Apes, legal personhood and the plight of Nim Chimpsky

In Austria, animal activists have taken the case of a chimp called Matthew as far as the European Court of Human Rights. Controversially, they're fighting for his right to legal personhood. And, the incredible saga of Nim Chimpsky. A landmark effort to teach a chimp sign language and raise him like a human child. Project Nim became a scientific soap opera of epic proportions.