Resources by Catalyst
Displaying 551 - 560 of 568
When the Drugs Don't Work
This Catalyst article explains why there are many anti-bacterial drugs but few antivirals. There are millions of bacteria everywhere – on skin, in the gut, and on food. Bacteria have been troubling human beings for as long as they have been around, so a lot of effort has been directed into finding ways to fight...
Where Have All the Skylarks Gone?
A Catalyst article looking at how living organisms can act as biological indicators of problems in the way the environment is managed. Skylarks and other birds are disappearing from farmland. The article looks at how the statistics have been obtained, how and why bird numbers have declined and what can be done to...
Where Next?
This Catalyst article introduces Tom Denbigh who describes how he has worked as a volunteer on scientific projects to gain experience before his degree course.
This article is from Catalyst: Secondary Science Review 2011...
Where on Earth?
This Catalyst article is devoted to the use of satellites for navigation. It looks at GPS (global positioning system), the involvement of satellites and how GPS signals work in navigation and calculating position.
This article is from Catalyst: GCSE Science Review 2002, Volume 13, Issue 2.
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Where Will Philae Land? Rosetta in Orbit
Following the successful rendezvous of the Rosetta spacecraft, with comet 67P, this Catalyst article explains how a smaller spacecraft will land on the surface of the comet. Philae is due to land on the comet on 12 November 2014, the first ever attempt to land an object on the surface of a comet.
The article...
Who owns the plants you eat?
This Catalyst article looks at how plant breeders can claim rights over the varieties they develop. It also focuses on the question 'Does this give them too much control?'.
This article is from Catalyst: Secondary Science Review 2017, Volume 27, Issue 3.
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Why do we eat what we eat
This Catalyst article explores how people could feed themselves if conventional food supply systems were destroyed?
This article is from Catalyst: Secondary Science Review 2016, Volume 27, Issue 2.
Catalyst is a science magazine for...
Winning Science
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...
Wood decay fungi
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.
...Working in Radiation Protection
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...