From a box of Cracker Jack to The Da Vinci Code, everybody enjoys deciphering secret messages. But biomedical engineers at Duke University have taken the decoder ring to place it's never been ...

It’s that time of year again. Time for new Trapper Keepers, reams of lined paper, and bouquets of freshly-sharpened pencils. It’s also time for a little note-passing (at least for students who can’t ...