![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: When African Grey parrots talk, do they mimic sounds or consciously understand their speech? Irene Pepperberg, a comparative psychologist at both Brandeis and Harvard universities believes African Greys actually know what they're talking about.