The map depicts Mesopotamia at the center, surrounded by two rings symbolizing water. In this "world," the people inhabiting Mesopotamia—what is now Iraq and part of Syria—believed.

The cuneiform tablet from the 6th century BC shows an aerial view map of Mesopotamia — roughly modern-day Iraq — and what the ...

Modern: PNAS / Lauri Nummenmaa et al., Mesopotamian: Juha Lahnakoski Our bodily map of happiness, in fact, is relatively similar to that of the Mesopotamians, with a notable exception: the liver.