A union representing bus drivers in Auckland says many are going to work fearing for their lives, as aggressive behaviour and intimidation reaches crisis point.

It's the five yearly door to door survey that literally counts us up, and gives us a picture of who we are, where we live, and how we identify. But after two disappointing censuses - Stats NZ says it is looking to move beyond the traditional way it has done the official count.

Science commentator Allan Blackman joins Kathryn to talk about the New Caledonian fork fern which now holds the record for the largest amount of DNA stored in its nucleus of any living organism on the planet. He'll also look at the stromatolites found in Saudi Arabia that are believed to be the earliest geological record of life on Earth. And it turns out the evolution of the length of giraffe's neck was driven by food, not sex. Allan Blackman is a Professor of Chemistry, School of Science, Auckland University of Technology.

Landscape gardener Xanthe White on the pros and cons of staking and garden frames.

Music commentator Kirsten Zemke joins Kathryn to look at which cities have inspired songs of their own - including perhaps, a surprising New Zealand contribution. Kirsten Zemke is an ethnomusicologist at the University of Auckland's School of Social Sciences.

John discusses the issues facing the Hauraki Gulf Forum and their response to last week's Budget.

Sonja de Friez reviews Long Island by Colm Toibin published by Macmillan.

Dr Ginni Mansberg is a GP who specialises in women's and children's health whose latest book takes a no-holds-barred look at menopause and how it can affect not only the women going through it, but also those around them.

Australia correspondent Karen Middleton talks about New Zealanders being able to join the Australian Defence Force as part of a solution to retention in the military. Who's eligible?

An Auckland startup has been approved to scale up its production of dairy proteins using genetically modified yeasts. Daisy Lab uses precision fermentation to make whey or casein products.