The word logic comes from Greek lógos, where it meant both “reasoning” and “word.” The Greeks were clearly aware of the relation between logic and language, coining the perfect term for it. So, in a sense, the term “word (or verbal) logic” is ...

Last week's challenge: Last week's challenge comes from listener Jim Bricker, of Wayland, Mass. Think of three common six-letter words that have vowels in the second and fifth positions. The last five letters of the words are the same. Only the first ...