it is talked about a bit in The Vital Question [1] and a more in depth in Power, Sex, and Suicide [2]

His books are honestly life changing, i can recommend them or him enough.

[1] https://www.amazon.com/Vital-Question-Evolution-Origins-Comp...

[2] https://www.amazon.com/Power-Sex-Suicide-Mitochondria-Meanin...

Thank you.

The Vital Question. As a layman -- and an audio book listener -- this wasn't an easy book to get through! Still, it caused me to sit and think a little, and that was the whole point.

Thank you. (audiobook listener also)