What's the difference between an oral and a rectal thermometer?... science seeing smelling tasting temperature Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:What's the difference between an oral and a rectal thermometer? Taste.Click for another laugh! Previous article: What do you call a cat giving another cat CPR?... Prev Next article: Knock, knock.... Next