Consequently, ever since the Cognitive Revolution Homo sapiens has been able to revise its behaviour rapidly in accordance with changing needs. This opened a fast lane of cultural evolution, bypassing the traffic jams of genetic evolution. Speeding down this fast lane, Homo sapiens soon far outstripped all other human and animal species in its ability to cooperate. The
This probably is the reason humans outgrew other species so fast. They cooperated with each other and formed larger groups. Thus growing strong as a group rather than individuals.
