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Alexandria
A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your webpage. Give contextual explanation and translation from your sites !
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Lettris
Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Each square carries a letter. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares.
boggle
Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. You can also try the grid of 16 letters. Letters must be adjacent and longer words score better. See if you can get into the grid Hall of Fame !
English dictionary
Main references
Most English definitions are provided by WordNet .
English thesaurus is mainly derived from The Integral Dictionary (TID).
English Encyclopedia is licensed by Wikipedia (GNU).
Copyrights
The wordgames anagrams, crossword, Lettris and Boggle are provided by Memodata.
The web service Alexandria is granted from Memodata for the Ebay search.
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Translation
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Die Erdgeschichte ist derjenige Bereich der Naturgeschichte, der sich mit der Entstehung und Entwicklung des Planeten Erde beschäftigt. Hierzu zählen verschiedene Forschungsgebiete:
Die unbelebte Natur wird von der Geologie und ihren Teilgebieten abgedeckt, die Herkunft und Entwicklung der Erde als Ganzes ist Gegenstand der Kosmologie. Die Entwicklung der Erde im Rahmen des Sonnensystems und der Galaxis untersucht die Planetologie. Die Klimageschichte wird durch die Paläoklimatologie erforscht.
Die Entwicklung der Pflanzen- und Tierwelt einschließlich des Menschen auf der Erde untersucht die Paläontologie mit den Disziplinen Paläobotanik, Paläozoologie und Paläoanthropologie.
Die Gliederung der Erdgeschichte folgt der Geologischen Zeitskala.