419-million-year-old Chinese fossil shows human middle ear evolved from fish gills
3D Shuyu puzzle. Credit: IVPP The human middle ear, home to three small, vibrating bones, is essential for transmitting sound vibrations to the inner ear, where they become nerve impulses that allow us to hear. Embryonic and fossil evidence proves that the human middle ear originated from the miracle fish. However, the origin of vertebrate … Read more