Chimps in waiting

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Science  16 Jun 2017:
Vol. 356, Issue 6343, pp. 1114-1117
DOI: 10.1126/science.356.6343.1114

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The U.S. government effectively ended all invasive research on chimpanzees in 2015 and said it would retire all the chimps it owned. Yet in the past 2 years, only 73 chimpanzees have entered sanctuaries, while nearly 600 remain in research facilities. Why has retirement been so slow? There's plenty of blame to go around, finds a Science investigation. Labs have dragged their feet, sanctuaries haven't expanded quickly enough, and the government itself didn't have a concrete plan for retirement, despite setting the process in motion in the first place. The slow pace has heightened tensions between the laboratory and sanctuary communities, which are struggling to put aside decades of frigid relationships to make chimpanzee retirement a reality.