I've got two stories on our origins today. 1) Our species started as a patchwork of peoples across Africa. 2) To understand how our ancestors became animals, consider the comb jelly! 1) https://www.nytimes.com/2023/05/17/science/human-origins-africa.html 2) https://www.nytimes.com/2023/05/17/science/first-animals-comb-jellies.html
Study Offers New Twist in How the First Humans Evolved

A new genetic analysis of 290 people suggests that humans emerged at various times and places in Africa.

The New York Times

@Carl_Zimmer An amazing read, thanks! I’ve always been puzzled by how west Africans and Europeans are so genetically similar while east Africans are genetically so different from those two.

This Stem1 and Stem2 theory could explain a lot.