Add Yahoo as a preferred source to see more of our stories on Google. The long thumb and straight fingers would have allowed Paranthropus boisei to form a powerful grip, similar to how modern humans ...

The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence ...

With its opposable thumb, multiple joints and gripping skin, human hands are often considered to be the pinnacle of dexterity ...

Sally Christine Reynolds does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...