codes
A mysterious note was discovered in the secret pocket of a dress from the 1880s. A decade later, someone finally cracked the code.
A dress from the 1880s had a hidden pocket and an unbreakable code. The silk dress cryptogram was recently broken, but some mysteries remain.
How people have sent secret messages throughout history, from invisible ink to coded hairstyles and laundry
Invisible ink is one of the most popular methods to send secret messages, created with recipes using substances like milk, lemon juice, or urine.
How to redeem Genshin Impact codes and how to find new ones
You can redeem Genshin Impact codes in-game and on the game’s official website to earn free Primogems, items, and more.
These secret Netflix codes uncover a list of 'hidden' films and TV shows — and it's easy to use them
Your weekends will never be the same again.
Here's why some airports have code names that don't seem to make sense
Turns out, there's a rhyme and reason for just about every airport code out there.
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How to redeem Genshin Impact codes and how to find new ones
You can redeem Genshin Impact codes in-game and on the game’s official website to earn free Primogems, items, and more.