As a puzzlist, I often emphasize that many puzzles are solved simply by using common sense or what the American pragmatist philosopher Charles S, Peirce (1839-1914) called "practical logic." When we ...

When it comes to intelligence, I realize that I'm not the shiniest nail in the box. But I do think that I have a good bit of common sense. I always try to apply that common sense to questions that I ...

That, in my view, is the cognitive backbone of what we call common sense. The puzzle is one of a set of three called the "river crossing puzzles," posed originally by the famous English scholar and ...