ArtArticlesScience Art & Math – Percussion Of Stone-age Serengeti Cecilia WongJanuary 15, 2017June 22, 2025 1.6 million-year-old stone handaxe (British Museum) from the Olduvai Gorge in Tanzania. Stone knapping was what Continue reading ➞ Art & Math – Percussion Of Stone-age Serengeti Cezanne, Homo erectus, Picasso, visual dorsal stream