4: Size Matters | Wonders of Life

Brian travels across Australia to explore the physics of the size of life. He discovers that size has a profound effect on how you move, how you feed, even how long you live.

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More episodes from this series

1: What Is Life? | Wonders of Life

1: What Is Life? | Wonders of Life

BBC Two | 2013 | 59'38''

In the world's most volcanic region, South East Asia, Prof Brian Cox explores the thin line that separates the living from the dead, posin...

2: Expanding Universe | Wonders of Life

2: Expanding Universe | Wonders of Life

BBC Two | 2013 | 59'14''

Brian Cox travels across the USA offering a unique retelling of evolutionary history, encountering some astonishing animals that reve...

3: Endless Forms Most Beautiful | Wonders of Life

3: Endless Forms Most Beautiful | Wonders of Life

BBC Two | 2013 | 59'12''

Professor Brian Cox asks how, from a lifeless cosmos ruled by the laws of physics and chemistry, it is possible that a plan...

4: Size Matters | Wonders of Life

4: Size Matters | Wonders of Life

BBC Two | 2013 | 58'45''

Brian travels across Australia to explore the physics of the size of life. He discovers that size has a profound effect on how you move, ho...

5: Home | Wonders of Life

5: Home | Wonders of Life

BBC Two | 2013 | 58'50''

Brian Cox considers what it is about our world that makes it a home for life and asks what transformed this once barren planet into the earth we kn...
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