ZF’s “dry” system will initially only be used on the rear axle, as the company reports that the expense of building in redundancy into the 12-volt architecture common on today’s vehicles makes ...

In southern Iraq, archaeologists have excavated a remarkable collection of carved clay tablets—ancient records of Akkadia, the world’s oldest empire. Marked with the administrative details of ...

The authors describe 27 clearly manufactured bone tools (Fig. 1) found during excavations. Although this number might not seem huge, how the tools were made and the choice of which bones to use ...

The discovery of 1.5-million-year-old bone tools in Tanzania suggests early human ancestors had advanced cognitive abilities and systematically crafted tools from bone much earlier than previously ...

Department of Oral Geriatrics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Jilin ...