Presently, varied schemes of periodization of history are prevalent in historical studies, the most common being the tripartite scheme of ancient-medieval-modern periods. In European history, ancient, medieval and modern eras have remained the dominant standard epochal frontiers since the eighteenth century. In the wake of colonial rule, this scheme was applied by the European historians and or...

Arguments of astronomers against equation of motion for arbitrarily shaped particle under action of electromagnetic radiation are discussed. Each of the arguments is commented in detail from the point of view of the required physics. It is shown that the arguments of astronomers, including referees in several astronomical and astrophysical journals, are unacceptable from the physical point of v...

An archaeological investigation of a medieval cemetery gave us the opportunity to investigate 49 Danish skeletons dating from 1000 to 1250 A.D. and to compare them with 298 contemporary Danes (aged 19-79 years) and assess the millennial trend in bone mineral density (BMD) in populations considered genetically closely related. BMD and bone mineral apparent density (BMAD) of the femoral neck were...