The busiest shopping hour of the holiday season is between 3:00 pm and 4:00 pm on Christmas Eve.

If two pieces of the same type of metal touch in outer space, they will bond together permanently.

Richard Versalle, a tenor performing at New York's Metropolitan Opera House, suffered a heart attack and fell 10 feet from a ladder to the stage just after singing the line "You can only live so long."

AMAZING FACTS