Gun shots slow down and lose power almost immediately after they enter water - and the shark would need to have been on the surface for hits to be fatal, experts say.

Conservationists say our lack of protection measures for sharks is a source of global embarrassment but the industry argues the debate is clouded by emotion.

Mosquitos can grow immune to repellent in as quickly as three hours, according to new research.

The scientist who has given a "sixth sense" to laboratory animals has promised an even bigger revolution in the research field he has pioneered.

Lower Hutt mum Sarah Mahy says the Canterbury University study might clarify for her how concerned she should be about her children's speech.

The pending introduction of 11 species of dung beetles to New Zealand has been blasted as a potential biosecurity disaster by Auckland University's Dean of Science.

A controversial decision by the environment authority to approve the introduction of 11 new species of dung beetle to this country has exposed serious weaknesses in our biosecurity processes.

Could it be that the humble sea urchin has come to the rescue? Sam Judd finds that the latest technological breakthrough for waging war on carbon emissions has the spiny sea creatures to thank.

Even though wheelchairs may fold up for easy transport in a car or plane, their wheels don't get smaller. That's where the Morph Folding Wheelchair Wheel comes in.

Scientists say they have seen the future of genetically modified foods and have concluded that it is orange or, more precisely, golden.

An expedition to one of the deepest ocean trenches has discovered a new species of fish and another not previously caught in the southwest Pacific.

There are only 7 northern white rhinos left in the world and 4 of them live in the Ol Pejeta Conservancy in Kenya. Protecting them and the other rhinos, elephants, leopards and other animals in the reserve is a particularly hard job for the 190 rangers.

White Island has been spewing mud and rock several tens of metres into the air in the past few days, as GNS Science warns of a greater risk to visitors.