Resources by Catalyst

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...

Do U Wan2 Tlk> ;-)

A Catalyst article about mobile phones. This article looks at the science behind this popular piece of technology, such as the use of radio waves, aerials and cells. The article also explains how mobile phones are able to use short aerials.

This article is from Catalyst: GCSE Science Review 2005, Volume 16,...

Dorothy Hodgkin - a Life in Science

A Catalyst article about Dorothy Hodgkin who was a pioneering scientist, a peace activist, a mother of three and a Nobel Prize winner. The article looks at her life and work in science. She did valuable work as an X-ray crystallographer and in finding the structure of biologically important molecules such as...

Down House

A Catalyst article about Charles Darwin's home and in particular his study which is open to the public. Visiting information is included in the article which puts into context the importance of this room in his work.

This article is from Catalyst: GCSE Science Review 2007, Volume 17, Issue 3.

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Down on the Farm, 10 000 Years Ago

This Catalyst article looks at how people lived in the past, archaeologists look at the items (artefacts) these cultures left behind. Using chemical analysis of residues in the artefacts an enormous amount of additional information can be gleaned. This article investigates early dairy farming. Analysis of tiny...

Dr Gillian Lockwood

A Catalyst article about the working life of Dr Gillian Lockwood, a reproductive biologist who specialises in IVF. The article looks at the ethical issues surrounding fertility treatments for problems such as polycystic ovary syndrome.

This article is from Catalyst: GCSE Science Review 2007, Volume 17, Issue...

Dr Laura Waters: Research Chemist

This article introduces Laura Waters, who is a chemist at Huddersfield University with an interest in both doing scientific research and communicating her work to a wide audience.

The article is from Catalyst: Secondary Science Review 2015, Volume 25, Issue 4.

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Drilling Down/At Sea with Chikyu

A Catalyst article about Chikyu, a Japanese drilling ship capable of boring through the Earth's crust. It will investigate regions where the crust is thinnest. Core samples are examined using a number of scientific techniques and they have produced useful information about areas where there is seismic activity...

Drink Driving

A Catalyst article about preventing drink driving. Since 1980, the UK's government estimates it has saved over 20,000 lives by its campaign to reduce drink driving. The article looks at how this result is achieved and how the body copes with alcohol and how it breaks alcohol down.

This article is from...

Drosophila melanogaster

A Catalyst article about the fruit fly which has played a succession of key roles in developments in biological science over the last 100 years as a laboratory subject in genetics.

Researchers have found that many aspects of the biochemistry of fruit flies and humans are similar. It is due to the fact that...