Kissing's Origins Go Back 20M Years - Quiz - MDSpire

Kissing's Origins Go Back 20M Years

Bayesian phylogenetic modeling suggests kissing emerges deep in primate evolution and persists across multiple ape lineages, including extinct hominins.

  • By

  • Kathryn Wighton

  • February 3, 2026

  • 3 min

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Kissing's Origins Go Back 20M Years

  • by Kathryn Wighton

  • February 3, 2026

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