This story is part of the KXAN Data Hub, where numbers help tell the whole story. We’ve created several data-driven stories and databases on topics including weather and climate, politics, education, ...

“I shall inflict grief on you!” is just one of the threats irate customers directed at Ea-nāṣir, a shady copper merchant who operated in Mesopotamia some 4,000 years ago. This palm-sized clay tablet, ...