KiwiSaver 1: Statements

KiwiSaver statements pop through the letterbox every few months. So what can they tell you, and how can you make sure you're not getting fleeced with fees? With Chris Douglas of Morningstar Australasia and Amanda Morrall of interest.co.nz.

Naked Science

Dr Chris Smith beams in with the latest science news. This week, scientists discover the genetic basis for facial appearance, and using Glasgow's disused mines to heat homes.

Bioprinting

Using 3D printer technology to print human organs. We're speaking to surgeon Robin Levin, who works in biomedicine, about the possibilities.

Tech news: iPhone 5

Charles Arthur, the Guardian's technology editor, has a look at the new iPhone 5 launched earlier this week.

Fermentation: Sandor Katz

Sandor Katz is a fermentation revivalist! His new book 'The Art of Fermentation' is like a DIY guide for home fermentation.

How to make kefir

Kefir is basically some bacteria and some yeast living together in symbiotic love.

The kefir grains look a litlte bit like cauliflower florets - they're small, about 1cm across.

Put these into milk to ferment and you end up with a kind of sour drinkable yoghurt that has high levels of vitamin B12, calcium, magnesium, vitamin K2, biotin, folate, enzymes and probiotics.