A pair of chimpanzees sit in an enclosure at the Chimp Eden rehabilitation center, near Nelspruit, South Africa.

A pair of chimpanzees sit in an enclosure at the Chimp Eden rehabilitation center, near Nelspruit, South Africa. / AP

Atlanta-based author and primatologist Frans de Waal has observed animal behavior for 40 years. He's since challenged prevailing scientific notions of animals as stimulus response machines. His new book, Mama's Last Hug: Animal Emotions, details findings on jealousy and reconciliation.

De Waal is also a psychology professor at Emory University and director of the Living Links Center at the Yerkes National Primate Research Center in Atlanta. He stopped by On Second Thought  to talk about his book and work with animals.

On Second Thought host Virginia Prescott speaks with Frans de Waal.

 

 

 

 

 

 

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Tags: chimpanzees  primatology  book  Emory  Animals  OST Full Show  Primatologist  Frans de Waal  research  Atlanta