Can Chimps Talk?

Summary

NOVA covers exciting and controversial research with chimpanzees who have been trained to express themselves with human symbols. Are they speaking their minds? Or are they just aping their trainers?

Guest stars

• Beatrix Gardner as Self
• Sue Savage-Rumbaugh as Self
• Patricia Marks Greenfield as Self
• Duane Rumbaugh as Self
• Sarah Boyson as Self