Catalyst Volume 20 Issue 3

This issue of Catalyst includes the following articles:

Molecules From the Past

This article shows how analysing molecular residues in ancient objects helps to reveal how people and animals once lived.

When the Drugs Don't Work

The article investigates why there are many anti-bacterial drugs but few antivirals.

How Science Works in Africa

The work of a Kenyan scientist searching for better treatments for malaria is the main focus of this article.

Small Wonders: the Invention of Microscopy

The article describes the work of early microscopists such as Leeuwenhoek, Hooke and Swammerdam.

Solar Cells

Devising better, more energy-efficient solar cells is the main subject of this article.

LEDs: Lighting Up a Brighter Future

Like food, water, clothing and shelter, light is essential to people's lives. This article describes the latest, energy-efficient lighting technologies.

Encounters with Aliens - Invasive Species

This article looks at one of the consequences of international trade and travel that is an increase in the movement of so called alien species around the world. Invasive alien species, alongside climate change and habitat destruction, are considered to be one of the main drivers of biodiversity loss. This article asks: what are alien species and what threats do they pose?

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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Molecules From the Past *suitable for home teaching*

A Catalyst article looking at how modern archaeology uses analytical chemical techniques to answer questions about ancient civilisations and animals. Scientists working at the University of Bristol match compounds present in archaeological materials to those in modern plants and animals which were likely to have...

How Science Works in Africa

A Catalyst article about a Kenyan scientist who is searching for better treatments for malaria, a disease which kills more than a million people in Africa each year. The article also explains some of the challenges of doing science in Africa, where funding is low. Often the illness shows a remarkable ability to...

When the Drugs Don't Work

This Catalyst article explains why there are many anti-bacterial drugs but few antivirals. There are millions of bacteria everywhere – on skin, in the gut, and on food. Bacteria have been troubling human beings for as long as they have been around, so a lot of effort has been directed into finding ways to fight...

Small Wonders - the Invention of Microscopy

A Catalyst article about the early microscopists, including Leeuwenhoek, Hooke and Swammerdam. Their work looked at the miniature world beyond human sight and through publications raised awareness of phenomena such as how insects functioned and how disease spread. The article also examines the use of simple and...