Oldest Bipedal Fossil Discovered!

Just came across this amazing LiveScience.com article on the discovery of a 6-million-year-old fossil believed to be the earliest bipedal fossil hominin ever discovered!

Here’s more on this thought-provoking story:

New Fossil Is Oldest Upright Walker

Tags: bipedalism, Brian Richmond, debate, fossil hominin, fossilized femur bone, fossils, George Washington University, hominin, Orrorin tugenensis, paleoanthropologist William Jungers, pre-humans, Stony Brook University