Physicist Albert Einstein famously posited that if he only had an hour to crack a daunting problem, he'd devote 55 minutes to ...

Warm-Up: Consider a four-letter alphabet A, B, C, I. Here are the target strings: CBI, CCC, and BIAI. Here are the non-target ...

What's the secret to a complex combine? This video is a guide to the puzzle of a Deere combine “Quiet!”: Trump’s anger at reporter says a lot about his mind right now Former Arsenal striker in induced ...

These lateral-thinking puzzles require some serious out-of-the-box thinking to solve. Are you up to the challenge?

Five hundred years ago, the Aztec civilization in today’s Mexico believed that the sun and all its power was sustained by blood from human sacrifice. Today, we know that the sun, along with all other ...