Why do we take something uncertain “with a grain of salt”? The answer involves a universal antidote to poison, Bible commentary, and some questionable photos of Ireland.
Why is the painful cramp you sometimes get in your leg called a charley horse? The answer involves baseball and continual adaptation of oral history.
Why is a good gardener known as a green thumb? The answer involves a vegetable-loving king, a wartime radio show, and a dishonest corn miller.
Why is sliced bread our reference for things that are new and incredible? The answer involves wrapped bread, banned bread, and Wonder Bread.