Superbowl heart attacks

Robert Kloner's a cardiologist who's found that deaths due to heart attacks can rise during major sporting events.

The Digital Beyond

Evan Carroll is one of the co-founders of Digital Beyond, a website advising people what to do with digital identities after death.

Food additives: gasses

Gas in our foods and not just in fizzy drinks either. There's gas in meat and ice cream too....yum! With Associate Professor Matt Golding of Massey University.

Hangover cure

Professor Michael Oshinsky of Thomas Jefferson University's been hunting for the perfect hangover cure.

London calling

UK news with expat kiwi Chris Parkin. London gets a makeover before the big Royal Wedding and calls for a ban on Chinese lanterns. Plus a crematorium using the heat it produces to warm up the local swimming pool!

Sahara Forest Project

BIll Watts of the Sahara Forest Project, a plan to turn the Sahara Desert into productive agricultural land.

Weeds: Richard Mabey

Richard Mabey talks about his book 'Weeds: How Vagabond Plants Gatecrashed Civilisation And Changed The Way We Think About Nature'.