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Catalyst Volume 24 Issue 4
This issue of Catalyst contains the following articles:
The Rosetta spacecraft is designed to catch up with, and explore, a comet.
The article looks at the career of Nick Treby who works around the world as an acoustic engineer, monitoring and managing sound levels in the environment.
From Ancient to Future Solar Fuels
The article investigates how biologists are developing artificial systems which mimic photosynthesis in order to produce fuels from sunlight.
Deep ocean vents are found along mid-ocean ridges. They are home to communities of unusual organisms.
The article looks at areas of peatland in the tropics, hosting communities of plants and animals not found elsewhere and how agricultural development poses a threat to them.
The article describes how fire engineers work to minimise the threat of fire and to protect people when fire breaks out.
The article describes how sexual selection, a form of natural selection, plays an important part in the evolution of many organisms.
The article investigates how scientists make images using colours to represent electromagnetic radiations which humans cannot see.
Catalyst is a science magazine for students aged 14-19 years. Annual subscriptions to print copies of the magazine can be purchased from Mindsets.
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Tropical Peatlands
This Catalyst article looks at peatlands which usually conjures up images of bleak, boggy hillsides across Northern Europe, Russia and the USA. But peatlands are also found in the tropics. These currently act as a significant store of carbon, yet these valuable ecosystems are under threat; their disappearance could...
Fire Engineer
This Catalyst article looks at the work of fire engineers whose aim is to minimise the threat of fire and to protect people when fire breaks out. The article is from Catalyst: Secondary Science Review 2014, Volume 24, Issue 4.
Catalyst is a...
The Peacock’s Tale: How Sexual Selection Works
This Catalyst article looks at sexual selection, a form of natural selection, and the role it plays in the evolution of many organisms. The article is from Catalyst: Secondary Science Review 2014, Volume 24, Issue 4.
Catalyst is a science...
False Colour
This Catalyst article investigates how scientists make images using colours to represent electromagnetic radiations which humans cannot see. Human eyes detect visible light, just a small region in the electromagnetic spectrum. Using scientific instruments, many other types of radiation can be detected. Different...