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Human Brain
Every organism, no matter whether it is an earthworm, a snail, a fish or a human being, takes in information from the environment through differently structured sensory organs. This was absorbed first by a diffusely organised nervous system, which, in the course of evolution, has been replaced by a hierarchically organised one. Eventually a controlling centre has developed that interconnects and coordinates the nerve impulses supplied by receptors, reacts appropriately and is called the brain. In more highly developed organisms a part of the body has developed into a head, in parallel to the development of the brain.
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Biotechnology II
The results of the fundamental research in genetics and genetic engineering are the basis for the further development of biotechnology, whose basics have already been covered in part I of the biotechnology series. In conjunction with findings in microbiology, biotechnology has made significant progress. In particular the identification of the genetic code has opened up new possibilities for numerous applications. It has enabled the genetic modification of organisms for a desired purpose. The close cooperation between different disciplines in biotechnology continuously generates new insights and possible applications. Moreover, in the so-called red biotechnology – which is medical biotechnology – biologists, medical scientists and pharmacists contribute, amongst other things, to the development of new medicines, thus creating a link between scientific fundamental research and its medical application. An important example of red biotechnology is the production of insulin.
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Mushrooms
This DVD offers a clearly structured survey of mushrooms with an emphasis on the following aspects: Mushrooms of different shapes and colours present their fruit bodies. The reproduction by means of spores is shown with different kinds of mushrooms. The actual mushroom is formed by hyphae in the ground. The symbiosis between mushroom and tree is called mycorrhiza. Mushrooms can be poisons or medicines, as is illustrated by the examples of ergot and the birch polypore. Mildews and slime moulds are examples of the decomposing effects of mushrooms. In the fermentation of yeast plants, sugar is transformed into alcohol and carbon dioxide. Lichens are extremely adaptable. Under the electron-scan microscope, we can see how algae and mushroom hyphae form a complex symbiosis. Finally, rules and recommendations for gathering mushrooms are provided. Outstanding shots (with impressive fast-motion pictures and animations) give the pupils a comprehensive overview of the characteristics of mushrooms.
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Bats
Bats are the only mammals that can fly actively. In mythology they represent the dark element and were the inspiration behind the invention of vampire stories. On account of their nocturnal way of life and their dark appearance, they are considered scary by many people. But the nocturnal hunters are by no means keen on human blood. They mainly hunt insects, thus assuming an important role as natural pest controllers.
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New Species in our Environment
More and more animal and plant species successfully spread far away from their original homes. They are organisms that with our assistance – or even alone – are disseminated further and further across the globe: they are called invasive species.
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Martin Luther King
Martin Luther King, born and raised in the household of a pastor, was one of the privileged blacks. He saw and experienced the injustice of social oppression and racism, which were particularly pronounced in the Southern States of the USA, and some of which are still lingering today. He called for demonstrations and civil disobedience and became the spokesman for the Civil Rights Movement of the USA: ”But we refuse to believe that the bank of justice is bankrupt.“ In his famous speech Martin Luther King referred to the “inalienable rights of life, liberty and the pursuit of happiness” established in the American Declaration of Independence: ”I have a dream – I have a dream deeply rooted in the American Dream“, King announced his utopia of a just America amid tremendous applause from the crowd. In spite of the violent repressions of the demonstrations he remained an ardent proponent of nonviolent resistance, deeply impressed by Mahatma Gandhi and the Bible. In 1964, he was awarded the Nobel Peace Price. The film shows moving moments of the life and achievements of Martin Luther King up to his assassination. Together with the teaching material in the data section, the DVD is perfectly suited for use in the classroom.
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United Arab Emirates
Abu Dhabi is the capital of the United Arab Emirates. They consist of seven emirates. The United Arab Emirates are a country where the contrasts could hardly be greater: wealth from crude oil, wastage of crude oil and at the same time orientation towards a future in the post-oil era.
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The Wounded Planet
Over millions of years the development of the Earth was determined by nature. Today, man determines the development of nature but not to its advantage.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
Bundestag Elections
There is no democracy without regular elections. Elections are the citizen’s most important means of actively shaping the politics of his or her state and are one of the basic requirements of modern democracy apart from freedom of speech, of assembly, of association, and of the press.In Germany there are political elections in cities and communities, in the federal states to the Bundestag and to the European parliament. All of them have democratic election principles.
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Textile Production Mechanic
Setting, operating, monitoring, maintaining, servicing and repairing production machines – all these are tasks of a textile production mechanic. Only if the production equipment functions flawlessly and the work processes run smoothly and efficiently, textiles of all kinds and of the highest quality can be produced. Textile production mechanics undergo a broad vocational training. This enables them to work in all branches of the textile industry: in weaving mills, spinning mills, knitting mills, warp knitting mills or elsewhere in the textile industry. Qualifications required for this job are GCSEs or a university entrance qualification. Furthermore, soft skills such as a sense of responsibility, diligence, accuracy and reliability are expedient. The job of a textile production mechanic is a positive challenge for all those interested in engineering and manufacturing as well as in textile fabrics and patterns.
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Robots
They carry out hard work without complaining, tirelessly and precise in their performance. They explore dangerous territory for us, help us with household chores or are just playmates. Robots have long become valuable assistants in our work environment and in our everyday lives.
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