Technical drawings of architectural or engineering designs always seem to consist of white images and text on blue paper. Why? It’s because of how those documents are made. The blueprinting ...

A nuclear submarine crashed after tracing paper was used to mark its course, it has emerged. HMS Trafalgar ran aground during a training exercise off the coast of Skye in November 2002. A Royal Navy ...

Most of us are familiar with the meaning of "running around like a blue-arsed fly", but where exactly did this peculiar phrase come from? Editors at the Oxford English Dictionary (OED) are ...