New Scientist: IT`S been called the cradle of humanity, but the significance of East Africa`s Turkana basin in human history is still unclear. Now some ancient herbivore teeth are revealing the region`s special climate around the time our genus Homo first appeared.
Turkana, part of the Great Rift Valley straddling Kenya and Ethiopia, has been a hallowed site for the study of human evolution ever since Maeve and Richard Leakey began uncovering fossils there in the 1960s. Ranging from Australopithecus to our own...