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What Are Stem Cells? *suitable for home teaching*

This Catalyst article explains the use of stem cells to treat medical problems, and outlines new possibilities for the use of adult stem cells in treatment.

Currently, stem cells used for treatment are embryonic stem cells, since they have the ability to form any cell type in the body. The example of the use...

Introducing Stem Cells *suitable for home teaching*

This presentation and collection of short activities, from Eurostemcell, introduce basic stem cell concepts and include teacher’s notes with each slide and useful diagrams. The materials include:

 Presentation: Introducing stem cells

• Stem cell biology basics: for post-16 students,...

What's in a Cell? *suitable for home teaching*

This Catalyst article explores the complex structure of cells, and numerous theories of how they were formed. It describes how the development of electron microscopes has allowed greater detail of cellular strutures and organelles to be understood. The article includes detailed electron micropgraphs, along with...

The Systems Physiology of Exercise *suitable for home teaching*

This Catalyst article looks at the effect exercise has on the body. Poor fitness contributes to poor life expectancy, and inability to exercise reduces quality of life in the ill or aged. Scientists hope to understand the mechanisms which limit 'exercise tolerance' which would contribute to enhanced performance for...

Spreading Aliens, Arctic Experience, and Antarctica *suitable for home teaching*

This podcast from the Planet Earth Online collection and the Natural Environment Research Council (NERC) looks at how hikers and walkers could be unwittingly changing the landscape by spreading alien species; what it's like to work as a marine biologist in the Arctic in temperatures of minus 40°C; and exactly how...

Cholera: Death by Diarrhoea *suitable for home teaching*

Cholera is an infectious disease caused by the bacterium [i]Vibrio cholerae[/i]. There have been seven worldwide disease outbreaks or pandemics since 1817, killing millions of people and infecting millions more. This resource, from the Microbiology Society, charts the history of the disease and investigates the...

Fighting Fit *suitable for home teaching*

This Catalyst article looks at how exercise affects our immunity and susceptibility to infection. Recent research indicates that a person's level of physical activity affects their immune function, influencing their risk of respiratory tract infections such as a cold. Whereas moderate levels of regular exercise...

Water Movement in Potatoes *suitable for home teaching*

This Catalyst article investigates osmosis: when water enters or leaves plant tissue (raw potato) according to the concentration of water in its surroundings.

The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 3.

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Ultrasound *suitable for home teaching*

This resource from the Institute of Physics, describes how ultrasound can be used to image the body. The video describes how ultrasound can be used to image a professional footballer's knee to investigate the cause of pain. The teachers' notes contain an introduction to ultra-sound imaging, lesson notes linked to...

The Big Bang Lesson *suitable for home teaching*

The lesson activities and resources for 'The Big Bang Lesson' are provided here for teachers and lecturers to use in their own schools and colleges.

The lesson outline includes links to many of the presentation slides used by Professor Cox in his lesson, and also to clips from Professor Cox's STAR...

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