Human Ancestor 'Family' May Not Have Been Related
In a new examination of Laetoli in northern Tanzania, where a 3.6-million-year-old track of footprints of the bipedal human ancestor Australopithecus is preserved, researchers now argue that the classic understanding of this site is mistaken. The footprints have been buried since the mid-1990s for preservation, but a section recently opened for study as Tanzanian officials make plans for a museum on the site....
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