3D reconstruction of lower limb muscles of Australopithecus afarensis fossil AL 288-1, aka “Lucy.” Credit: Ashleigh Wiseman 3D reconstruction of lower limb muscles of Australopithecus afarensis fossil AL 288-1, aka “Lucy.” Credit: Ashleigh Wiseman
One of the most famous fossils in human evolutionary history is known as “Lucy,” who belonged to an extinct species called Australopithecus afarensis—an early relative of Homo sapiens who was among the first hominins to walk upright. But scientists have long debated the extent of her bipedalism. Now a 3D digital re-creation of Lucy’s muscular anatomy, combined with computer simulations, has
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