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Scientists study bloodstain patterns
The study of blood-splatter patterns, made famous by popular TV crime shows CSI and Dexter, is being looked at by NZ researchers.

Gwynne Dyer: India's Mars trip as vain as the rest
The Curse of Mars also applies to Asian countries, writes Gwynne Dyer. About two-thirds of the attempted missions to Mars have failed, many of them even before leaving Earth's orbit.

Milky Way rife with planets in habitable zone
The Milky Way galaxy is teeming with Earth-like planets that are not too hot and not too cold for liquid water to exist at their surface - and so be capable of supporting life.

Trench gives up its secrets
Forget all that creaking and groaning of stressed metal as the pressure of millions of tonnes of water comes to bear. That's pure Hollywood. It's actually dead quiet.

Inside the Kermadec Trench
A joint Japanese/New Zealand survey of the Kermadec Trench has returned with shots of the weird and wonderful life deep beneath the sea off New Zealand. Photos / Japan Agency for Marine-Earth Science and Technology

Pushing the boundaries
They are novel DNA-changing techniques that blur the lines around what is and what isn't genetic engineering.

Sam Judd: Global Partnership on Marine Litter
In the last of a three-part series, Young New Zealander of the Year and CEO of the Sustainable Coastlines Charitable Trust ,Sam Judd, discusses the United Nations Environment Programs’ Global Partnership on Marine Litter.

Clint J. Perry: Using our brains on animal intelligence
Solving problems isn't exclusively human but working out how animals do it is tricky, writes Clint J. Perry.

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

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

Why do we daydream?
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.

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

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

DNA links Abominable Snowman to ancient polar bear
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.

1.8 million-year-old skull
The discovery of a 1.8-million-year-old skull of a human ancestor buried under a medieval Georgian village provides a vivid picture of early evolution and indicates our family tree may have fewer branches than some believe, scientists say.

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

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

Fred Mendelsohn: Discoveries open pathway to revealing secrets of the brain
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.

Andrew Hammond: Tide turning on climate change
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.

Giant waves pose huge risks
New report which rewrites danger level across the country requires big changes to civil defence readiness.

Climate report 'a wake-up call'
A damning international report on mankind's role in climate change should be a wake-up call for urgent action, New Zealand environmentalists say.

Sunpower plan to cut gases
Two of Britain's leading scientists have urged the setting up of a world programme to generate solar electricity that is cheaper than fossil fuel power by 2025.

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

Want to know state of the planet? Count penguins
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.