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This Catalyst article explains the way scientists work, how they conduct research and look for patterns in data. It also investigates what can go wrong during the process of spotting patterns in the collated information.

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The Big Picture on pages 10-11 of this issue of Catalyst shows scientists in Antarctica launching a balloon which will travel up through the atmosphere to a height of 34 km above the Earth’s surface. This balloon is part of NASA’s BARREL mission, probing the radiation belts which surround the Earth.

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This article from Catalyst looks at the ageing process in bananas. As bananas age, spots develop on their skins. These contain fluorescent substances which can be seen with a UV torch.

The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 2.

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This article addresses the basics of cells and cellular processes

A Catalyst article about biologists looking for patterns in the distribution of barnacle species on the sea shore. Barnacles are arthropods which live as tiny larvae in the sea and then cement themselves, head down, on suitable rocks, build a shell, poke their legs out of the top of it and start to filter feed. The...

A Catalyst article about Darwin's travels on the Beagle which gave him ideas about evolution. Darwin spent almost five years on board HMS Beagle as it sailed around the world. The purpose of the voyage was to map navigation channels around the coast of South America. Darwin was the ship’s naturalist and companion...

A Catalyst article about gaining Chartered Engineer status. The process from application through education to professional experience is explained.

This article is from Catalyst: GCSE Science Review 2009, Volume 19, Issue 4.

Catalyst is a...

These articles explore how life on earth began, consider the importance of carbon in our biology and whether there might be an alternative.  

This article looks at...

This briefing discusses how bioethics issues affect us all and how we hear about issues which fall into this category on a daily basis. News items about...

This issue covers the background in selective plant breeding over the centuries and then describes the more recent advances and the introduction of...

This edition covers issues concerning assisted conception and "designer babies", which is a term which is often heard in the popular media. Today an ever-...

As human-to-human transplantation has become more and more successful, it has almost become a victim of its own success. There is a shortage of donor organs...

Stem cells have the potential to develop into different cell types in the human body and as such, can be used for tissue repair or, perhaps in the distant...

A Catalyst article about how 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 looks at the ways in...

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