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Private Notes
Investigating whether spontaneous human combustion is possible or an urban legend.
Investigating the unexplained deaths of researchers who opened Egyptian King Tutankhamen's tomb in 1922.
Examining heroes who emerged amidst the 9/11 terrorist attacks in 2001.
Experts discuss the possibility that the Inca's vast treasure may be hidden in tunnels.
Experts project infectious diseases spread by insects could destabilize entire societies.
Investigating whether crop circles and reports of strange lights in the sky are hoaxes or celestial signs.
The Pyramids are among the largest structures ever built. Were these amazing monuments built by man alone or did they have help from aliens?
Examining hieroglyphics and "talking boards" for clues about where Easter Island's inhabitants came from 1,700 years ago.
Investigators try to separate fact from fiction regarding the Devil's Triangle and its green fog.
Theories about crop circles' origins range from microwave emissions to alien communication.
Interview with a man who was allowed into the Area 51 base as a teenage science prodigy.
Exploring age-old mysteries surrounding the Red Planet.
Examining why dinosaurs suddenly became extinct 65 million years ago.
