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Two adult white rhinos stand in an enclosure at South Africa's Entabeni Safari Conservancy in 2012. Entabeni is one of the world's only dedicated orphanages for rhino calves whose parents were poached for their horns — a trend that is rising. Stephane De Sakutin/AFP/Getty Images hide caption

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Stephane De Sakutin/AFP/Getty Images

A customer shops for milk at a Safeway in Livermore, Calif. Although it may seem counterintuitive, there's growing evidence that full-fat dairy is linked to reduced body weight. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images
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Residents enjoy a meal at the Quilombo Sacopa in Rio de Janeiro in 2012. Brazil has some 3,000 quilombo communities, which were formed by runaway slaves, dating to the 19th century. Residents have been promised ownership of their land but say the legal process has moved slowly. Victor R. Caivano/AP hide caption

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Victor R. Caivano/AP
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