As Jurassic beasts roamed the earth, a little weasel-like animal called Morganucodon was making an evolutionary breakthrough in parenting — producing milk to feed her young. Author Cat Bohannon calls this creature Morgie in her 2023 book “Eve: How the Female Body Drove 200 Million Years of Human Evolution.” Bohannon discusses the book, and insights from the evolution of Morgie, ahead of an author event in St. Louis County.