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Catalyst Volume 21 Issue 1
This issue of Catalyst includes the following articles:
This article investigates whether adding iron to the oceans could reduce global warming.
The article looks at sunspots and what they can reveal about the nature and activity of the Sun.
The use of bacteria to convert waste biological materials to useful fuels is the main subject of this article.
Bacterial colonies produce antibiotics; this article explores how the growth of bacterial colonies depends on the medium they grow on.
Exercise: Working It to the Bone
An investigation into how regular exercise improves cardiovascular and respiratory health, as well as general well-being. But what effects does exercise have on bones, and why is this so important?
On Screen: Physics and Computer Games
This article describes how computer games make increasingly sophisticated use of the laws of physics to produce convincing on-screen effects.
The article shows how to make an elastic band starting from Copydex, a source of rubber latex.
The great variety of biology-related courses in universities is the main focus of this article.
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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Exercise: Working It to the Bone
A Catalyst article looking at the benefits of exercise and how it affects bone structure and hence physical fitness. Furthermore, obesity in Britain is on the rise and so the population is encouraged to do regular exercise, not only for cardiovascular and respiratory health, but also for general well-being. But...
On Screen: Physics and Computer Games
This Catalyst article looks at how computer games make increasingly sophisticated use of the laws of physics to produce convincing on-screen effects. From calculating the angle that a ball bounces off a wall to modelling the frictional forces on a rally car, physics has always played a part in the development of...
Make Your Own Elastic Band
This Catalyst article explains how to make an elastic band using Copydex, a source of rubber latex. Rubber latex is a liquid polymer. It is made of long molecules which are all separate. Elastic bands are made by cross-linking the polymers in rubber latex. This changes the properties of the polymer and forms a...
The Many Faces of Biology
This Catalyst article takes a look at the great variety of biology-related courses in universities. There are over 1,400 different university biology courses, choosing the right one for the individual student requires care. The article includes case studies about past students and the careers they have been able to...