Your inner reptile. A 4 minute video explains how we hear with the bones that reptiles eat with. Neil Shubin (author of Your Inner Fish) and another scientist explains how this happened and the evidence for it. This was well done. Everyone should see this. "Our ears are much more sensitive than most reptiles', due to the tiniest bones in the human body. But where did these bones come from? Evolutionary biologists Karen Sears and Neil Shubin show us evidence of their connection to the bones of ancient reptilian jaws."