GCHQ’s chief puzzler, known only as Colin, added: “This year’s Christmas challenge features seven puzzles designed to test ...

GCHQ has released its annual Christmas challenge, with seven puzzles aimed to put the nation's codebreaking skills to the ...

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

Veteran teacher Courtney Phillips discovered that math can be taught in an engaging way through the ancient game of mahjong, ...

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

With Thanksgiving now past, parents are turning their attention to Christmas shopping.

The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more.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 ...

A seemingly easy math puzzle making the rounds on the internet has left people scratching their heads as it requires some clever thinking. The brainteaser, that was shared on X this week by user ...

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 ...

Here’s what you’ll learn when you read this story: In 1990, artist Jim Sanborn installed a cryptographic puzzle on the grounds of Central Intelligence Agency in Langely, Virginia. While cryptoanalysts ...