'An almost two-million-year-old finger bone - unearthed in East Africa - suggests modern humans evolved earlier than previously thought, scientists say.
The 1.85-million-year-old little finger bone, dubbed OH 86, was found at the Olduvai Gorge paleontological site in northern Tanzania and is believed by scientists to belong to an unidentified ancient hominin species, Daily Mail reported on Wednesday.
The discovery pushes back the origin of the modern-human-like hand-ideal for grasping tools, but inadequate for climbing trees - by around 400,000 years.
"This bone belongs to somebody who's not spending any time in the trees at all," said the study's lead author Manuel Dominguez-Rodrigo.'
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