Episode 3 (Full Programme) | Body Snatchers
Killer microbes: the tiny bugs that can kill in minutes and have the potential to wipe out whole cities.Tweet
Electrolysis of aluminium | Inside the Factory
Cherry travels to Scotland to visit the UK's last remaining factory that produces aluminium via smelting and electrolysis.
Fecal transplant | Food on the Brain
Stephen hears about a new weight loss tactic of having a faecal transplant from a healthy person to encourage healthy bacteria in your gut.