The 2012 Nobel Prize for Physiology or Medicine was won by Gurdon and Yamanaka, for their work on adult stem cells.

This Catalyst article explains how they discovered that a nucleus from an egg cell transplanted into a specialised cell can still develop into a fully functional organism. Yamanaka named these...

This  Catalyst article looks at the work of scientists who use biochemical and DNA analysis to learn more about how fungi cause dead wood to decay.

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

A Catalyst article about how people can work more safely with radiation. Radiation protection is a specialised area of health and safety. It deals with the protection of workers, patients, the general public, organisations and the environment. It is concerned with the use of two types of radiation:

*ionising...

In this Catalyst article, six people whose work can be described as ‘communicating science’ reveal the great variety of career paths in this area.

• Alex Tate is a Producer/Director for Windfall Films. He produces and directs science and natural history documentaries.
• Dr Sai Pathmanathan is a...

This pack provides a stimulating way of learning about scientific journal articles and highlights the difference between ‘research’ and ‘review’ papers.

It is suggested that students start by watching a silent video showing an unusual behaviour in capuchin monkeys, ‘anointing’, for which there are various...

A Catalyst article about the CLEVER car, which has been designed to be a compact, energy-efficient car. As more and more people want to get about within cities and towns, the problems of congestion and pollution are increasing. Motorcycles and bicycles take up less space and produce fewer emissions than...

This resource includes two activities, demonstrating how to read and write to and from external text files. The first example shows how to use Python to create a html web page, which is then opened in a browser. The second program displays fading titles pulling data from an external text file, in this case a '...

In this article from Catalyst, a series of images shows how X-ray technologies have improved over the last century.

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

Catalyst is a science magazine for...

A Catalyst article about X-rays. The medical profession does its best to avoid X-raying young people, but sometimes the benefits outweigh the hazards. The benefits go beyond discovering broken bones; X-rays have played a major part in discovering the structure of DNA. The article looks at the history of X-rays, how...

A Catalyst article about International Heliophysical Year (2007-08) - a year of scientific collaboration, studying the Sun and the impact of its radiation on the Earth. How the Sun is changing and the history of solar research is examined.

This article is from Catalyst: Secondary Science Review 2007, Volume...

A Catalyst article looking at the methods used to power rockets. Solid rocket boosters and liquid fuel rockets are the two main propulsion systems used to power rockets and solar power is used to drive electrical equipment. This article looks at these power systems and the future for rocket science.

This...

This Catalyst article describes what it is like to work with laboratory animals, ensuring that they are treated ethically. The article focuses on the career of an animal technician making the point that a degree is not essential to pursue a career in science. There are many positions available each year for lab...

This edition of iSquared magazine features:

Optimisation on the...

This edition of iSquared magazine features:

Shopping by num...

This edition of iSquared magazine features:

The remarkable ...