Fossil Confusion in Ethiopia: Are Evolutionary Trees Built on Toothpicks?

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A new study published in Nature describes the discovery of 13 fossilized teeth from the Ledi-Geraru site in Ethiopia. They have been dated to between 2.6 and 2.8 million years ago and are attributed to two distinct hominin species: early Homo and a newly identified Australopithecus relative.1 The researchers argue that this find supports a “bushy tree” model of human evolution, where multiple spec… More…

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