Mathematician finally solves infamous moving sofa problem popularised by Friends ‘pivot’ scene

Dr Baek Jin Eon, 31, a research fellow at the Korea Institute for Advanced Study, has demonstrated that no shape larger than ...

Did you solve it? Are you as smart as Spock?

The solution to today’s puzzle ...

Can you solve it? Are you as smart as Spock?

Raise an eyebrow for world logic day ...