The cacao trees mature at five years and begin to flower on the trunk. The flowers are pollinated by midges, a small fly.

Bitter chocolate is made by roasting cocoa seeds then pressing them ... Farm practices to enhance it's growing include adding the farmyard manure to practice organic farming.

Traces of chemicals and DNA from the plant were found on pottery, suggesting the ground seeds of the cocoa pod were being mixed into a concoction and drunk. Co-researcher, Dr Sonia Zarrillo of the ...