The UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle every year and this year marks a decade ...

Can you solve GCHQ’s Christmas puzzle? - GCHQ has come up with a range of puzzles designed to test a range of problem-solving ...

This simple-looking equation is dividing people online. Can you recall the golden rule from math class to find the right ...

CHADRON, Neb. (AP) — When Steven Haataja came to this remote corner of Nebraska, where cowboy hats are still worn for work and rodeo trophies greet visitors to the local college, it was supposed to be ...

The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more. If you find our work useful, please chip in The Internet Archive ...

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost ...

A new report from OpenAI and a group of outside scientists shows how GPT-5, the company’s latest AI large language model (LLM), can help with research from black holes to cancer‑fighting cells to math ...

A deceptively simple math problem has left the internet stumped, proving it may be far trickier than it appears at first glance. The mathematical brain teaser, posted Friday by X user @BholanathDutta, ...

(Author’s Note: We ask that readers do not use AI to solve this puzzle.) ...