This Catalyst article looks at peatlands which usually conjures up images of bleak, boggy hillsides across Northern Europe, Russia and the USA. But peatlands are also found in the tropics. These currently act as a significant store of carbon, yet these valuable ecosystems are under threat; their disappearance could...

In this Catalyst article an experiment is described in which the formation of clouds can be replicated. The experiment requires nothing more than a plastic bottle, warm water, matches and a small thermometer.

This article...

A Catalyst article describing how to make a spectrometer to analyse light by using a CD to split the light and some other household items for the rest of the equipment.

This article is from Catalyst: Secondary Science Review 2011, Volume 21, Issue 4.

...

This Catalyst article explains how some gases can be poured, demonstrated by an experiment using carbon dioxide gas.

This article is from Catalyst: Secondary Science Review 2011, Volume 22, Issue 2.

Catalyst is a science magazine for...

This Catalyst article investigates how honeycomb (cinder toffee) is made using a thermal decomposition reaction to produce the gas bubbles. Sodium hydrogen carbonate (also known as sodium bicarbonate or bicarbonate of soda) has the chemical formula NaHCO3. When it is heated above about 80°C it begins to break down...

This Catalyst article presents an activity in chromatography, which can be used to separate the different dyes used in coloured inks.

This article is from Catalyst: Secondary Science Review 2017, Volume 27, Issue 3.

Catalyst is a science...

A Catalyst article about one botanist's exploratory expeditions around the world looking for new plant species.

This article is from Catalyst: GCSE Science Review 2004, Volume 15, Issue 2.

Catalyst is a science magazine for students aged...

This article celebrates 25 years of Catalyst and also looks at five big discoveries they have reported on in their 100 issues.

The article is from Catalyst: Secondary Science Review 2015, Volume 25, Issue 4.

Catalyst is a science magazine...

This Catalyst article introduces Michael Pocock, an ecologist who surveys UK environments and constructs food chains of the species he identifies. The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 3.

Catalyst is a...

This Catalyst article takes a look at the winners of the Nobel Prize for Chemistry 2012 who revealed how cells communicate.

All functions of the human body require signals to be released, detected by a receptor in the right place and an appropriate response to be mounted. For example, hormones can be...

This Catalyst article looks at wild rice which was domesticated a long time ago, and explores how understanding its genetic diversity can help to develop new strains.

This article is from Catalyst: Secondary Science Review 2011, Volume 22, Issue 2.

...

This article discusses how chemical tests can reduce the numbers of animals used in the testing of new products.

The article is from Catalyst: Secondary Science Review 2015, Volume 25, Issue 4.

Catalyst is a science magazine for students...

This Catalyst article looks at how scientists are learning to use polymers for many medical applications, including implants, bone repairs and reduction in infections.