In these exclusive interviews, we speak with Dr. Jane Goodall, DBE (Founder of the Jane Goodall Institute and UN Messenger of Peace), Prof. Yuval Noah Harari (Author of the international bestseller Sapiens: A Brief History of Humankind) and Dr. Carl Safina (Prize-winning author, ecologist and MacArthur Fellow).  We look at the fundamental nature of humanity, how our species has grown to become dominant, and what the future holds for mankind.