The errors that quantum computers make are holding the technology back. But recent progress in quantum error correction has ...

Imagine balancing a ruler vertically in the palm of your hand: you have to constantly pay attention to the angle of the ruler and make many small adjustments to make sure it doesn't fall over. It ...

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.

Look at the Coca-Cola can in the main image. It is not a can, but an optical illusion – a trick of perspective. Can you work out what is going on? The illusion is the latest masterpiece from Olivier ...

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

A new study published in Nature has found that X's algorithm—the hidden system or "recipe" that governs which posts appear in your feed and in which order—shifts users' political opinions in a more ...

Ali Slagle’s new tomato Cheddar mac and cheese is very thoughtful (and delicious). By Mia Leimkuhler Good morning! Today we have for you: Recipes that use a lot of tomato paste (like this new one-pot ...

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 ...

AI could soon spew out hundreds of mathematical proofs that look "right" but contain hidden flaws, or proofs so complex we can't verify them. How will we know if they're right? When you purchase ...

3rd March 2026: The Final Puzzle has now been solved and tested successfully. Those with a particularly keen eye for puzzles and challenges will spend no time at all trying to solve the mysterious ...