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Catalyst Volume 20 Issue 2
This issue of Catalyst includes the following articles:
Zeolites are naturally occurring sponge-like materials which can be used as chemical sieves and catalysts.
Dorothy Hodgkin: a Life in Science
This article introduces Dorothy Hodgkin and her work as an X-ray crystallographer.
Using zebrafish as a model for human disease in scientific research is the main subject of this article.
This article focuses on how Robert Hooke published his results on the law of springs.
Blocking Viruses with Synthetic Receptors
The article looks at the building of molecular 'traps' to mimic the surface of a cell.
This article describes a film giving a variety of reasons for studying science.
The article presents the arguments for and against fluoridation of water supplies.
This article looks at experimenting with fluoride toothpaste on eggshells (as a substitute for teeth).
The Nobel prize for physics 2009 rewards scientists who developed optical fibre systems and CCDs.
Catalyst is a science magazine for students aged 14-19 years. Annual subscriptions to print copies of the magazine can be purchased from Mindsets.
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Blocking Viruses with Synthetic Receptors
This Catalyst article explains how chemists build molecular 'traps' to mimic the surface of a cell. To scientists, sugar is much more than a food; sugar molecules can also form polymers which act as ‘molecular bar codes’ to help cells recognise each other. The article describes how chemists made a synthetic...
A Love Letter to Science
This Catalyst article describes a film which has been made to provide a range of reasons for students to study science. During the film high profile scientists, writers and teachers describe how science provides the technologies which are used in everyday life, how it can protect the environment and how it protects...
Fluoride in Water Supplies
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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An Eggsperiment on Teeth
This Catalyst article describes an experiment with fluoride toothpaste on eggshells (as a substitute for teeth). Both teeth and eggs contain calcium compounds which can be attacked by acid. When an egg is put in vinegar the shell is weakened by the acid making it soft and more fragile. When teeth are exposed to...