As dairy farming became prevalent, particularly in Europe and some African communities, natural selection favored individuals who could digest lactose into adulthood. This genetic adaptation, known as lactase persistence, is a direct result of human cultural practices (dairying) and has had significant dietary implications.
Author note. In explore voice, I do not hide behind formality when honesty would do the job better.
Phenotype Variation: Lactose Tollerance
7500 BCE
That Science Story,
was first published on TST 2 years ago.
The flashcard inspired by it is this.
All this is part of the broader TST project.
In this project, claims are never just asserted—they are attached to evidence, context, and traceable sources.
The system favors intellectual continuity over novelty, and understanding over reaction.
The end!