http://www.npr.org/templates/story/story.php?storyId=4634884 similar sounding racehorse names names racehorse names ‘The Science of Naming a Racehorse’ ‘The Science of Naming a Racehorse’ Club ‘The Science of Naming a Racehorse’ The Science of Naming a Racehorse rules that determines the Kentucky Derby racehorses' names ‘The Science of Naming a Racehorse’ ‘The Science of Naming a Racehorse’