Mathematician Bobby Seagull described the coin as ‘an invitation to a nationwide intellectual adventure’ (Royal Mint/Casey Gutteridge/PA) A coin will form part of a nationwide code-breaking challenge, ...

This image of Bletchley Park code breaker Betty Webb was chosen as a winner in the Portrait of Britain Awards. The image of Charlotte "Betty" Webb is one of 100 to be chosen by the British Journal of ...

A new £5 coin includes numbers, letters, and symbols which can be used to uncover secrets, riddles and puzzles.

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

It’s the moment software engineers, executives and investors turn their work over to Anthropic’s Claude AI—and then witness a thinking machine of shocking capability, even in an age awash in powerful ...

The secret letters -- Introduction: "Your country needs you, young ladies" -- Part I. "In the event of total war women will be needed" -- Twenty-eight acres of girls -- "This is a man's size job, but ...