Tracking Ivory, Honoring Laughable Science, Understanding Roaches

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In January 2014, while x-raying a Vietnam-bound container declared to hold cashews, Togolese port authorities saw something strange: ivory. Eventually, more than four tons was found.

Bryan Christy, Director of special investigations for National Geographic, on investigating the devastating effects of the global illegal ivory trade. Director Wim Wenders discusses his forty-year career in film. Marc Abrahams on the “Ig Nobles,” an annual award ceremony he created, which honors scientific achievements that make people laugh, then think. Please Explain is all about cockroaches with Richard Schweid.