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Back up to: Bang Goes the Theory

1. Disaster Relief

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

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

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

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

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

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

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

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