5/5. 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 know today. Also in HD. [S,AD,SL]
3/5. Professor Brian Cox asks how, from a lifeless cosmos ruled by the laws of physics and chemistry, it is possible that a planet can produce so much wonderful, varied biology. Also in HD. [S,AD,SL]
5/5. 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 know today. Also in HD. [S,AD]
4/5. 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. Also in HD. [S,AD]
3/5. Professor Brian Cox asks how, from a lifeless cosmos ruled by the laws of physics and chemistry, it is possible that a planet can produce so much wonderful, varied biology. Also in HD. [S,AD]
1/5. In the world's most volcanic region, South East Asia, Prof Brian Cox explores the thin line that separates the living from the dead, posing the enduring question: what is life? Also in HD. [S,AD]