By Jen Viegas
Iraq is the birthplace of numerous historic firsts. It is where the sailboat, wheel, and seed plow were invented. Lying within the Fertile Crescent, it is where cereal agriculture and commercial record keeping began. Even the concept of zero and 360-degree circles were formulated in what is now Iraq.
By Christopher Ingraham
Using numbers scrawled by Bronze Age merchants on 4,000-year-old clay tablets, a historian and three economists have developed a novel way to pinpoint the locations of lost cities of the ancient world.