NPR's Ayesha Rascoe plays the puzzle with Weekend Edition Puzzlemaster Will Shortz and WUSF listener Wendy Belkin of ...

Researchers used questions from the NPR Sunday Puzzle challenge to build a benchmark to test AI 'reasoning' models.

NPR's Ayesha Rascoe plays the puzzle with Weekend Edition Puzzlemaster Will Shortz and Lauren Cusitello of San Diego, Cali.

NPR's Ayesha Rascoe plays the puzzle with Weekend Edition Puzzlemaster Will Shortz and Marian Fowler of Indian Purchase Township, Maine. Sunday Puzzle: Doubling up On-air challenge: If I asked you ...

Last week's challenge: Last week's challenge comes from Sandy Weisz, of Chicago. He runs puzzle hunts and trivia events under the name The Mystery League. Think of a familiar two-word phrase that ...

On-air challenge: If I asked you to name two colors starting with the letters GRE-, you'd say Green and Grey. Now try these: Name two ... starting with: Last week's challenge: Last week's challenge ...