Anna works at the University of Leeds.  She uses satellite data to look at glaciers at the poles of the Earth.  She uses optical and radar data to track ice movement.  She explains how she went to Greenland and Antarctica for field trips to obtain more data for her research.  Anna explains how we need to study ice...

A podcast from the Planet Earth Online collection and the Natural Environment Research Council (NERC). Richard Hollingham finds out that the freezing seas around Antarctica are not barren and lifeless. The Census of Marine Life is building up a picture of the richness and diversity of life in the world's oceans and...

The first two sheets of this excel file remind students of terminology associated with circles and the formulae for area and circumference of a circle. The next five sheets deal with finding the arc length as a fraction of the circumference with worked examples of the...

A podcast from the Planet Earth Online collection and the Natural Environment Research Council (NERC). As the map of Earth's gravity – as revealed by the European Space Agency's (ESA) sleek GOCE satellite – comes into sharper focus, Richard Hollingham speaks to a researcher who tells us what early results from the...

The Big Telescopes poster links ground and space based telescopes with the parts of the electromagnetic spectrum that they are observing and their locations on Earth or in space.

The poster explains how larger telescopes allow scientists to learn more about the early universe and map our own galaxy with...

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...

• Describe the effects of an electric shock on a person.

• Explain why there are no standard mains sockets in a bathroom....

A podcast from the Planet Earth Online collection and the Natural Environment Research Council (NERC). Willow, palm, miscanthus and other energy crops are being touted as a possible solution to Britain's growing energy security problems. There are suggestions that they could help replace fossil fuels, plugging...

In this podcast from the Natural Environment Research Council's (NERC) Planet Earth Online collection, Sue Nelson visits an indoor coral reef at the brand new Coral Reef Research Unit at the University of Essex.

Researchers are using the reef to look at the effects of ocean acidification on coral in a...