A Catalyst article looking at the use of plant cells to generate electricity via photosynthesis. This branch of science is called biophotovoltaics. The Sun is the ultimate source of energy for almost all life on Earth and harnessing this energy is one of the great scientific and technological challenges....

This articles article looks at the work of astrobiologists, and how the study of extremophiles on Earth can help us to understand how we might colonise another planet in space exploration. ...

This edition of Computer Science for Fun is entitled ‘The Earth Issue’, and features computer science applications that are environmentally friendly or that have helped scientists researching our planet.

The articles include:

• The power efficiency of the human brain vs modern computers

•...

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...

Mathematics Subject Specialist, Michael Anderson, discusses the questions the Principia mission poses, as well as the range of support materials available to teachers as Tim Peake returns to Earth from the International Space Station.

Gill Collinson, Head of Centre, National STEM Learning Centre and Network...

The human population of Earth has reached seven billion. This Catalyst article explores the impact that human activity may have on the planet. The article looks at the rate of population growth and how human impact is also related on the amount of resources used by an individual. It considers if the effects of...

This Catalyst article uses physics to investigate the possible causes of the sinking of the Titanic. Mike Follows explains how the hull of the Titanic was constructed to be watertight, however, the strength of the rivets used on the ship were inadequate.

The article shows how the alignment of the sun, Earth...

This booklet, from Science Community Representing Education (SCORE), offers a range of practical activities and experiments for use in the classroom. Most are aimed at Key Stages One and Two students but a small number are provided for Key Stage Three to highlight the...

This issue of Catalyst includes the following articles:

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This issue of Catalyst contains the following articles: 

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This edition of iSquared magazine features:

Weapons of Financial Mass De...