Who should you smile at in the street? Here are my rules from dogs to babies | Zoe Williams
Smiles serve as selective social signals tied to perceived shared identity, actions, authority, vulnerability, or contribution rather than universal friendliness.
Why does the Maga elite love conspicuous cosmetic surgery? | Arwa Mahdawi
MAGA-aligned figures and supporters increasingly adopt exaggerated, surgically altered 'Mar-a-Lago' faces as conspicuous signals of wealth and in-group belonging.