A Kiwi invention is helping the blind to see - virtually.

A good night's sleep may be the key to preventing brain diseases such as Alzheimer's, a study has found.

We are usually told that daydreaming is a waste of time and mental power, but the ability to daydream offers us tremendous flexibility in our daily lives.

Every day, millions of tons of inadequately treated sewage, industrial and agricultural waste enters the world's waterways, writes Sam Judd.

New Zealand scientists have unearthed what may be a main reason nicotine replacement therapy is not a failsafe cure for tobacco addiction.

A British scientist says he may have solved the mystery of the Abominable Snowman - the elusive ape-like creature of the Himalayas. He thinks it's a bear.

A recent discovery that agricultural practices help form clouds could change the way we see New Zealand's environmental performance.

Sam Judd writes that perhaps the biggest environmental problem we currently face is the contamination of our waterways by nutrients.

Brain expert Jenni Ogden was one of handful of specialists granted access to the most studied patient in medical history.

The brain is the most complicated object in the known universe, writes Fred Mendelsohn. Its 100 billion nerve cells (nearly 20 times the number of people on earth) are each connected to thousands of other nerve cells in a bewilderingly complex network.

New report which rewrites danger level across the country requires big changes to civil defence readiness.

The Intergovernmental Panel on Climate Change has released the most comprehensive ever study on global warming, prepared by more than 200 scientists over two years.

Consumers are not being properly informed when the product they are buying has been processed with genetically modified organisms, the Green Party says.

As key indicators of climate change, penguins serve a crucial role for scientists examining what fluctuations in the white continent mean for the rest of the world.

Gales of up to 100km/h are set to lash the North Island this weekend after a brief respite from this week's heavy rain and gales.

The threat of a huge, landslide-triggered tsunami to Wellington lurks below the water only 10km off the city's coast - but the region's quakes haven't come near what it would take to trigger one.

The Cook Strait Canyon isn't the only underwater chasm that scientists worry could pose a serious threat to the country.

A future where a criminal's genetic make-up affects how long they spend in jail and whether they are released was discussed at a lecture in Dunedin last night.

A Chinese man has had a new nose grown on his forehead. The man, who has only been named as Xiaolian, had the treatment to create a replacement for his original nose which was infected and deformed.

A boy, injured when acid splashed in his eye during a science class, will need up to a year to recover.

Persistent prompting by an Auckland scientist has persuaded the shipping industry to rearrange its schedules, for a whale.

In an emotion-charged ceremony, Rochelle Constantine was one of three inaugural recipients of the Holdaway Awards at the Hauraki Gulf Forum's annual seminar this month.