Chickens prefer beautiful humans.

Many people believe that our perceptions of human beauty are primarily determined by societal norms. But could there be something innate in our brains that influence whether we think a face is beautiful? Here, a group of researchers tested this hypothesis by determining whether chickens have any innate preferences for certain human faces. To do so, they trained chickens to react to either an average human male or female face. They then showed the chickens a series of faces of different level

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