I reviewed four new science books for The New York Times. They span millions of years, beginning with the birth of humanity and ending with a serious look at AI.
The discovery of a jawbone and skull from two ancient hominids by mother and daughter team Maeve and Louise Leakey suggest that the human family tree may need rewriting. Unearthed in Kenya, the remains of Homo habilis and Homo erectus indicate that the two lived side-by-side in Africa for at least half a million years. Previously it was thought that they lived one after the other, Whether H. erectus evolved from H. habilis or whether they each arose from a common ancestor is yet to be discovered. National Geographic.