Listing all results (793)

Science and Engineering Apprenticeships

A Catalyst article about training as a technician after GCSEs. With an apprenticeship scheme it is possible to start a career at 16, keep learning to acquire qualifications – and get paid. It is quite possible to obtain a permanent job at the end of the apprenticeship. Many different companies up and down the...

TB or not TB?

A Catalyst article about the problems of badgers transmitting tuberculosis to cattle, but is a cull of badgers a solution to the problem? When cattle are found to be suffering from tuberculosis, a disease which can be passed onto humans, they are routinely slaughtered. It is known that badgers can transmit the...

Hubble Explores a Barred Spiral Galaxy

A Catalyst article about the Hubble telescope exploring a barred spiral galaxy, known as NGC1672 in the astronomers’ New General Catalogue. The image was made by the Hubble Space Telescope (HST), and was released in April 2007. NGC 1672 is situated 60 million light years away, in the constellation of Dorado. The...

It Must Be True - I Read It in the Paper!

A Catalyst article about scientists publishing their results in journals. Newspapers, magazines and TV programmes are full of stories based on science and technology. But can these articles be trusted? This article looks at the way in which scientists try to ensure that their own publications are reliable. It makes...

Hydrogels - Water-Absorbing Polymers

A Catalyst article about hydrogels. Soft contact lenses, disposable nappies, hair gel and plant water crystals all make use of substances called hydrogels. These are polymers which have the unusual property of being able to absorb huge quantities of water. The article looks at the structure of hydrogels and their...

Would You Be a CLEVER Driver?

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...

Studying Lung Surfactant

A Catalyst article about the inner surface of lungs, which is coated with surfactant, allowing oxygen to enter the bloodstream. When babies are born very prematurely they can lack this surfactant, and this can make it very difficult for them to breathe. This is called Respiratory Distress Syndrome (RDS). This...

Radioactive Waste Decisions

A Catalyst article about how decisions taken about controversial issues such as the sitting of a radioactive waste store. How does a government decide where to put such a dump? And how can citizens affect the decision making process? The article examines how governments try to involve their citizens in decision-...

A Close Look at Pollen Grains

A Catalyst article about how the scanning by an electron microscope of pollen grains shows up their structure, and can help scientists understand why some people suffer from an allergic reaction - hay fever. The article describes how the images were made and how they are used in scientific research.

This...

Arctic Coral Reefs

A Catalyst article about recent expeditions to the Arctic Ocean which have revealed previously-unknown deep-sea coral reefs. The article explains how these havens of biodiversity survive, and how human activities are damaging them.

This article is from Catalyst: Secondary Science Review 2007, Volume 18,...

Year of the Sun

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...

Energy-Efficient Lighting

A Catalyst article about how the society can decide whether energy-efficient lighting is good for the environment. With the UK Government announcement that sales of filament lamps will be phased out over the next few years the article examines their replacements, CFLs, compact fluorescent lamps. Not everyone agrees...

Measuring Surface Tension

A Catalyst article about experiments on surface tension based on a simple test that can be conducted at home or in a school classroom.

This article is from Catalyst: Secondary Science Review 2007, Volume 18, Issue 2.

Catalyst is a science...

Do Mobile Phone Signals Harm Our Health?

A Catalyst article about people who believe that their health is affected by mobile phone radiation. The World Health Organisation has labelled this condition Idiopathic Environmental Intolerance with attribution to Electromagnetic Fields (IEI-EMF). Idiopathic describes a disease with no known cause. The article...

Battle of the Barnacles

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...

Pages

View all publishers