Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, ...
The UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle every year and this year marks a decade ...
PASADENA, CA: Solve a Martian mystery! Puzzle-lovers around the world can try cracking the code on a Planetary Society and LEGO Company mini-DVD mounted on Spirit, the first of NASA’s twin Mars ...
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