Sharks and rays are the only animals known to man that don't get cancer. Scientists believe this has something to do with the fact that they don't have bones, but cartilage.

In the Durango desert, in Mexico, there's a creepy spot called the "Zone of Silence." You can't pick up clear TV or radio signals. And locals say fireballs sometimes appear in the sky.

Profanity is typically cut from in-flight movies to make them suitable for general audiences. Fox Searchlight Pictures has substituted "Ashcroft" for "A**hole" in the movie Sideways when dubbed for Aerolineas Argentinas flights.

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