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Wonders of Life Original Series Episodes Available now
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5/5 Brian Cox considers what it is about our world that makes it a home for life.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01j2rl4.jpg)
Size Matters
4/5 In this episode, Brian travels round Australia to explore the physics of the size of life.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01j2fsj.jpg)
Endless Forms Most Beautiful
3/5 Brian Cox asks how a lifeless cosmos can produce a planet of such varied biology.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01j2b25.jpg)
Expanding Universe
2/5 Prof Brian Cox visits the USA to retell evolutionary history and the origin of the senses.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01l9bjj.jpg)
What Is Life?
1/5 Professor Brian Cox journeys to South-East Asia to understand how life first began.