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

GCHQ’s chief puzzler, known only as Colin, added: "This year's Christmas challenge features seven puzzles designed to test everything from codebreaking and mathematical analysis to lateral thinking ...

For some people, it’s not truly the festive season until they’ve had a crack at the government spy department’s ...

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 ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, ...

Two professors, one of English and one of mathematics, were having drinks in the faculty club bar. “It is curious,” said the English professor, “how some poets can write one immortal line and nothing ...

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 ...

You are participating in a holiday gift exchange with a few classmates. You each write down your own name on a slip of paper and fold it up. Then all the students place their names into a single hat.

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 ...