The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Whatever the cause, it is indisputable that bureaucrats have a deep suspicion of the way things appear. This suspicion manifests itself in the way bureaucrats write, in their reluctance to say that ...

Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.