Cahokia was the largest urban settlement to develop from the Mississippian culture, a mound-building pre-Columbian civilisation that developed in the Midwestern, Eastern, and South-eastern United States.
Researchers from the Moscow Institute of Physics and Technology and the Russian Academy of Sciences Institute of Archaeology have used DNA testing to prove close genetic kinship between three individuals buried in a mass grave following the capture of the Russian city Yaroslavl by Batu Khan's Mongol army in 1238.
Archaeologists working in two Italian caves have discovered some of the earliest known examples of ancient humans using an adhesive on their stone tools--an important technological advance called "hafting."