Broadcast: Ausust 18, 2025 at 4:00 p.m.
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What physical activity gives you joy? Whether it’s walking, running, dancing or swimming, your body evolved to do it. We are made for movement. But there’s a cost as anyone with a sore neck or aching back knows. From the tiny muscles in our skin, which raise the hair on our arms, to the intricate mix of bone, blood vessels, and nerves in our neck, natural selection has struck a delicate and sometimes wacky balance between utility and form.
In this episode, we explore how parts of the body - our muscles, neck and feet - came to be, and what forces prompted the evolution of efficient yet imperfect bodies.