Archaeologists have discovered preserved Mesolithic fishing traps in the inland mountains of southern Norway. Topographic barriers prevented fish from swimming into the region, indicating hunter-fisher-gatherers were actively introducing fish into mountain lakes for fishing.

Isotope analysis reveals Orthodox Christian migrants from the Kievan Rus’ were travelling hundreds of kilometres into medieval Vilnius, Lithuania during the 13^th and 14^th centuries AD, supporting the idea that medieval cities were shaped by mobility, cultural interaction and adaptation.

For the first time, researchers have identified the name of a Maya 'mathematician-astronomer', enabling us to place an Indigenous Maya scholar amongst the ranks of other great astronomers from history.