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Catalyst Volume 17 Issue 1
This issue of Catalyst includes the following articles:
Astronomers say that, one day, a giant rock from space will collide with the Earth and cause mass devastation. This could lead to the extinction of many species, including humans. Is there anything we people do to prepare for such an impact?
This article looks at careers in the food industry.
New medicines cannot be prescribed until they have been tested to see if they are safe for people to take. This article explores the processes involved, from laboratory tests to clinical trials.
Alchemy is the study of eternal life, salvation, and the answer to the ultimate questions about life, the universe and everything. It flourished for more than 1500 years until, in the late 1600s, the beginnings of modern, scientific chemistry edged it aside. But what was alchemy and who were the alchemists?
This article introduces Tim Berners-Lee, the founder of the World Wide Web.
Burning fossil fuels releases extra carbon dioxide into the atmosphere, which contributes to global warming. However, burning renewable biofuels is part of the normal carbon cycle and does not contribute to an increase in atmospheric carbon dioxide. This article examines the ways in which the energy stored in biofuels can be released.
Fainting can be the result of a sudden drop in your blood pressure, which is often part of a shock reaction. This article investigates how and why people’s blood pressure may vary.
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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Impact Earth
A Catalyst article about giant asteroids. Astronomers say that, one day, a giant rock from space will collide with the Earth and cause mass devastation. This could lead to the extinction of many species, including humans. The article looks at what can be done to prepare for such an impact and what happened when a...
Food Technology - Careers
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...
Testing New Medicines *suitable for home teaching*
A Catalyst article exploring the testing of new medicines to see if they are safe for people to take. The effects on cells of a potential new drug are investigated using tissue cultures of human or animal cells. Some tissue cultures use fresh tissue samples, but most come from well-established laboratory cell...
Alchemy
A Catalyst article about alchemy, the study of eternal life, salvation, and the answer to the ultimate questions about life, the universe and everything. It flourished for more than 1500 years until, in the late 1600s, the beginnings of modern, scientific chemistry edged it aside. The article looks at what was...