Portion sizes in depictions of the most famous meal in history - the Last Supper - have ballooned over the past millennium, a study shows.

Professor Richard Faull has spent 35 years studying the human brain so he can help people affected by brain disorders including Parkinson's, Alzheimer's and Huntington's disease.

Animal rights protesters - and one beagle - picketed outside the venue for a speech by animal testing scientist Allen Goldenthal yesterday.

Men believe they suffer the same symptoms of pregnancy as their partners, according to a new survey.

Scientists have identified the genes of the opium poppy responsible for the production of the painkillers codeine and morphine.

National belt-tightening could be of more benefit to a country's sense of wellbeing than soaring wealth levels, a study has found.

Buzz Aldrin is in Auckland for three days to attend the Planet 2010 telecoms conference.

John Watt has been named the top emerging scientist in the PM's science awards, for research aimed at cutting vehicle exhaust pollution.

When I'm having a bad day and struggling to spell Aquarius, I think of the intellectuals trying to find the answer to the theory of everything.

Some say they died out from general stupidity, others argue that they drowned in their own dung - but scientists have confirmed a giant asteroid caused the demise of dinosaurs.

A new study strengthens the case for global warming as a result of man-made emissions.

An American author who claims to have earned a doctorate at Victoria University has no such qualification, the university says.

NZ researchers appear to be gearing up for a new bid to win over consumers before the first applications for release of GE pasture species.