MELBOURNE, Dec. 15 (Xinhua) — An international study has challenged the long-held classification of one of the world’s most complete ancient human fossils, raising the possibility of an unknown human ancestor.
The fossil, found in South…
MELBOURNE, Dec. 15 (Xinhua) — An international study has challenged the long-held classification of one of the world’s most complete ancient human fossils, raising the possibility of an unknown human ancestor.
The fossil, found in South…