Humans are usually pretty good at recognising when they get things wrong, but artificial intelligence systems are not. According to a new study, AI generally suffers from inherent limitations due to a ...

Some paradoxes don’t just challenge logic, they completely break it. These puzzles create situations where something must be both true and false at the same time. Philosophers, mathematicians, and ...

Here's a stumper: How many parts can you divide a line into? It seems like a simple question. You can cut it in half. Then you can cut those lines in half, then cut those lines in half again. Just how ...

Editor’s Note: Published in 1957, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more in our special digital issue, Fun and Games. A paradox is ...

Time travel is deterministic and locally free, a paper says—resolving an age-old paradox. This follows research observing that the present is not changed by a time-traveling qubit. It’s still not very ...

Have you played the puzzle game Tangram? I remember, as a child, being fascinated by how just seven simple wooden triangles and other shapes could offer endless entertainment. Unlike LEGO, the Tangram ...

It seems like a simple question: How many parts can you divide a line into? The troublesome answer was square at the root of two of Europe's... Far From 'Infinitesimal': A Mathematical Paradox's Role ...