A mathematician at Yonsei University, in Korea, claims to have solved the moving sofa problem. Jineon Baek has posted a 100+-page proof of the problem on the arXiv preprint server. Most people who ...

After a year of no-show movers, delays and families paying thousands, the Pentagon says new oversight starting May 1 will ...

What is the largest sofa that you can squeeze around the corner of a hallway? A horseshoe-shaped piece of furniture known as Gerver’s sofa has officially taken the crown, solving a mathematical ...