A new analysis of artwork left behind by the enigmatic inhabitants of the abandoned Mesoamerican city Teotihuacan suggests the colorful pictures and shapes may constitute a rudimentary language that ultimately evolved into the language of the Aztecs.If the team of researchers behind the discovery can successfully decipher the "lost language," they believe it could offer clues about the identity of Teotihuacan's builders and the reasons they abandoned the once thriving metropolis...Previous excavations and decades of research have determined that Teotihuacan was founded sometime around 100 AD. Researchers have also determined that the massive complex of buildings and roadways likely supported...