Students try to guess the mystery subject Carlotta Facts, the History Mystery Museum's professor, is studying. They read the clues, do some online and offline research, and then attempt to identify the game's mystery item, The Rosetta...

Rajesh Rao is fascinated by "the mother of all crossword puzzles" - how to decipher the 4000 year old Indus script. At TED 2011, he tells how he is enlisting modern computational techniques to read the Indus language, the key piece to...