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Explains the processes underlying the greenhouse effect including an analysis of chlorofluorocarbons (CFCs) and methanes. Examines the consequences of global warming and the evidence that it is already...
Explains bonding between atoms by discussing the concepts of: electrons in clouds around atoms; the electrons of both the halogens outer shell and the alkali metal outer shell; carbon diamond and graphite...
1: [For synopsis see unter title PATTERNS IN THE DUST.] 2: Follows the theme of links between technology and health to air pollution. Shows how petrol and diesel engines in town are responsible for...
Examines in details the adaptations found in different plants for the carbon-fixing step of photosynthesis and discusses the possibilities of breeding the ingenious devices of some tropical plants into our...
Shows how everything on earth is ultimately powered by the sun. By powering the synthesis of the compounds of life the sun gives us both the building blocks of our very cells and the fuel to make it all work.
Shows that, although the building of conventional houses contributes a vast amount of carbon dioxide to the atmosphere, it is possible to build or renovate houses to make them comfortable, energy-efficient,...
Why the flea jumps when man is near; various parasites, fleas, rat mites, hookworm larvae and how they find their hosts, emphasising sensitivity to carbon dioxide.
An introduction to composite materials and their uses. Discusses the properties and uses of fibre reinforced plastics; the strengths and weaknesses of glassfibre, carbon fibre and Kleviar are demonstrated by...
The programme examines the role of fungi, especially mycorrhizal fungi, in sustaining the growth of forests. It explores the evidence that networks of ectomycorrhizal fungi may link tree with tree with...
A study, mainly in animated diagram, of the systemic and pulmonary circulation of the blood in the human body, showing the structure and functions of the heart, lungs, arteries, veins and capillary network....
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Learning on Screen
Related searches have been automatically generated using the OpenCalais semantic analysis service.Related searches have been automatically generated using the OpenCalais semantic analysis service.