https://www.theatlantic.com/magazine/archive/2018/07/carl-zimmer-she-has-her-mother-s-laugh/561710/ If you ever thought you understood genetics and you don't work in a lab with that name on the door you are probably wrong. Hell you may even be wrong if it does. This is a book I'm going to have to get, Just the write up here is intriguing. From chimaeras to free martins, and in between and outside of the book looks tremendously interesting.