On this day in 1973, the remains of ‘Lucy’ were discovered. Lucy, a collection of fossilized bones that once made up the skeleton of a hominid from the Australopithecus afarensis species, is the oldest hominid ever discovered. She lived in Ethiopia 3.2 million years ago. It soon became apparent that Lucy was a significant find. In addition to being a remarkably complete skeleton, she belonged to a previously unknown species. One of the most important things about Lucy is that she walked upright. By studying her bones, in particular the structure of her knee and spine curvature, scientists were able…
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