It's not often that a single discovery can illuminate both the history of science and ancient office culture—but that is what happened in the ancient Mayan megacity of Xultun, in present-day Guatemala. There, researchers from Boston University and the University of Texas unearthed a small room, two walls of which were marked with astronomical tables predicting movements of the moon, Venus, and ...

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33. Mayan Astronomy Office Unearthed