A female forest elephant charges, in Dzanga-Sangha Special Reserve in the Central African Republic. Michael K. Nichols/National Geographic/Getty Images hide caption

itoggle caption Michael K. Nichols/National Geographic/Getty Images

Science

Civil War Invades An Elephant Sanctuary: One Researcher's Escape

Andrea Turkalo spent 22 years in central Africa, studying rare forest elephants. Then civil war forced her to flee — and poachers killed many of the elephants she'd shared a life with.

Wheat fields like this one could yield wheat with less zinc and iron in the future if they are exposed to higher levels of CO2, according to the journal Nature. Zaharov Evgeniy/iStockphoto.com hide caption

itoggle caption Zaharov Evgeniy/iStockphoto.com

The Salt

Less Nutritious Grains May Be In Our Future

When crops are surrounded by high levels of carbon dioxide, they're more productive. But they may have lower concentrations of some crucial nutrients, which could increase malnutrition in the future.

Dr. Jay Chapman, pictured here in 2007, developed the original formula for lethal injections with the intention of making executions in the U.S. more humane. Ben Margot/AP hide caption

itoggle caption Ben Margot/AP

Politics

The Executioner's Lament

When things go wrong during an execution, the people responsible for carrying it out experience stressful, chaotic scenes. But even when the process goes right, it can take a lasting toll.

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A female forest elephant charges, in Dzanga-Sangha Special Reserve in the Central African Republic. Michael K. Nichols/National Geographic/Getty Images hide caption

itoggle caption Michael K. Nichols/National Geographic/Getty Images
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Birth El Ten Eleven

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Dr. Jay Chapman, pictured here in 2007, developed the original formula for lethal injections with the intention of making executions in the U.S. more humane. Ben Margot/AP hide caption

itoggle caption Ben Margot/AP
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Tired and Awake Hidden Orchestra

Stammer Hidden Orchestra

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Wheat fields like this one could yield wheat with less zinc and iron in the future if they are exposed to higher levels of CO2, according to the journal Nature. Zaharov Evgeniy/iStockphoto.com hide caption

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Clair de Lune Jacques Loussier

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