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Dust to dust? The importance of soil

This Catalyst article looks at soil composition and the reasons behind protecting soil from turning into dust. The UN Year of Soils highlighted the many ways in which humans rely on soil for much more than growing crops.

This article is from Catalyst: Secondary Science Review 2016, Volume 26, Issue 4.

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Fingerprints – beyond identity

Chemists analyse the tiny traces of substances which form a fingerprint. This allows them to determine drug abuse and as well as the age, gender and diet of an individual.

This article is from Catalyst: Secondary Science Review 2016, Volume 26, Issue 3.

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Genome editing

This article looks at genome editing and its potential impact on genetically carried diseases, such as Huntingtons or Sickle Cell Anaemia as well as its critics who question both the infancy of the technology, and the ethical implications which surround the ability to modify human beings. Crucially, critics...

STEM Learning magazine: secondary - summer 2016

Mathematics Subject Specialist, Michael Anderson, discusses the questions the Principia mission poses, as well as the range of support materials available to teachers as Tim Peake returns to Earth from the International Space Station.

Gill Collinson, Head of Centre, National STEM Learning Centre and Network...

The Scratch patch - substitution cipher

This project, exploring basic encryption, is a useful introduction to data security as well as iterating through strings to manipulate them. The program create a ‘substitution cipher’, one of the most basic forms of encryption. It also demonstrates that, for more complex chained commands, Scratch becomes rather...

The Scratch patch - error handling

This activity is an introduction to writing programs that can handle errors. It also helps students to understand number bases, by guiding them through the writing of a ‘base converter’ program.

Mars Express

A Catalyst article about the idea of life on Mars. Scientists involved with the Mars Express mission aim to find out more and will try to establish if there ever has been life on Mars. The article looks at the miniature devices that they will employ on the mission. 

This article is from Catalyst: GCSE...

Life in the Balance?

A Catalyst article about Earth’s biodiversity much of which appears to be teetering on the brink of a man-made extinction crisis. Scientists have suggested that, unless urgent action is taken now, many species will disappear in the next 50 years. This article looks at some of the issues involved.

This...

Journey into Inner Space

A Catalyst article about physicists working at Europe’s Large Hadron Collider who hope to have received the first results from what is probably the biggest, most expensive and most ambitious scientific experiment ever carried out. Later, they hope to solve the mystery of the fundamental forces of nature.

The...

iSquared Magazine Issue 6

This edition of iSquared magazine features:

The shape of time - Vérinique Pagé explains how Einstein’s theories of relatively completely altered our view of space and time and gave us the tools to understand the shape of our universe. ...

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