Wooden boats known as dhows are used in trade between Dubai and Iran. The emirate has long been an economic lifeline for Iran, despite U.N., U.S. and EU sanctions against Tehran's nuclear program. But new financial restrictions imposed on Dubai by the United Arab Emirates' capital, Abu Dhabi, have made Iran-Dubai trade more difficult.
This tooth, which was also found in Denisova Cave, has a DNA structure similar to that of a finger bone. Its shape and physical structure are, however, very different from that of Neanderthals and modern humans, leading researchers to believe that the Denisovans are a distinct group.
David Reich, et al./Nature