On the ancient plains of Ethiopia, early human relatives were already trying out different ways of being upright. If you grew up hearing about Lucy as the main star of that era, new fossil finds invite you to picture a busier scene, with at least…
On the ancient plains of Ethiopia, early human relatives were already trying out different ways of being upright. If you grew up hearing about Lucy as the main star of that era, new fossil finds invite you to picture a busier scene, with at least…