Natural History Heroes - Why studying a chimpanzee was forward-thinking - ÃÛÑ¿´«Ã½ Sounds

Natural History Heroes - Why studying a chimpanzee was forward-thinking - ÃÛÑ¿´«Ã½ Sounds
Why studying a chimpanzee was forward-thinking
Richard Sabin and Professor Erica Fudge explain the significance of Tyson's study.