Pint of Science: Worm tales and why they matter to us

Professor Alison Woollard, presenter of the Royal Institution Christmas Lectures 2013, is joined by Karolina Chocian to explore what the nematode worm can tell us about the human body. How do we develop from egg to adult? How do cells know what to do, and why must some of them die? How and why do we age?

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