Enlisting nomadic African herders finally helped the world eliminate the cattle plague rinderpest. But the veterinarians, who had the power to shut the program down, had to be rewarded for success, too.
Virunga National Park in the Democratic Republic of Congo is home to 200 endangered mountain gorillas, about a quarter of the world's total. In recent months, a new insurgent group has taken over gorilla habitat. Despite it all, the gorilla population has been rising.
A center for scientists to study what helps dogs succeed in search-and-rescue operations opens Tuesday at the University of Pennsylvania. Dr. Cynthia Otto, who created the center, and Annemarie DeAngelo, the center's training director, tell Fresh Air why they depend on their canine companions.
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