The biggest dog on record was an Old English Mastiff that weighed 343 pounds. He was 8 feet, 3 inches from nose to tail.

In 2003, the Transportation Security Administration dropped a requirement that air marshals pass a marksmanship test. Some applicants were even hired after they repeatedly shot flight attendants in mock hijacking episodes.

You would weigh less on the top of a mountain than at sea level.

AMAZING FACTS