Cats have over one hundred vocal sounds, while dogs only have about ten. Camel's milk does not curdle. An animal epidemic is called an epizootic. Murphy's Oil Soap is the chemical compound most commonly used to clean elephants. The United States has never lost a war in which mules were used.
All porcupines float in water.
Cat's urine glows under a blacklight. The reason firehouses have circular stairways is from the days of yore when the engines were pulled by horses. The horses were stabled on the ground floor and figured out how to walk up straight staircases. They actually pass out from sheer terror. That is why your TV set has channels 2 and up, but no channel 1.