Frans de Waal
Duke Canine Cognition Center
Duke Lemur Center
Friends of Bonobos
National Zoological Park, Smithsonian Institution
Sensory and Evolutionary lab, Duke University
Yerkes National Primate Research Center
Quirks & Quarks: The Dolphin in the Mirror
New questions about empathy
Chimps share too!
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Educators can purchase many episodes and learning guides of Firsthand and The Nature of Things for classroom use on the CBC Learning website.