Code

The bold, brilliant Mary Wroth with a string instrument called a theorbo, circa 1620.

The Secret Codes of Lady Wroth, the First Female English Novelist

The Renaissance noblewoman is little known today, but in her time she was a notorious celebrity

 Elizebeth Friedman was a star cryptanalyst who cracked hundreds of ciphers for the U.S. government.

How Codebreaker Elizebeth Friedman Broke Up a Nazi Spy Ring

A new PBS documentary traces her extraordinary life, from her Quaker upbringing to her career as the U.S.' first female cryptanalyst

A team of divers found this rusted—but still recognizable—Enigma cipher machine at the bottom of the Baltic Sea. The Nazis used the device to encode secret military messages during WWII.

Cool Finds

Divers Discover Nazi Enigma Machine Thrown Into the Baltic Sea During WWII

German forces used the device—likely cast into the water to avoid falling into Allied hands—to encode military messages

Purdue University’s INSPIRE Research Institute for Pre-College Engineering works with pre-school, school-age, college undergrads, engineers and parents to test and rate science- and tech-themed products.

The Ten Best STEM Toys to Give as Gifts in 2019

Stretch young learners’ minds with everything from card games to robotic spheres

The indecipherable text carved in a rock found in the Brittany village of Plougastel-Daoulas.

Cool Finds

A French Town Is Offering $2,250 Reward to Anyone Who Can Decipher This Mysterious Inscription

The inscription was probably made during the 18th century

The 1938 Christmas greeting would've only held significance for those "in the know"

Christmas Card Addressed to Bletchley Codebreakers Discovered

The lost holiday message features the only known photograph of operatives’ September 1938 meeting, the enigmatic “Captain Ridley’s shooting party”

How to Cipher Like a Soviet

See if you can figure out how the American code-breakers unraveled the complexities of the Russian codebook

In the spring of 2018, Angeline Nanni revisited Arlington Hall, where the Venona team got cracking. It is now on the National Register of Historic Places.

Secrets of American History

The Women Code Breakers Who Unmasked Soviet Spies

At the height of the Cold War, America’s most secretive counterespionage effort set out to crack unbreakable ciphers

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