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Orangutans prefer food associated with sounds of laughter, study suggests
Apes in study more likely to choose treats linked to sound of peers having fun, suggesting emotions influence learningOrangutans base their food choices on whether others appear to be having a good time, research suggests.Scientists studying captive orangutans have found that when the great apes heard the sound of their peers laughing before they searched a bowl for a tasty treat, they valued the reward more highly. Continue reading...
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