‘Mama’s Last Hug’ showcases the emotional lives of animals
Author: Erin Wayman / Source: Science News Mama’s Last Hug Frans de Waal W.W. Norton & Co, $27.95
During the last few weeks of her life, Mama, an elderly chimpanzee at a zoo in the Netherlands, received a special visitor. As Mama lay curled up on a mound of straw, biologist Jan van Hooff
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