Are you ready to put your pattern-spotting, logic, and IQ to the test? In this challenge, we’ll twist numbers, letters, and ...

Documentary tracing the extraordinary story of amateur codebreakers Satoshi Tomokiyo, George Lasry and Norbert Biermann, who collaborated across continents to decipher a mysterious cache of coded ...

Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if anyone could decrypt ...