How many flies does it take to... aircraft insect machines numbers science Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:How many flies does it take to screw in a lightbulb? 2 but how'd they get in there?Click for another laugh! Previous article: What is John Wilkes Booth least favorite... Prev Next article: Why do Germans dislike sausage dogs?... Next