More discussions that took place between Rudolf Steiner and workers at the Goetheanum in Switzerland. He discusses elephants, ants and bees, shells and skeletons, animal and plant poisons-arsenic and lead, bodily secretions, nutrition-protein and fats, potatoes, the human eye, fresh and salt water, fish and bird migration, clothing, opium and alcohol, thinking, Einstein's theory of relativity, and much more.
