How Much Has Our Hands and Feet Changed?

Hands and feet are what's connecting us to the world. And we barely cover that. In the last hundred years, the density and size of our mandible, our lower jawbone, has changed - just ecause we don't have to chew food any more. We're taking in sensory information through your eyes, your nose, yor or your senses,. Through your ears, s your breath, you know what you're feeling. Then, course, your hands, or connecting to the outside world, your faetr of course, connected to the body. Over the years, if you mentioned a hundred, 50 years ago, how much has our foot changed? How much has our