NASA has spotted something strange and beautiful in the sands of Mars — a remarkable dune field that looks eerily similar to Morse code. And it has a message for us.
Ask MetaFilter member JannaK presented the community with a puzzle that had been troubling her family for nearly 20 years. Her grandmother died in 1996 from cancer and in her last days she scribbled down a seemingly non-sensical string of characters on index cards. Nobody knew what it all meant….
The secret rituals of an 18th century German occultists have been revealed. The New York Times reports that an exceptional language nerd cracked their code. It sounds like something straight out of Hellboy, except with fewer fights and more computers.