As one of humankind's closest animal relatives, the chimpanzee has proven to be a valuable but controversial research model. The author provides an overview of efforts to improve chimpanzee welfare, and describes a facility dedicated to providing lifelong care for these nonhuman primates following retirement from research.

中文翻译：

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研究黑猩猩的解决方案。

作为人类最亲近的动物近亲之一，黑猩猩已被证明是一种有价值的但有争议的研究模型。作者概述了改善黑猩猩福利的工作，并介绍了一种专门用于从研究中退休后为这些非人类灵长类动物提供终生护理的设施。