' for science. Their focus has been on how gorillas at a local wildlife park vocalize in response to some well-placed fingertip rub downs in order to learn more about how laughter may have evolved in humans. What they found were more similarities than differences, says Dr. Marina Davila-Ross of the University of Portsmouth.
