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Secrets of the Dead
Muography Helps Scientists See Inside the Great Pyramid
Scientists used an unprecedented imaging technique called muography to create an internal scan of the Great Pyramid of Giza. See how it works. Muography is the process of recording the trajectories of sub-atomic particles known as muons to form images. The process is similar to taking an x-ray but on a much larger scale.
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54:25
Historian Jonathan Petropoulos investigates the post-war life of former Nazi art dealer Bruno Lohse.
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Historian Jonathan Petropoulos investigates the life of former Nazi art dealer Bruno Lohse.
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55:15
Priceless artifacts in Laos reveal holy sites from the early days of the Khmer Empire.
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55:15
The discovery of priceless artifacts in Laos sheds light on the ancient Khmer Empire.
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55:15
Uncover the mystery behind the discovery of more than 50 "vampire" burials.
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55:23
A search for the remains of Black Union soldiers murdered toward the end of the Civil War.
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Scientists attempt to read ancient scrolls carbonized by the eruption of Mt. Vesuvius.
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Learn the untold story of Maria Anna Mozart, Wolfgang’s older sister and collaborator.
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54:45
Archaeologists search for Assyrian artifacts that survived the Isis occupation of Mosul.
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Find out if the 15th-century murder of two princes in the Tower of London can be solved.
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Uncover the only evidence of crucifixion in Roman-occupied Britain.
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54:45
Discover the untold story of Paris’ most famous landmark and the race to top 1,000 feet.