Programme allows drug users to test drug purity

More than 400,000 people are estimated to have used drugs for recreational purposes in New Zealand last year.

• Should Hamilton get their fluoride?

  The people of Hamilton have told their council what they want in their water, and they want fluoride.

• Self-driving cars on the road soon

  It's estimated most people will be using self-driving cars within 20 years.

• Treatment offers hope to headache sufferers

  Up to one in seven people suffer from chronic headaches. But science may have found a new way to help them.

• New Zealand-made cars feature in new book

  Car enthusiasts are flocking to Porirua this weekend, where more than 100 New Zealand-designed and built vehicles are on display.

• Hope in the fight against prostate cancer

  Peter Williams' fight against prostate cancer has been long and painful, but recently his quality of life has improved thanks to a new drug called zytiga.

• Knitting for blokes

  Campbell Live takes a look at the movement behind men's knitting.

• Man bikes across Hudson River

  Cycling is a healthy, cheap and efficient way to commute - unless you've got a body of water to cross.

• VIDEO: Auckland's animal blessing ceremony

  Traffic paused in central Auckland today when hundreds of animals and their owners marched up Queen St to mark the birthday of Saint Francis of Assisi.

• Historic veteran's home gets rejuvenation

  Ranfurly House has been providing shelter to war veterans for more than 110 years.

• John Trinder's elusive pen

  John Trinder has 54,000 pens, but he still doesn't have the one he truly desires.

• Programme allows drug users to test drug purity

  More than 400,000 people are estimated to have used drugs for recreational purposes in New Zealand last year.

• Perseverance key in getting kids to eat vegetables

  Scientists say they may have found the secret to getting children to eat their vegetables.

• One-dose breast cancer treatment rolled out

  Two breast cancer patients have become the first women in New Zealand to be treated with a revolutionary, one-dose treatment.

• Adult items created for Little Shop

  Fans of New World's Little Shop collectable groceries could be looking for a few more adult items to complete their set.

• New gear helps boaties with lightning

  A Canterbury University student is working to ensure their equipment can cope with a sizeable strike.

• Artificial leg controlled by user's mind

  For the first time ever, doctors have developed an artificial leg that's controlled by the wearer's mind.

• Could sharks save lives?

  Antibodies found only in the bodies of sharks could help in the battle against breast cancer.

• Exercise addicts: What's really in pre-workout supplements?

  The new big thing in the fitness market is pre-workout supplements.

• Samoan woman's 100th birthday bash

  An Auckland woman who has more than 500 descendants has celebrated her 100th birthday.

• Kiwi named top night photographer

  A Wellington man has just been named the world's best photographer of the night sky.