From Descartes to punk rock, the letter X has an extraordinary history

The letter X can be a lot of things: rebellious, mysterious, religious. For this Word of the Week, we examine its origins and many uses.
Newsweek

Aunt Reads One-Year-Old’s ABC Book—Can’t Cope With What’s Under Letter ‘X’

While looking through her 1-year-old niece’s books, one woman got a shock after discovering what an alphabet book had picked to represent the letter X. Karen Thomas Mahoney, from North Carolina, ...