Episode 1
The team investigate how close Britain might get to running out of electricity.
Episode 2
Liz Bonnin explains how cells turn cancerous by blowing high-tech bubbles.
Episode 3
Liz Bonnin takes a look at how big data monitors Rolls Royce jet engines.
Episode 4
The team investigate the ill effects of old age, from weakened bones to dementia.
Episode 5
The team look at flu, with Jem Stansfield explaining the disease on a cellular level.
Episode 6
With the waters receding, the team takes a more considered look at the recent floods.
Episode 7
The team look at measures engineers take to ensure Britain's rail system stays on track.
Episode 8
A look at the problems the humanitarian community faces when tackling a disaster.
