All bony fish have small calcareous structures in their inner ear called otoliths, or ear bones, which perform balance and hearing functions. Otoliths develop at the very beginning of a fish's ...

Researchers used powerful technology to analyse thousands of individual cells at once, considering which genes are active.

And you see fish like these, the first jawed fish ... Professor Brian Cox explains the evolution of the mammalian ear bones, the malleus, incus and stapes. He uses a flip-book animation to ...

In the new study, researchers used powerful technology to analyse thousands of individual cells at once, considering which ...