To transmit information during wartime, various industries used to encode their messages letter by letter with an elaborate system–a primitive version of today’s digital encryption. Grant breaks down some of those secret codes, and...
A listener from Dallas, Texas, wonders why we say “here, here” to cheer someone on, and “there, there” to calm someone down. Actually, the phrase is “hear, hear,” and it’s imperative, as in, listen to this...