Sunday

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A decade ago, U.S. soldiers were fighting and rebuilding in the Iraqi cities of Mosul and Tikrit. The past few weeks have seen those cities, among others, fall to the Sunni militant group ISIS. Here, a member of the Kurdish Peshmerga forces stands guard Thursday near an ISIS checkpoint in Mosul. Karim Sahib/AFP/Getty Images hide caption

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Karim Sahib/AFP/Getty Images
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Friday

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Thursday

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A 6-foot-long electric eel is basically a 6-inch fish attached to a 5-1/2-foot cattle prod, researchers say. The long tail is packed with special cells that pump electricity without shocking the fish. Mark Newman/Getty Images/Lonely Planet Image hide caption

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Mark Newman/Getty Images/Lonely Planet Image
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Wednesday

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The Islamic State of Iraq and Syria runs a sophisticated social media strategy, which includes images like this one it posted from Mosul, Iraq, on June 12 after it took control of the city. Analysts say ISIS has succeeded in bringing professional acumen to the business of violent jihad. AP hide caption

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AP
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Sunday

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Protesters participate in the Guns Across America rally at the state capitol in Atlanta in 2013. The Safe Carry Protection Act goes into effect on July 1, but it's already creating confusion for many Georgia residents. Tami Chappell/Reuters/Landov hide caption

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Tami Chappell/Reuters/Landov
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