Pomegranates. Credit: Joergens.mi/Wikimedia commons/CC BY-SA 3.0 Smashing a pomegranate on New Year’s Day is an ancient Greek custom that continues to this day as the red-colored, nutritious fruit is ...

together with William Oughtred's “Trigonometria” of 1657. Beman inquires whether this symbol for geometric ratio has a still earlier date.

The Union Flag, or Union Jack, is the national flag of the United Kingdom. It is so called because it combines the crosses of the three countries united under one Sovereign - the kingdoms of England ...