If there's one thing we can all agree on, it's that riddles are undeniably fun! (Just ask the Ancient Greeks). There's nothing like the triumphant feeling one gets after solving an "unanswerable" ...

Riddles delight and challenge the mind. Deciphering verbal puzzles or unraveling fun word games can exercise our intellect in a way other everyday tasks do not. For example, the “green glass door” ...