Afar girl from Ahmedela - Ethiopia - beautiful happy smile
More laughter. Photo "Pure Laughter" by Amith Nag."Laughter is at its purest when seen in children.
Turn Up A Smile! Did you know there are at least 19 types of smiles? Researchers were able to categorize 19 different types of smiles into two categories: polite, “social” smiles and those that were genuinely happy smiles. What was your smile like today?