New research uncovers how two ancient hominids used their hands in unique ways for climbing, tool use, and movement.

Orangutans move with a fist-walking hand posture (fingers entirely ... Morton (1924) argued that the reason primates elongated the calcaneus and the navicular bones higher up in the foot instead ...

Scientists have found new evidence for how our fossil human relatives in South Africa may have used their hands.

2009; Figure 2). However, these are very rare cases. Instead, primates are usually preserved as petrified teeth and bones that can be extracted from the surrounding rock. These kinds of fossils ...