How to safely reopen offices, schools and other public spaces while keeping people six feet apart comes down to a question mathematicians have been studying for centuries. Sphere packing might seem ...

It started with a picture. In April 2007, Monique Klinkenbergh stumbled across the image that would upend her life. Its composition—perfectly executed rings of triangles and diamonds in concentric ...

Three mathematicians show, for the first time, how to form a square with the same area as a circle by cutting them into interchangeable pieces that can be visualized. Around 450 BCE, Anaxagoras of ...