ACT RADIO: Animals Seeking Pleasure

Greg & Liz talk with biologist and animal behaviorist, Jonathan Balcombe, who has written books on animal behavior including "Pleasurable Kingdom" and "The Exultant Ark." He discusses the dilemmas facing many biologists on the topic of animal experimentation, as well as why much of science does not universally accept that animals purposefully seek pleasure through touch, grooming, and eating. Aired Sept. 9, 2012.