"An integrated ethnoarchaeological and archaeological investigation of the Afar salt route in and around the early Aksumite State in the Horn of Africa that explores the relationships between the fringes of the Aksumite polity and core power structures."

"Potassium is a necessary ingredient of the fertilizer required to feed a growing world population. Accordingly, prices and corporate profits have soared to unprecedented levels in recent decades. While other countries such as Saudi Arabia and Norway have taken steps to capture the value of...