Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

Looking for help with today's New York Times Pips? We'll walk you through today's puzzle and help you match dominoes to tiles ...

Think you’ve got sharp eyes and solid logic skills? A deceptively simple lineup puzzle is making the rounds—and it’s frustrating far more people than you’d expect. The challenge looks easy at first ...

The robot completed the puzzle in just 45.3 seconds, breaking its own record of 55 seconds made just moments earlier.

Researchers used algebra and geometry together to solve an old random walk problem. Random walk ideas have informed everything from biology to video games. This team identified a key geometry idea ...

A strange thought experiment known as Newcomb’s paradox has baffled philosophers and scientists for decades. In the puzzle, a supercomputer predicts human decisions with near-perfect accuracy and ...

Add Yahoo as a preferred source to see more of our stories on Google. In a dark room, in the middle of the night, a woman lies dreaming. Suddenly, her eyes beneath their lids dart crisply left-right, ...

How to Use AI to Get Better at Solving Daily Puzzles ...

Two brothers in the U.K. have set a new milestone in robotics by designing ...

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