Andrew Stone goes in search of his ethnic roots with the help of science and a little bit of saliva.

The brain is truly a marvel. But is there a point where it reaches capacity? In other words, can the brain be "full"?

What do Charles Darwin's evolutionary theories have to do with the reasons people commit crime? Perhaps more than we realise.

Scientists discover genetic background to disease - and treatments are already available.

When and how, in the minefield of marital communication, can you have these conversations without them ending in a terrific, door-slamming row?

Feminists have debated it for decades, but scientists have finally got to the bottom of why men still exist.

A new study suggests that the love hormone, oxytocin, has similar effects to being drunk, and not just the more pleasant aspects of inebriation.

Bioprinted human skin has been on the scene for some time but cosmetics company L'Oreal is hoping to get into the game.

Are you one of the millions of people around the globe left shaking with terror at the sight of a needle? For many the thought of an injection alone inspires fear.

Are you tired of The Bachelor's fairytale illusions and want people to know the truth about being a single, straight woman in New Zealand?

Tanks growled across Red Square and fighter jets streaked overhead as Russia celebrated the 70th anniversary of the end of World War II with a mass-ranked display of military might.

The number of single women seeking fertility treatment has almost doubled in two years as career-minded professionals without partners opt to parent alone.

A breakthrough by New Zealand scientists could lead to a vaccine to treat a ghastly disease which mostly affects the poorest in the world.

A scientist specialising in anti-ageing research has made the bold claim that he will live to be 150, and he takes 100 drugs a day in pursuit of that goal.

A fungus found on caterpillars could be used to relieve pain in osteoarthritis sufferers, according to British researchers.

Scientists have found that the chance of being bitten by a mosquito is written in the genes and some people are just more likely to be attacked no matter what.

"I was trying really hard not to cry. I didn't want him to see me cry. I was trying hard to keep it together and just talk to him."

For the first time researchers have found that humans can detect whether another person is feeling joyful by their scent.

There are many different ways a sexologist may work. Here's the type of couple a clinical sexologist may encounter.

A New Zealand expert has dismissed plans for the world's first body transplant as "science fiction".

Thunderbirds creator's son tells why he took a DIY test to learn if he would inherit Alzheimer's.

Murray Jackson says he would rather die than suffer again the 19 violent jolts he received from a small defibrillator that had been implanted within his chest.

What makes one person seek out the spiciest chillis, while another enjoys only bland foods?

People could perceive your post-surgery personality differently, too, new research suggests.

A new type of HIV treatment involving the transfusion of a synthetic antibody has shown startling trial results.

Men are up to five times more likely to commit a sex crime than the average male if their father or brothers have been convicted of a serious sexual offence.

Violet Pietrok is two minutes older than her twin sister. She was born with a Tessier Cleft, a rare condition that left a fissure in her skull, so the facial bones didn't fully come together.

Sexual behaviour is notoriously difficult to measure, and the findings often dubious. Rowan Pelling meets the Cambridge academic who is analysing our most intimate secrets.