Genetic Data

Historians have debated for centuries the magnitude, nature, and impact of population movements from the borders of the Roman Empire into its heart between the fourth and seventh centuries. In recent years, geneticists have begun to attempt to...

Few historical questions have so fascinated historians as the fall of the Roman Empire or, in the more fashionable modern parlance, its “transformation” into something altogether different, namely independent kingdoms ruled by successors of...

Historians today can hardly answer the question: when does history begin? Traditional boundaries between history, protohistory, and prehistory have been blurred if not completely erased by the rise of concepts such as “Big History” and “...

Autism is a common child­hood neurodevelop­mental disorder affecting one in 180 children. It is characterized by impaired social interaction and communication, and by restric­ted interests and rep­etitive behav­ior. Autism is a complex disease...