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Calculated reciprocity? A comparative test with six primate species. http://t.co/Nrul9IWFhG #evolution #hominid
Calculated reciprocity? A comparative test with six primate species. http://t.co/Nrul9IWFhG #evolution #hominid
Reciprocal altruism? A comparative test with six primate species http://t.co/wYk8yZpDiD
Reciprocal altruism? A comparative test with six primate species http://t.co/wYk8yZpDiD
Reciprocal altruism? A comparative test with six primate species http://t.co/wYk8yZpDiD
Reciprocal altruism? A comparative test with six primate species http://t.co/wYk8yZpDiD
No reciprocity in experiment with chimpanzees, bonobos, gorillas, orangutans, brown capuchin monkeys & spider monkeys http://t.co/zoc69z0Rnt