What we know about the Aztecs of Mexico often comes from the accounts of their Spanish conquerors. But the Aztec culture was far more sophisticated than the European invaders chose to portray. In this edition of Not Just the Tudors, Professor Suzannah Lipscomb talks to Dr Caroline Dodds Pennock about the real reasons behind Aztec ritual sacrifice and cannibalism, and their com beliefs about the afterlife, childbirth, gender roles and sexual norms.