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Eye
The eye is one of our most important sense organs. It provides direct access to the world.
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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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Vertebrates
This DVD introduces the members of vertebrates group existing today, illustrated by various examples. The phyloge- netic development, which started in the primeval oceans, is shown in detail by means of homologous skeleton structures. The variations in the body’s basic structure in adaptation to the vertebrates’ respective needs, which resulted in today’s situation with vertebrates living in water, on land and in the air, are demonstrated by means of extant representatives of the class. The vertebrates group encompasses cartilage and bony fishes, amphibians, reptiles, birds and mammals. The modifications of those skeletal elements serving locomotion, from the fins of the fish to the wing span of the birds and the hands of mammals, are shown. This DVD is suitable for the topic of vertebrates for younger pupils or as a contribution to the topic of evolution illustrated by means of the development of vertebrates.
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Ticks
Already the dinosaurs, which populated the Earth some 90 million years ago, were familiar with the tiny, dangerous pests, and the Greek poet Homer attributed healing and potency-enhancing effects to them in the late 8th century BC – however, only in pulverised form. The animals described are those clingy, blood-sucking mini-vampires – the ticks. In fact, they are parasites dangerous to us humans; not because of the amount of blood they extract but due to the diseases they can transmit in doing so. This film invites you to visit the family of the small parasites of the phylum Athropoda belonging to the class of Arachnida.
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Mute Swan
Swans are an ornament to our waters. The majestic birds with their snow-white plumage are considered the very epitome of beauty and purity. Not every swan, however, is white. It is the Mute Swan that has inspired people’s imagination for ages. Seemingly an old acquaintance, it has nevertheless a great many unknown features for us to discover.
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Vaccination
It is only in recent years that a vaccination has existed that is supposed to lower the risk of getting cervical cancer. This vaccination can protect against specific, sexually transmitted human papillomaviruses that are considered one of the causes for cervical cancer.
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Mücken
Stechmücken, Schnaken, Gnitzen und 40 Mückenfamilien mehr bevölkern unsere Erde. Während sie uns an einem lauen Sommerabend voraussichtlich nur lästig erscheinen, sind sie seit rund 120 Millionen Jahren ein wichtiger Bestandteil unseres Ökosystems.
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Hecht
Der Hecht ist Fisch des Jahres 2016. Er ist einer unserer größten heimischen Raubfische. Sein Maul ist mit messerscharfen Zähnen gespickt.
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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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Sharks
The enormous size of the jaws and the frightening teeth of sharks have always attracted people's interest. Horrifying news of attacks on humans did the rest – "Jaws“: Steven Spielberg turned this best seller by Peter Benchley into a world-famous film. The story, published in 1974, is based on true events. In the 1960s, sharks were often spotted off America's coasts and the press was generous with reports often so scary that fear was fuelled. One day, as a shark stranded, it was a unique opportunity for the crowd of perplexed swimmers to observe the supposedly terrible monster at close range. Watching living sharks from special protective cages is a popular albeit expensive tourist attraction. It is an unforgettable experience to watch and photograph a shark swimming freely and gliding gracefully.
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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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