A Catalyst article about the many uses of superconductors. The article looks at what the 1700 magnets at the Large Hadron Collider and power cables in Detroit have in common. Both use superconductors - materials which, when cooled below a certain temperature, lose all their electrical resistance, and display some...

A Catalyst article looking at careers in dentistry. Dental practices employ assistants, nurses, hygienists and therapists. Using case studies this article looks at the roles these jobs undertake.

This article is from Catalyst: GCSE Science Review 2004, Volume 15, Issue 1.

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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...

A Catalyst article about Tim Berners-Lee, the founder of the World Wide Web. The article looks at the difference between the internet and the web and what is required to create a web that links computer users from around the world.

This article is from Catalyst: GCSE Science Review 2006, Volume 17, Issue 1...

This Catalyst article looks at how our knowledge of the human genome has increased greatly during the last 10 years, and genome sequencing techniques have become much faster. On 26th June 2000 it was announced that scientists had completed a first draft of the human genome, the DNA instructions for making a human...

A Catalyst article exploring the testing of new medicines to see if they are safe for people to take. The effects on cells of a potential new drug are investigated using tissue cultures of human or animal cells. Some tissue cultures use fresh tissue samples, but most come from well-established laboratory cell...

This Catalyst article looks at the noble gases (Group 0 or 8 in the periodic table) which are almost inert. This article shows how they were discovered through the use of fractional distillation and looks at their chemical and physical properties.

This article is from Catalyst: GCSE Science Review 2011,...

A Catalyst article about deciding right from wrong in biology. Modern science raises many ethical questions. How these questions can be answered either ethically or by coming to a personal decision is discussed. How ethical frameworks can be used to address ethical questions is applied to the case of genetically...

A Catalyst article about Socotra, a small archipelago of four islands in the Indian Ocean off the horn of Africa, belonging to the Republic of Yemen. The islands are becoming famous for their range of animal and plant species and for their use as a natural 'laboratory' where ideas about evolution can be tested. The...

A Catalyst article describing the species that have had the greatest impact on planet Earth during its billions of years of history. Which come out on top of the 'league table of life'? As hominids have only walked the Earth for part of its existence the article looks at the history of life, from the dawn of...

A Catalyst article about neutrinos. Neutrinos are fundamental particles. They are tiny, a neutrino has a mass about one-millionth of the mass of an electron, and they have no electric charge. This article looks at the detection of these elusive particles which requires the use a giant detector. The one described is...

A Catalyst article about the study of electrical activity of the brain during sleep. The article looks at brain waves, REM (Rapid Eye Movement) and the effects of sleep deprivation.

This article is from Catalyst: Secondary Science Review 2008, Volume 18, Issue 4.

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This Catalyst article presents a series of photographs from NASA Satellites tracking Hurricane Ike from space.

This article is from Catalyst: Secondary Science Review 2008, Volume 19, Issue 2.

Catalyst is a science magazine for students...

A Catalyst article about increased levels of carbon dioxide causing global warming. The atmosphere is being polluted when fossil fuels such as petrol are burnt releasing carbon dioxide. Despite concern about global warming, it seems nobody wants to use their cars less. The article looks at what can be done to...

A Catalyst article about wood as a renewable source of energy. Wood and biomass products could be used to generate electricity in the UK, and the article looks at the advantages and disadvantages of doing this and the technologies such energy generation would require.

This article is from Catalyst: GCSE...