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Scientists have discovered the oldest known skeleton of a human ancestor. The remains were found in Ethiopia and belong to a species called Ardipithecus ramidus, nicknamed Ardi. Dating back 4.4 million years old, Ardi predates the previous oldest known human ancestor, Lucy, by around 1 million years. Ardi shows traits of an unknown stage of early human evolution and provides insight into how humans evolved to walk upright around 6 million years ago, though Ardi had short legs and could not walk or run long

Author

mattysensei

Language

EN