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Radio Expedition: Coltan and the Congo

In the latest Radio Expedition from NPR and the National Geographic Society, Alex Chadwick examines how an ore used in the production of electronics has been linked to the massacre of wildlife at a national park in the Democratic Republic of Congo. Coltan is a metal used in computers and cell phones. The miners who extract coltan have killed thousands of elephants and gorillas for food. (8:39)(S

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