This Catalyst article looks at the use of fluoride in water supplies. The UK health secretary has announced that more water companies would be encouraged to add fluoride to the water supplies. The article looks at why fluoride is added, what the advantages and risks are and why should it be put into water.

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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...

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...

A Catalyst article looking at how insects are used to provide clues at crime scenes. Forensic entomology is the study of insects and other arthropods in a legal context. It covers many different areas, such as pests in stored food products and insect infestations in human habitations. However, the most high-profile...

A Catalyst article about careers in forensic science covering the work of the reporting officer. The article explains what it takes to become a forensic scientist and what qualities are required to join this profession.

This article is from Catalyst: GCSE Science Review 2005, Volume 16, Issue 1.

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A Catalyst article about scientists who are only beginning to understand just how complex and fascinating the relationship between trees, the carbon cycle and climate really is. This article explores how aspects of the GCSE science course relate to the latest research. It also covers the relationship between trees...

In 2015 the What Works Clearinghouse released a review confirming the findings of a study of the Fractions Face-Off! Programme. The review found that students who were severely at risk for low mathematics achievement made significant gains using two versions of Fractions Face-Off! as compared to a set of...

A Catalyst article about the use of fruit flies in research about genetic diseases and in particular the study of DNA and how genes can cause disease. Scientists have studied the effects of placing new DNA into the chromosomes of fruit flies. One line of research is to utilise fruit flies with the human gene...

Produced by the Learning Skills Improvement Service (LSIS), this case study looks at the theme of embedding functional skills. The purpose of the case study was to celebrate success and share good practice.

The study involved disseminating information and resources gained from a STEM event, followed by a...

Produced by the Learning Skills Improvement Service, these materials help to demonstrate effective practice. This case study, from Universal Training UK, looks at the themes of equality, functional skills, employer engagement and mathematics. This study looks at ways of pre-empting and overcoming problems faced...

This report, from the University and College Union, evaluates the costs and benefits of higher and further education. Focusing on industrial strategy and innovation, the report argues that universities and colleges have a central role to play in the development of enterprise. The UK’s future economic prosperity...

Produced by the Learning and Skills Improvement Service (LSIS), this case study looks at the themes of employer engagement and knowledge and technology transfer. The study illustrates the power of employer engagement to deliver new curriculum modules that meet the direct needs of employers. The employment of...

A Catalyst article explaining how a Geiger counter works through the use of captioned illustrations.

This article is from Catalyst: GCSE Science Review 2004, Volume 15, Issue 1.

Catalyst is a science magazine for students aged 14-19 years...

A Catalyst article looking at how gel electrophoresis is used in DNA fingerprinting. Gel electrophoresis is used to separate big molecules, in particular nucleic acids and proteins. To learn more about the structure and function of large molecules such as DNA and proteins, they can be broken up into smaller...