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Dawn of the smile

Many Minds

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The Nature of Smiles

The nature of smiles is a subject of interest, with some research suggesting that open-mouthed smiles in babies are associated with physical play, and adults are more likely to make open-mouthed smiles during playful activities. The smile is seen by some as a display of submissiveness, while others view it as a signal of playfulness. Additionally, there is a suggestion that smiles have an acoustic origin, linked to making vocalizations sound less threatening. Despite the mystery surrounding the ultimate origins of the smile, its power is evident. Baby grins activate reward centers in their mother's brains, and carrying a smiling baby elicits positive reactions from others.

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