The reason firehouses have circular stairways is from the days when the engines were pulled by horses. The horses were stabled on the ground floor and figured out how to walk up straight staircases.

The term "mayday" used for signaling for help (after SOS) comes from the French "Maidez" which is pronounced "MAYDAY" and means, "Help Me."

The average person takes 23,000 breaths a day.

AMAZING FACTS