The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

Zachary Davidson, 18, carefully chose several Rubik's Cube variants from his huge collection to include in his senior photo. He's serious about those twisty puzzles.

Board member Christina Miller is set to replace Max Rangel as he prepares to step down from leadership of the toy and digital ...

Current CEO Max Rangel will step down from the position in July The post ‘Paw Patrol’ Company Spin Master Appoints Christina ...