Scientists Reveal the Origin of Kissing
Summary
Researchers from the University of Oxford and Florida Institute of Technology have found evidence that kissing might have originated 21 million years ago in the common ancestors of humans and large apes. The study aimed to determine whether kissing is an evolved behavior or a cultural invention. By examining primate behavior, the researchers suggest that Neanderthals and other ancient species likely engaged in kissing.Key Facts
- Researchers suggest kissing may have started 21 million years ago with early ancestors of humans and large apes.
- The study was conducted by researchers from the University of Oxford and Florida Institute of Technology.
- The research looked at kissing as "mouth-to-mouth contact that did not involve food transfer."
- Only 46% of human cultures currently document kissing as a behavior.
- Scientists used data from modern primate species that exhibit kissing behavior, like chimpanzees and bonobos.
- The team ran simulations 10 million times to estimate kissing's presence in ancient species.
- The study provides a framework for future research on nonhuman animal behavior.
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