This Way Up for Saturday 4 April 2009 This Way Up

Michael Behar on the latest technologies being used to fight hair loss, everything from in vitro hair cloning to hair farms.

We meet Fenton Wood, an ex-policeman growing real wasabi in the South Island.

Writer Jeff Jarvis is trying to get people and businesses asking themselves"What would Google do?".

British inventor Peter Hughes is using cars, buses and trucks to generate electricity.

Paul Thompson on the tent cities springing up in California to house the victims of the credit crunch.

Louisa Lim on the Chinese government moves to crack down on pyramid schemes.

This Way Up for Saturday 4 April 2009