The book is full of 100 mystery-themed logic puzzles with four different levels of difficulty ... a paddle, a spreader, and a PDF of instructions, including recipes for six popular rolls. Psst — if ...

Are you one of them? This traffic puzzle is designed to put your observation skills and logical thinking to the test. Can you determine which vehicle has the right of way in just 5 seconds?

But they couldn’t necessarily solve new logic puzzles after seeing only a few examples. That is, until recently. In December, OpenAI said that its latest A.I. system, called OpenAI o3 ...