Petro, Diaco, Donnel and Hedia form the panel of steely potential investors with cacao beans to present to Maya inventors, if they can impress the panel with their products. The products are real ...

Sources can be challenging for historians. On the one hand, we could take them at face value. On the other hand, we could say, "Oh, it's biased, we can't use this." In actual fact, all sources are ...