Season 8

1. Energy

2014-03-10 · 30m

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

2. Cancer

2014-03-17 · 30m

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

3. Big Data

2014-03-24 · 30m

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

4. Ageing

2014-03-31 · 30m

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

5. Flu

2014-04-07 · 30m

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

6. Flooding

2014-04-14 · 30m

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

7. Trains

2014-04-28 · 30m

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

8. Disaster Relief

2014-05-05 · 30m

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