3/3 Jolyon Jenkins meets the people zapping their brains with DIY electrical devices.
2/3 Jolyon Jenkins explores Esperanto, the language designed to bring world peace and harmony.
1/3 Jolyon Jenkins investigates the shadowy world of online unregulated sperm donation.
2/3 Why do so many women think their men have Asperger's syndrome? Jolyon Jenkins investigates
3/3 Who do you want to read your old emails when you die? Are the dead entitled to privacy?
3/3 Jolyon Jenkins meets those who think the sick can be cured through the power of prayer.
1/3 Jolyon Jenkins investigates 'pickup artists', men who know the secrets of seduction.
2/3 Can the dead talk to us? Jolyon Jenkins looks into EVP - alleged voices from the far side.
1/3 Jolyon Jenkins reports on the extreme treatments bald men are putting themselves through.