You've sat in so many meetings where Microsoft PowerPoint presentations have revealed unexpected truths. The presenter makes you marvel as she shows how the circle marked "profit" overlaps with the ...

The man who invented the elegant overlapping circle diagrams would have been 180 today. Infographic: Which Flu Strain Is Most Likely To Bring The Apocalypse? H1N1? Bird flu? Swine flu? Confused? Don’t ...

The problem is, well, this one appears to suggest that Arizona, Missouri, Tulane, NC State and Ole Miss are… sort of tested?

An Italian architectural historian thinks Giacomo Andrea de Ferrera, a Renaissance architect and da Vinci friend, drew the man-in-circle diagram first Leonardo da Vinci's drawing of a male figure ...

Contains notes, drafts, correspondence, diagrams, and artwork related to: Mooney, James. "The Cheyenne Indians." Memoirs of the American Anthropological Association Vol. 1. 1907. 357-442. Includes: (1 ...