Conor and David talk maize....eventually. The staple crop of The Maya people and Aztecs was once scorned by European settlers in favor of wheat, which was considered more civilized. Centuries later in an ugly example of colonial irony, corn is inescapable in the American diet and a key industrial product. They discuss the ways corn was used before the Europeans showed up, what makes it such a unique plant, and satisfy the Episode 1 cliffhanger in:

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