This Catalyst article looks at what it means to say that an astronaut is 'weightless'. The article looks at how astronauts are trained in aircraft and how underwater work can also help prepare them for space travel.

This article is from Catalyst: Secondary Science Review 2008, Volume 19, Issue 1.

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This publication, from the Technology Enhancement Programme (TEP), looks at the topic of flywheels and how they can be used to store or smooth energy flows. The book initially provides information for students on the following topics:

• The energy-storage system
• Cyclicity of supply
• ...

What do dental fillings, catalytic converters, mobile phones and jewellery have in common? They all make use of the metal palladium. This Catalyst article explains the properties of this metal, and how it can be used for a vast array of objects.

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This Nuffield Working with Science unit involves scientific investigations both in the laboratory and in the kitchen. The activities encourage students to apply the knowledge gained in new situations, to analyse data from tables and interpret experimental results....

A Catalyst article about careers in the food industry. The food and drink industries are part of a chain linking farming and growing through to food processing, manufacture and finally to the sale of food in supermarkets and restaurants. This article describes some of the many career areas in food technology...

This Catalyst article describes how food waste can be treated by anaerobic digestion to produce methane and fertiliser.

This article is from Catalyst: Secondary Science Review 2011,...

A Catalyst article about food chains and food webs. The article studies evidence for global climate change and considers possible causes. It also explores how climate change might affect the food web, with evidence from a long-term study which started in 1931.

This article is from Catalyst: GCSE Science...

A Catalyst article about food additives. Some additives are natural and some are manufactured by the chemical industry. Some, like vitamin C, can come from either natural or artificial sources. As with every other component of food all additives are chemicals. Even organic food can contain a certain number of...

Published by the Wellcome Trust, the 'Big Picture' explores issues around biology and medicine.

This issue of the Big Picture, from the Wellcome Trust, looks at the role that food plays not only in human physiology but also in the individual's lives. Food is about so much more than sustenance. Food choice...

These resources cover themes of food sustainability and security. Included are technical briefs which focus on low cost approaches related to food production and preservation. Technical briefs are documents produced by Practical Action which are freely...

These videos look at how farmers in the developing world grow and transport their food, focusing on the introduction of new technologies.

Gravity goods ropeway in Nepal: A description of how a gravity goods ropeway is used to transport tomatoes down a mountainside.

The everyday context of food serves as a vehicle for engaging learners in exploring the mathematical ideas of ratios, percentages, fractions, and pie charts which are useful in their vocational areas. Students are asked to agree the main food groups that might be suitable for a healthy diet and then represent the...

These technical briefs look at how to store and preserve food in a number of different ways. This is a vital part of food security and enables farmers to provide nutritious food for a longer period to feed their families and to provide an income.

Technical briefs are documents produced by Practical Action...