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 ...
GCHQ has released their annual Christmas puzzle for 2025, even providing prospective codebreakers with some hints.
Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, ...
A simple brain teaser is causing a stir online. The puzzle asks for the total number of people based on men, wives, and ...
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Parents are raving about these fun learning apps for toddlers – packed with educational activities
Moshi Kids has a trio of joyful, ad-free learning apps designed to turn screen time into something parents can feel genuinely ...
Veteran teacher Courtney Phillips discovered that math can be taught in an engaging way through the ancient game of mahjong, ...
Undergraduate students across North America sat down on Saturday to write a grueling six-hour math exam, many of them ...
Undergraduate students across North America sat down on Saturday to write a gruelling six-hour math exam, many of them ...
This simple-looking equation is dividing people online. Can you recall the golden rule from math class to find the right ...
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