Categories Articles Untrained orangutans spontaneously use stones as tools in fascinating experiment Post author By crystalg Post date February 17, 2022 Study Finds Tags Experiment, Fascinating, orangutans, spontaneously, Stone's, Tools, Untrained ← Rudy Giuliani says the January 6 committee is ‘illegal’ and ‘can’t subpoena anybody,’ — after being subpoenaed himself → I Helped Bring a Syrian War Criminal to Justice. But the Work Is Just Beginning