"It required a change in thinking. A change that forced public health workers to stop treating it as a medical problem but rather as a human behavior problem." - Richard Thaler Sandra Jones hide caption

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How Are Health Workers Putting An End To Guinea Worms?

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"We're on the verge of a whole new social science. It's a social science that recognizes...the complexity of the human mind." - Sendhil Mullainathan James Duncan Davidson/TED/James Duncan Davidson hide caption

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How Can A Nudge Save A Life?

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Mifeprex, formerly called RU-486, is the brand name of the abortion pill called mifepristone. Michelle Del Guercio hide caption

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Has Zika Pushed More Women Toward Illegal Abortions?

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Assaga camp in Niger is home to some 6,000 refugees, either displaced within the country or from across the border in Nigeria. Issouf Sanogo/AFP/Getty Images hide caption

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One Mother's Perspective On What It's Like To Be A Refugee

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