Happy #ValentinesDay! Did you know that the human kiss might have started as an ape grooming ritual? 🐒

That’s right—this iconic symbol of affection could have its roots in a groomer’s "last kiss,” given while cleaning a fellow ape’s fur.

💕 Read the full article: https://www.science.org/content/article/did-human-kiss-begin-ape-grooming-ritual