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Mark Adams sent us photos of Machu Picchu in tandem with his first hour appearance on the 5/3/12 show. The full site is pictured on the left, on the right is the enigmatic Intihuatana stone.
Click on images to view larger. More of Mark's photos here.
John B. Alexander discussed events that challenge the laws of science. Followed by Ethan Siegel on "Treknology," iconic inventions from the Star Trek universe...