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 ...

Dealing with a problem here that probably has a clever solution which is not coming to me: I have an m x n grid. This grid contains some circles. I would like to find a set of squares that covers the ...