From Elephants to Einstein...

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.