Barbara Oliver has had an intriguing relationship with her identical twin sister, Christine, over the decades. Throughout their childhoods they were treated as two versions of the one person: they were dressed the same and given the same hairstyles.

Well, it was only a matter of time ... but yes, I'm pleased to announce there's been another sighting of the Agogwe in Africa.

University of Otago researchers are pounding the pavement with dog-owners to discover how taking a walk with man's best friend affects a person's wellbeing.

Data from nuclear bomb testing helped New Zealand scientists pinpoint the age of a skeleton found in Australia, leading to a decades-old cold case being reopened.

A popular health supplement often promoted as an anti-ageing substance helps yeasts and worms live longer, but there is no evidence it does the same for humans.

Copper coins and a 70-year-old map with an "x" may lead to a discovery that could rewrite Australia's history.

Scientists have finally recovered stem cells from cloned human embryos, a longstanding goal that could lead to new treatments for such illnesses as Parkinson's disease and diabetes.

Many left-wing thinkers believe we have no "agency" or ability to make conscious choices, writes Deborah Hill Cone. Until we can work this one out we are not going to make much progress with rewiring criminals.

Scientists have uncovered what, for some couples, may be an uncomfortable truth: all people of European descent are related.

The temporary hearing loss from an outing at a noisy nightclub may not indicate damage to our ears as traditionally thought, new research shows.

Melanoma experts from New Zealand and around the world will meet in Wellington tomorrow to discuss latest research and plans to reduce incidence and impact of the cancer.

US President Barack Obama has proposed an effort to map the brain's activity in unprecedented detail, as a step toward finding better ways to treat such conditions as Alzheimer's, autism, stroke and traumatic brain injuries.

I've only once felt a fear of flying. We were four passengers and a pilot in an ageing Britten-Norman Islander.

A surprising 300 to 500 people per month in the US lose part of their skull thanks to disease or accident.

The belief that nervous shock can cause you to go grey overnight (medically termed canities subita) is one of those tales that could nearly be true.

The Government's chief pharmaceutical officer, Keith Ridge, said although the control mechanism for prescribing antibiotics had been strengthened in hospitals.

Scientists appear a step closer to conquering the Aids virus after doctors in the United States confirmed they had cured an infant born with HIV for the first time.

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

A Herald editorial has made a case for Labour's new housing policy and the intensification of terraced houses and apartment units in Auckland it will lead to.

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

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.

Acclimatising to heat is a tough gig. Since 1970, central Australian regions have warmed 1.2C and as the world continues to get warmer.

Just about everyone has some point in their life checked their resting pulse rate. Self-trackers go further, using apps and other devices to find out as much as possible about their bodies.