Biology
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Cranes
Symbol of Nature Protection
They are counted among the most elegant and distinctive domestic birds. Due to their size, cranes can hardly be overlooked. Their call can be heard for miles. And: You hear them more and more often.
In the seventies, only 17 crane pairs were to be found west of the Elbe. East of it, there were at least some hundreds. Today the number of breeding pairs in Germany is almost 8.000 and rising! But what were the reasons for the disappearance of the cranes? And: Why have they increased their numbers again so successfully in the meantime?
Curriculum-centred and oriented towards educational standards
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Blogging
The weblog or blog, for short, as a medium is not much older than this century. Blogs came into being in the World Wide Web as ’messages from below’, as web pages from web creators who wanted to share their view of the world with the world. They are short notes, long texts, pictures, videos, which are posted loosely and at random intervals to the world for an undefined public.
