Mark Ronan

The Monty Hall problem requires clear, unbiased thinking as new information comes in

We celebrated our New Year on January 1 but the Chinese will do so this month. Why the difference?

Innumeracy at the top of European politics beggared Greece and may now vitiate Brexit negotiations

An ancient Mesopotamian tablet shows Babylonian trigonometrists had long anticipated the Greeks

For the first time in the history of the Bayreuth Festival, a Jewish director staged a new production

Forget ‘best in the world’ — the Berlin Philharmonic may not even be the best orchestra in Berlin

Trying to change the calendar to accommodate religious festivals has been a centuries-old minefield

Private festivals avoid the absurd interpretations of classic operas that shame the subsidised sector

Leonhard Euler was the presiding genius at the courts of Peter, Frederick and Catherine the Great

An Indian genius had little formal education but his findings astounded Cambridge mathematicians