Human ancestor fossils a million years older than thought
New dating technique of famous fossils from a South African cave may force an evolutionary re-evaluation.
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New dating technique of famous fossils from a South African cave may force an evolutionary re-evaluation.
New research says fossils in cave at South Africa's Cradle of Humankind heritage site are between 3.4 and 3.7 million years old. The fossils of our earliest ancestors found in South Africa are a million years older than previously thought,...
Fossils found at the Sterkfontein Caves in South Africa reveal nearly four million years of hominin and environmental evolution. Since research began at the site in 1936 with the discovery, by Robert Broom, of the first adult hominin of the genus Aus
Darryl Granger of Purdue University developed the technology that updated the age of an Australopithecus found in Sterkfontein Cave. New data pushes its age back more than a million years, to 3.67 million years old.
The new age estimation was made using the radioactive decay of aluminum and beryllium isotopes in the rocks buried at the same time as the fossils, according to the researchers.