A DNA analysis of remains found in Mexico's ancient city of Xaltocan reveals fundamental differences between the people before and after the arrival of Aztec conquerors, helping to answer the mystery of whether the city's residents abandoned the city or simply assimilated with the more powerful kingdom. The study, published in the American Journal of Physical Anthropology, supports the theory that a major demographic shift occurred when the Aztecs arrived in 1435, rather than the notion that the city was abandoned en masse in 1395.

Full Story:

Related Summaries