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NASA's Curiosity Rover has returned images of what appears to be an ancient streambed. The photos show rocks called conglomerates made up of gravel and sand, which look like they were eroded and transported in water. More at BBC News.
Michael Masters posited UFOs as time travelers. Followed by Jack Sarfatti on the technology of the Tic Tac UFOs, and Rich Hoffman on anomalies of them.