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Lichtverschmutzung
Die Elektrifizierung bescherte der Menschheit einen technologischen Quantensprung. Insbesondere die Möglichkeit elektrischer Beleuchtung dehnte die Produktivitätszeiträume der Menschen aus. Dass künstliche Beleuchtung durchaus als „Lichtverschmutzung“ mit negativen Auswirkungen auf Menschen, Tiere und Pflanzen aufgefasst werden kann, ist eine vergleichsweise neue Erkenntnis.
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Epidemien, Pandemien, Endemien
Sie begleiten und bedrohen den Menschen seit Urzeiten und sie haben mehr Todesopfer gefordert als alle Kriege zusammen. Die Rede ist von Seuchen.
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Fossils
Is it possible for a stone to tell us a story about what animals and plants used to be there in former times?
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Neanderthal Man
For 250,000 years the Neanderthal dominated Europe during the last glacial period until he died out about 30,000 years ago.
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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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Mammals I
When we talk about animals in everyday conversation, we mostly talk about mammals. Mammals live in water, on land and in the air. Countless species of the most diverse sizes and appearances populate our earth. A clear classification is not always possible because of their adaptation to their different habitats.
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The Honey Bee
Untiringly, the honey bees fly from flower to flower, constantly in search of pollen and sweet nectar. These busy workers live together in a complex social system an insight into which is provided by this film. In vivid pictures, it describes the life of the honey bee in the bee colony and deals with the inhabi- tants of the beehive and their strict division of labour. It shows the worker bees foraging for food and communicating with each other in their characteristic way. The second part of the film illustrates how a new bee colony is formed and describes the course of a bee‘s year from the new queen to the mating flight and the brood cells and finally to the expulsion of the drones in the „slaughter of the drones“. The DVD and the didactically arranged worksheets are per- fectly suited for the classroom both as an introduction to the topic and as a tool for the pupils when working individually or preparing projects.
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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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Blood
One moment of distraction and the damage is done: Tim has slipped and has scraped his knee. The wound begins to bleed. Back home, Tim is comforted by his mother and a plaster is put on the knee. Actually, this is not necessary any more because Tim’s body has already started to help itself by forming a scab on the wound. A skin injury makes it possible for germs and dirt to enter the body. To prevent this from happening our organism repels all foreign substances, beginning at the same time to close the wound. This is done with the help of blood clotting, which starts directly when blood gets into contact with the outside world for example.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
Muslim Festivals
Meryem and Rabia at midday prayer with their parents. Normal daily routine for them because they belong to the almost five per cent of the German population who are of Muslim faith. They have, like most Christians, too, very special feasts, rituals and holidays. We are going to accompany them and other Muslim families on these festivals.
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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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Freight Traffic
Most of us have probably ordered goods on the Internet at some point since online trade is perpetually booming. Amazon is one of the largest Internet retailers in the world. One click on the order button triggers a whole chain of transport services, most of which are invisible to us, apart from the DHL delivery service, which brings the ordered articles to our homes.
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