Lots of help from readers on this. Many thanks to all. One I especially liked: “Mr. Derbyshire, I cannot think of a better instruction in English grammar than a concerned parent not accepting mistakes ...

If you have teens, you've probably grown accustomed to seeing them lighted by the glow of a phone screen. Well, there's some good and bad news coming from the hours they spend speed-tapping notes to ...

Erica Bexley does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...