Season 6, Episode 8
What is behind our special relationship with dogs? Liz compares dogs to wolves to see the effects of domestication, and Philippa Forrester discovers how dogs can be good for your health.
Season 6, Episode 7
The team looks at travel nightmares. Liz investigates what causes traffic jams, whether lane switching works and how to beat travel sickness. Meanwhile Jem builds a home-made airplane.
Season 6, Episode 6
Jem dreams of flying on a homemade airplane, while Liz explores how hormones and blood sugar affect our energy and mood. Dallas asks if we really need to drink eight glasses of water a day.
Season 6, Episode 5
26 years after his first report on the issue, Howard Stableford brings us up to date on the health risks of wireless signals and Jem explores wire-free electricity.