Position: Senior research scientist, Plant & Food Research. Field: Phytochemical antioxidants. David was born in England and attended Wallington High School, near London, where he discovered ...
Research by Plant & Food scientists is aiming to breed kiwifruit cultivars that show resistance to the pathogen Psa. Listen to this RNZ audio, Psa-resistant kiwifruit, recorded in 2012 ...
Scientists around New Zealand have been working on how to combat the highly virulent pathogen Pseudomonas syringae pv. actinidiae (Psa) – a bacterial disease that has been plaguing the kiwifruit ...
Honey is antibacterial and can prevent growth of most types of bacteria. This experiment compares the effect of different types of honey on bacteria growing on agar plates. Purpose To compare the ...
The amount of water in honey depends upon the type and quality of the honey. In this experiment, you can compare different honeys to see how much water they contain. Purpose To compare the water ...
The presence of sugar crystals in honey affects the honey’s texture and palatability. In this experiment, you can investigate how crystals form in honey. Purpose To observe honey crystal ...
In this online citizen science (OCS) project, participants analyse electron microscope images taken of a range of biological samples, helping scientists better understand cancer, infectious ...
Students investigate the antibacterial properties of Mānuka honey and use their results to produce a dressing that can be used on a wound to kill any bacteria infecting it. Purpose To investigate ...
Students investigate the physical and chemical properties of various honeys to design a way to distinguish Mānuka honey from other types of honey. Purpose Students develop their knowledge of ...
Secondary students learn about bacteria, how the immune system responds to them and the use of honey to kill them in infected wounds. Experiments to explore the properties of different types of ...
Plant & Food Research’s Dr David Stevenson explains what free radicals are and how they are produced. He outlines the role of cellular structures called mitochondria in the production of free ...
New Zealanders are a nation of potato lovers. We also have a thriving export market for our potatoes. Unfortunately, the tomato/potato psyllid pest is costing our commercial potato industry ...
Tāhuri Whenua supports Māori growing taewa and other traditional Māori crops such as kūmara and kānga. Regular hui bring the growers together to share information and resources. This is helping ...
This interactive explains the different cells, microorganisms and molecules involved in the human immune system.
This interactive is a simple version of the human immune response to two different pathogens.
This interactive explains the first steps in the process of making traditional Gouda cheese. Find out more about the final steps in the cheese making process in this related interactive.
