Hidden beneath the rainforest of southern Mexico sit the ruins of a massive ancient Maya settlement. Archaeologists knew of the site since the 1980s but hadn’t tried mapping it — until recently.

Historically, the bigger threats to the rainforest — and its archaeology — have been logging and looting. The connection between our brain and gut has a profound effect on our wellbeing.

FLORES, Guatemala (CNN)-- In the rain forests of Central America grows the nutrient-rich Maya nut. The marble-sized seed can be prepared to taste like mashed potatoes, chocolate or coffee.