World's Greatest Mysteries - Sydney Morning Herald
http://www.smh.com.au/tv/series/show/worlds-greatest-mysteries/crop-signs-5000568.htmlAre crop circles found all over the world elaborate hoaxes or complex messages from extraterrestrials? Watch the evidence and then decide. What really killed the dinosaurs? The impact of a giant asteroid? The fossil record may point to a different kind ...
Submitted in section: Paranormal news 2014: World's Greatest Mysteries - Sydney Morning Herald