http://news.poseidon-us.com/TGsKDm
New research suggests that the making of string figures, a globally documented practice, may point to shared cultural heritage stretching back millennia. The research offers a new way to investigate the evolution and distribution of cultural phenomena using mathematical methods.
http://news.poseidon-us.com/TGsKDm
http://news.poseidon-us.com/TGsKDm