Air date: 2014-03-10

Runtime: 30 min

The team investigate how close Britain might get to running out of electricity.

Air date: 2014-03-17

Runtime: 30 min

Liz Bonnin explains how cells turn cancerous by blowing high-tech bubbles.

Air date: 2014-03-24

Runtime: 30 min

Liz Bonnin takes a look at how big data monitors Rolls Royce jet engines.

Air date: 2014-03-31

Runtime: 30 min

The team investigate the ill effects of old age, from weakened bones to dementia.

Air date: 2014-04-07

Runtime: 30 min

The team look at flu, with Jem Stansfield explaining the disease on a cellular level.

Air date: 2014-04-14

Runtime: 30 min

With the waters receding, the team takes a more considered look at the recent floods.

Air date: 2014-04-28

Runtime: 30 min

The team look at measures engineers take to ensure Britain's rail system stays on track.

Air date: 2014-05-05

Runtime: 30 min

A look at the problems the humanitarian community faces when tackling a disaster.