Add Yahoo as a preferred source to see more of our stories on Google. In 1990, artist Jim Sanborn installed a cryptographic puzzle on the grounds of Central Intelligence Agency in Langely, Virginia.

Rare forms of the MC4R gene could explain why some people with obesity maintain good heart health. Plus, grant success is getting tougher in Europe and the solution to an iconic CIA cryptographic ...

In 1990, artist Jim Sanborn installed a cryptographic puzzle on the grounds of Central Intelligence Agency in Langely, Virginia. While cryptoanalysts have solved the first three sections of the puzzle ...