A seven-million-year-old fossil may rewrite human origins, showing our ancestors were walking upright far earlier than anyone expected.
Some of the once-natural breeds are more closely connected to their roots than others are. Modern Siberian cats, for example, ...
They drew with crayons, possibly fed on maggots and maybe even kissed us: Forty millenniums later, our ancient human cousins ...
New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.
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