The Aztec deity Xolotl was seen as the twin brother of Quetzalcoatl, the feathered serpent god linked with life and light. In many ways, Xolotl was Quetzalcoatl’s opposite. He was associated with ...

Every week, Rajesh PN Rao, a computer scientist, gets emails from people claiming they've cracked an ancient script that has stumped scholars for generations. These self-proclaimed codebreakers ...