We evolved as a species in the savanna lands of Africa, but then you see humans migrating into new environments, into desert lands, into jungles, into the Ice Age tundra of Siberia -- tough, tough environment -- into the Americas, into Australasia.
Razvili smo se kao vrsta u savanskim prostranstvima Afrike, ali tada vidite ljude kako migriraju u nove okoliše, u pustinjska prostranstva, u džungle, u sibirsku tundru ledenog doba -- opak, opak okoliš -- u Amerike, u Australasiu. Svaka je migracija uključila učenje --