"Lucy," our 3.2 million-year-old hominin relative ... efficiently on two feet arose around 2 million years ago with our Homo erectus ancestors. But our earlier relatives, the australopithecines ...

Lucy, a 3.2-million-year-old ancestor of humans ... and run efficiently on two legs began two million years ago with Homo erectus. We also know that four million years ago, Australopithecus ...

His legs were relatively long in proportion to his body compared to earlier hominids like Lucy. With his tall ... With the appearance Homo erectus/ergaster in the fossil record we also see ...

This species includes "Lucy," the 3.2 million year old fossil ... but smaller than the Homo erectus brain. The first example of Homo erectus, known as "Java Man," was discovered in Indonesia ...

Prof Scott Simpson from Case Western Reserve University in Cleveland, Ohio was our contributor for Homo Erectus and Prof Carol Ward from the University of Missouri helped explain why ‘Lucy ...