Origins of Humans’ First Kiss Revealed

Here’s a summary of the news articles about the origins of kissing:

* Kissing has ancient roots: Multiple studies suggest kissing isn’t a recent human behavior. Evidence ​points to ‌kissing-like behaviors dating back 21.5 million years.
* Origins⁢ in ⁣early primates: ‍ The behavior likely originated with early​ primates, not‌ humans specifically.
* Not just human: The articles indicate that kissing or ⁢behaviors similar to⁤ it were present in ancestors before modern humans evolved.
*⁢ Sources: the news ​comes from‍ a variety of‍ sources including CNN Indonesia, BBC, Kompas.com, and others reporting⁤ on the studies.