Harry Harlow shows that infant rhesus monkeys appear to form an affectional bond with soft, cloth surrogate mothers that offered no food but not with wire surrogate mothers that provided a food source but are less pleasant to touch.
Related posts:
Taty Ades - Mulheres que Amam Demais
O faxineiro das casas de pessoas que morrem sozinhas na Coreia do Sul
O Nascimento da Mente - Humanos, Quem Somos Nós?
