It only takes a male horse 14 seconds to copulate.

The expression "Tying the Knot" comes from an old Roman custom where the brides clothes were tied up all in knots and the groom was supposed to untie the knots.

The YKK that you see on zippers stands for Yoshida Kogyo Kabushiki Kaisha which is the name of the founder of the zipper manufacturing company in Japan.

AMAZING FACTS