Catalyst Volume 24 Issue 4

This issue of Catalyst contains the following articles:

Catching a Comet

The Rosetta spacecraft is designed to catch up with, and explore, a comet.

Acoustic Engineer

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.

Exploring the Deep Ocean

Deep ocean vents are found along mid-ocean ridges. They are home to communities of unusual organisms.

Tropical Peatlands

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.

Fire Engineer

The article describes how fire engineers work to minimise the threat of fire and to protect people when fire breaks out.

The Peacock's Tale

The article describes how sexual selection, a form of natural selection, plays an important part in the evolution of many organisms.

False Colour

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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Catching a Comet: the Rosetta Mission

This Catalyst article looks at the Rosetta mission: to rendezvous with Comet 67P/Churyumov-Gerasimenko where it will study the nucleus of the comet and its environment for nearly two years, and land a probe on its surface. The article also describes how gravity assists, also known as slingshot manoeuvres, are used...

Acoustic Engineer

This Catalyst 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. The article is from Catalyst: Secondary Science Review 2014, Volume 24, Issue 4.

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From Ancient to Future Solar Fuels

This Catalyst article investigates the research into artificial photosynthetic systems.

With the world’s population ever-expanding, energy demand is expected to double by 2050 and triple by 2100. In only 200 years, mankind has squandered what nature has taken hundreds of millions of years to lay down as...

Exploring the Deep Ocean

This Catalyst article describes discovering hydrothermal vents at ocean sea-beds. Hydrothermal vents form along mid-ocean ridges. A mid-ocean ridge is where the Earth’s tectonic plates are moving apart, usually at a rate of about 6 to 18 centimetres a year. The presence of hydrothermal vents had been predicted by...

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