Wonders of Life 2

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This is a continuation of our response to the BBC’s recent series Wonders of Life, presented by Professor Brian Cox.1 The subtitle Endless forms most beautiful, is the title of Episode 3 of the BBC series and is taken from the last sentence of Darwin’s Origin of Species.2 Part 1 of our response can be found here.

Evolution of the ear (Episode 2)

Cox made the claim that certain bones in our ears had clearly evolved from reptilian ancestors and, before that, jawless fish that lived around 530 million years ago. These bones, known as the malleus, incus and stapes, sit between the ear drum and the entrance to the inner ear and help to channel and amplify sound, acting as a series of levers magnifying the movement of the ear drum.

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