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 ...

Twitter has today announced that it has eliminated its standard ‘Twitter’ logo, converting it over to a simple version of the blue bird most associated with the service. It’s a simple graphic that is ...

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 ...

When I was in grade school, math teachers loved Venn diagrams, those overlapping circles that showed which elements different sets had in common. Talk to European officials, and each sketches some way ...