Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no ...
The inner ear is responsible for our sense of balance and the ability to stabilize our gaze, even when we are moving around. However, a new study in Nature Communications discovered this is not the ...
Evolution is a master recycler. It often uses old structures (or ancient genes) for new jobs. The mammalian ear is a perfect example. Over the eons, the jawbones of our fish ancestors became three ...