[tsax]

Greg Cochran, an expert geneticist who wrote 'The 10,000 Year Explosion' has a different view.

1) https://www.youtube.com/watch?v=w3310KWlDXg (especially the Q&A which is dominated by epigenetics).

2) This explains it in text -> https://westhunt.wordpress.com/2012/10/26/epigenetics/

[cadlin]

Greg Cochran isn't an expert geneticist. He's a consultant with a PhD in physics who was an anthropology adjunct for ten years.

He doesn't have any training as a geneticist or in biological research.

It's all in his LinkedIn: https://www.linkedin.com/in/gregory-cochran-48b51b79/