Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A hypocycloid with four cusps (like a square with concave sides)
- ‘The astroid was first discussed by Johann Bernoulli in 1691-92.’
- ‘An astroid is a specialized case of the general hypocycloid family of curves.’
- ‘The cycloidal curves, including the astroid, were discovered by Roemer (1674) in his search for the best form for gear teeth.’
- ‘The caustic of the tricuspoid, where the rays are parallel and in any direction, is an astroid.’
- ‘The astroid is a famous curve that arises in an interesting way.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.