This CIA code went unsolved for 35 years. An amateur discovered the answer in plain sight

For 35 years, cryptographers have tried to crack the final hidden code in the imposing copper sculpture in the courtyard of ...

I used 14 secret codes to unlock menus of settings on my iPhone and Android - how it works

ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...

I just discovered this Netflix secret code and it's completely changed my Halloween watchlist

Learn how to use Netflix's secret category codes to discover hidden content that's perfect for Halloween streaming.

Three supermarket codes that could help you save money on your next shop

Supermarkets often use hidden codes when packaging their products, and knowing how to read them could help you get more for ...