Preparing samples for the electron microscope

https://www.sciencelearn.org.nz/resources/500-preparing-samples-for-the-electron-microscope
Electron microscopes are very powerful tools for visualising biological samples. They enable ...

Impacts of biotechnology on society

https://www.sciencelearn.org.nz/resources/1209-impacts-of-biotechnology-on-society
Biotechnology has helped improve the quality of people’s lives for over 10,000 years. Today’s ...

Digestion – breaking the large into the small

https://www.sciencelearn.org.nz/resources/1830-digestion-breaking-the-large-into-the-small
Digestion of food involves both physical and chemical processes. Through digestion, large food ...

The human digestive system

https://www.sciencelearn.org.nz/resources/1829-the-human-digestive-system
The human digestive system consists of a long muscular tube and several accessory organs such ...

Modern biotechnology

https://www.sciencelearn.org.nz/resources/1206-modern-biotechnology
The discovery that genes are made up of DNA and can be isolated, copied and manipulated has led ...

Using isotopes as tracers

https://www.sciencelearn.org.nz/resources/1801-using-isotopes-as-tracers
Radioactive isotopes have many useful applications in a wide variety of situations, for ...

Rate of digestion

https://www.sciencelearn.org.nz/resources/1834-rate-of-digestion
Digestion of food involves chemical reactions that break up large food molecules into their ...

Hormonal control of digestion

https://www.sciencelearn.org.nz/resources/1836-hormonal-control-of-digestion
It has now been well established that gut hormones have a key role in controlling food intake ...

Digestion chemistry – introduction

https://www.sciencelearn.org.nz/resources/1826-digestion-chemistry-introduction
Food plays an extremely important part in the lives of all humans. After ingestion, the food is ...

Energy requirements of the body

https://www.sciencelearn.org.nz/resources/1835-energy-requirements-of-the-body
The macronutrients (carbohydrates, proteins, fats and oils) we consume in our diet help to ...

History of xenotransplantation

https://www.sciencelearn.org.nz/resources/1214-history-of-xenotransplantation
Xenotransplantation was attempted unsuccessfully in the early 1900s. Several key research ...

Ancient biotechnology

https://www.sciencelearn.org.nz/resources/1204-ancient-biotechnology
Early examples of biotechnology include the domestication of animals, planting of crops and the ...

Xenotransplantation – introduction

https://www.sciencelearn.org.nz/resources/1213-xenotransplantation-introduction
Xenotransplantation is when living cells, tissues or organs are transplanted between species ...

Stem cell research – timeline

https://www.sciencelearn.org.nz/resources/1967-stem-cell-research-timeline
The last 10 years have seen a huge increase in research into stem cells, but when did it all ...

Healthy gut bacteria

https://www.sciencelearn.org.nz/resources/1837-healthy-gut-bacteria
For most of the time, the population of bacteria in the large intestine lives in balance within ...

Xenotransplantation – timeline

https://www.sciencelearn.org.nz/resources/2125-xenotransplantation-timeline
This timeline features some of the key events in xenotransplantation from the early 1900s until ...

How honey heals wounds

https://www.sciencelearn.org.nz/resources/1702-how-honey-heals-wounds
All honeys have properties that help them heal wounds. But how do they do this, and what’s so ...

Bone marrow transplants – timeline

https://www.sciencelearn.org.nz/resources/1971-bone-marrow-transplants-timeline
Bone marrow transplants are now routinely carried out worldwide to treat people with ...

New Zealand’s National Science Challenges

https://www.sciencelearn.org.nz/resources/1112-new-zealand-s-national-science-challenges
As New Zealanders looking to the future, we are faced with many opportunities – and challenges ...

Antibacterial effects of honey - experiment

https://www.sciencelearn.org.nz/resources/1713-antibacterial-effects-of-honey-experiment
Honey is antibacterial and can prevent growth of most types of bacteria. This experiment ...

X-ray imaging

https://www.sciencelearn.org.nz/resources/985-x-ray-imaging
X-rays are a form of electromagnetic radiation. They strike an object and, depending on the ...

Nanoscience explained

https://www.sciencelearn.org.nz/resources/1640-nanoscience-explained
‘Nano’ means small, right? Sort of. To scientists, ‘nano’ doesn’t just mean small. It means ...

What is biotechnology?

https://www.sciencelearn.org.nz/resources/1201-what-is-biotechnology
‘Biotechnology’ generally refers to the use of a living organism or part of a living organism ...

Stem cells

https://www.sciencelearn.org.nz/resources/1965-stem-cells
How does a complex organism, like a person, develop from a single cell? Stem cell research is ...
Load more