Psychologist Carl Jung believed that many cultures across the globe produced similar myths due to a sort of unified subconscious, the idea that deep down in our collective psyche, we all embraced the same symbols in an effort to explain the world. But what if it were far more simple than that? What if these linked myths merely migrated along with the people who told them? One scientist has provided strong evidence to that tune, piecing together a global mythic tapestry that is thousands of years in the making.
http://www.scientificamerican.com/article/scientists-trace-society-s-myths-to-primordial-origins/
Scientist Tracks the Movement and Evolution of Ancient Myths Across Continents | Tor.com
