On this edition of the program we lead off with a discussion about new findings in a Texas cave which researchers think may challenge theories about an ancient climate change event in Paleoindian America. Then later in the program, we are joined by Dr. David Carballo of Boston University, who discusses his new book Collision of Worlds: A Deep History of the Fall of Aztec Mexico and the Forging of New Spain (Oxford University Press). In his book, Dr. Carballo looks at the fall of the Aztec Empire before the Spanish, and the way this pivotal turning point in America set the stage for a more globalized world.

David is a specialist in Mesoamerican archaeology, focusing particularly on the prehispanic civilizations of central Mexico. Currently, ongoing projects at the ancient city of Teotihuacan include the Proyecto Arqueológico Tlajinga, Teotihuacan (PATT), and the Proyecto Plaza de las Columnas. The first seeks to understand urbanization, neighborhood organization, and the daily life of commoners through excavations and geophysical prospection within a southern district of the city. The second is focused on palace compounds and is aimed at understanding the city’s political economy.

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ABOUT SEVEN AGES

The Seven Ages Research Associates are a team whose shared interests in history, archaeology, science, and culture bring us to fascinating places. Our collective experience relies on fields of study that include environmental science, geology, archaeology, historical research, media and video production, and other areas that combine to present information and content that is both accessible, but also disciplined and reliant on the scholarly source material.

The Seven Ages Research Associates are:

Micah Hanks: writer, historical researcher and podcaster

Jason Pentrail: Environmental scientist, writer and researcher

James Waldo: Professional geologist and researcher, US Army (retired)

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