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Dr David Stevenson

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 ...

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ARTICLE

Dr Ravi Gooneratne

Position: Associate Professor, Lincoln University. Field: Agriculture and Life Sciences. Dr Ravi Gooneratne is an Associate Professor in the Agriculture and Life Sciences Division at Lincoln ...

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ARTICLE

Phytochemicals

Phytochemicals are naturally occurring, biologically active chemical compounds in plants. The prefix ‘phyto’ is from a Greek word meaning plant. The presence of certain types of phytochemicals in ...

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ACTIVITY

Farming and environmental issues

In this activity, students explore ethical issues related to farming and environmental pollution. They learn about the science involved and the range of perspectives among stakeholders. By the ...

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ACTIVITY

I love fibre

In this activity, students listen to AgResearch’s Dr Matthew Barnett, the singing scientist, performing his latest YouTube release called I love fibre. Students then answer sets of questions and ...

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ACTIVITY

Iodised salt

In this activity, students test a variety of commercially available table salts for the presence of iodine – a micronutrient essential for health and wellbeing. By the end of this activity ...

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Explore related citizen science projects

CITIZEN SCIENCE PROJECT

Myrtle Rust Reporter

Myrtle rust is a serious biosecurity threat, and help is needed to monitor its spread. This citizen science project aims to gather information on the location, hosts and intensity of this fungal ...

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CITIZEN SCIENCE PROJECT

Global Earth Challenge

Be part of a worldwide movement and use Global Earth Challenge to submit or classify photos to help our planet’s environment and human health. Global Earth Challenge is a citizen science campaign ...

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CITIZEN SCIENCE PROJECT

ClimateViz

This citizen science project wants your assistance to extract information from various climate scientific graphics to help combat misinformation and support scientific communication. Using this ...

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TEACHER PLD

Planet Earth and Beyond – Soil

Soil – it’s much more than dirt. Soil keeps us alive. Without soil, we would be hungry, thirsty, naked, homeless and breathless. Soils differ from location to location and are a range of colours ...

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TEACHER PLD

Adapting SLH activities: providing another context

Transfer, in the context of learning, is “the ability to extend what one has learned in one context to new contexts” (Darling-Hammond & Austin, 2003, p. 190). Opportunities to try out new ...

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TEACHER PLD

RNA interference – a context for learning

RNA interference (RNAi) is a biological process in which RNA inhibits gene expression. It is a natural process in cells. As a biotechnology tool, RNA interference ‘silences’ a gene by using a ...

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VIDEO

Free radicals and antioxidants

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 ...

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VIDEO

Why use earthworms?

Dr Ravi Gooneratne, Lincoln University, describes why earthworms are the ideal research tool for measuring pollutants. Being in the soil, earthworms are often exposed to harmful chemicals, and ...

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VIDEO

Using controls

Dr Ravi Gooneratne (Lincoln University) describes several ways in which he uses controls in the experiments on soil pollution that he carries out. A good control enables him to be certain the ...

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Explore related interactives

INTERACTIVE

The terrestrial nitrogen cycle

An interactive showing the main components of the terrestrial nitrogen cycle. Select one of the buttons to find out more. Go here to view the full transcript and copyright information.

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INTERACTIVE

Making cheese - first steps

This interactive explains the first steps in the process of making traditional Gouda cheese.Click on the labels to watch the videos and for more information. Find out more about the final steps ...

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INTERACTIVE

Making cheese - the final steps

This interactive explains the final processes involved in making traditional Gouda cheese. Click on the labels for more information. Find out more about the initial steps in the cheese making ...

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