Season 8

1. Energy

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

2014-03-10 • 30 min

2. Cancer

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

2014-03-17 • 30 min

3. Big Data

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

2014-03-24 • 30 min

4. Ageing

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

2014-03-31 • 30 min

5. Flu

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

2014-04-07 • 30 min

6. Flooding

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

2014-04-14 • 30 min

7. Trains

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

2014-04-28 • 30 min

8. Disaster Relief

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

2014-05-05 • 30 min