Koko, the Gorilla Who Talks(DVD)DVD
In 1971, graduate student Penny Patterson began teaching sign language to a gorilla named Koko. What started out as a scientific experiment evolved into an intimate friendship, which for almost half a century has challenged the way we think about animals and changed the course of many lives. It is a unique window into this incredible relationship.
Copyright Date: ©
Characteristics: 1 videodisc (approximately 60 min.) : sound, colour ; 4 3/4 in digital,optical,stereo video file,DVD video,region 1