Mesolithic man reveals origins of blue eyes, lactose intolerance

The discovery of a Stone Age man with the genes for blue eyes and dark skin has revealed that blue eye colour probably spread through the European population earlier than fair skin.

Genetic analysis reveals blue eyes evolved before light skin.

4,700-Year-Old Tooth Provides Insight on the First Farmers of the Iberian Peninsula

The evolution of human skin pigmentation: A changing medley of vitamins, genetic variability, and UV radiation during human expansion - Lucock - 2023 - American Journal of Biological Anthropology - Wiley Online Library

Why is Northern Europe predominantly blue-eyed and Southern Europe predominantly brown-eyed? - Quora

Ancient DNA reveals how Europeans developed light skin and lactose tolerance

Population genomics of the Viking world

Revealed: First blue-eyed boy was a Stone Age man who lived in a cave

Prehistoric Humans Didn't Grunt Their Ideas - They Used Hand Gestures

Ancient DNA reveals how Europeans developed light skin and lactose tolerance

A pair of blue eyes