The citrus soda 7-UP was created in 1929; "7" was selected because the original containers were 7 ounces. "UP" indicated the direction of the bubbles.

A brown dwarf is a very small, dark object, with a mass less than 1/10 that of the Sun. They are 'failed stars', globules of gas that have shrunk under gravity, but failed to ignite and shine as stars.

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.

AMAZING FACTS