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15 of the biggest scientific hoaxes

By: Bryan Nelson on July 26, 2010, 12:15 p.m.
Body of an "alien" lies on the autopsy table

Photo: Jeremy Burgin/Flickr

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Alien autopsy

In the 1990s, a short film surfaced that purported to be real footage of an alien autopsy performed on an extraterrestrial being that crash landed in Roswell, N.M., in 1947. The film was sold to television networks and broadcast around the world in as many as 32 countries. Fox television was the first to broadcast it in the U.S. in 1995.

It was not until 2006 that the film's producer, Ray Santilli, admitted that the film was not authentic, though he still contends it was based on real footage. The alien in the film was apparently made of casts containing sheep brains, raspberry jam and chicken entrails.