Source: NYT
11-10-12
by Michael Trimble
Michael Trimble is an emeritus professor of behavioral neurology and a consultant neuropsychiatrist at the Institute of Neurology, University College London, and the author of the forthcoming book “Why Humans Like to Cry: Tragedy, Evolution, and the Brain.”
IN 2008, at a zoo in Münster, Germany, a gorilla named Gana gave birth to a male infant, who died after three months. Photographs of Gana, looking stricken and inconsolable, were ubiquitous. “Heartbroken gorilla cradles her dead baby,” Britain’s Daily Mail declared. Crowds thronged the zoo to see the grieving mother.
Sad as the scene was, the humans, not Gana, were the only ones crying. The notion that animals can weep — apologies to Dumbo, Bambi and Wilbur — has no scientific basis. Years of observations by the primatologists Dian Fossey, who observed gorillas, and Jane Goodall, who worked with chimpanzees, could not prove that animals cry tears from emotion....