
The History of Kissing: A Gesture That's Not Universal
If kissing shows up in only 46% of the 168 cultures ever studied, why did the other half never adopt it? From its evolutionary roots some 20 million years ago in the last common ancestor of great apes, to Rome's three distinct words for a kiss and the medieval homage ceremony a kiss legally sealed, this piece traces how one gesture came to mean wildly different things across cultures.


