Search results for “wie viele länder gibt es auf der erde”

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Migrationspolitik, Beratungsrealität und Situation in den Herkunftsländern Eine Kooperation von Brot für die Welt, medico international, der Stiftung PRO ASYL und der Heinrich-Böll-Stiftung Die Zahl der Ausreisen zu erhöhen, ist erklärtes Ziel der Bundesregierung und dominiert vielfach auch die m

LANDING ON A COMET - The Rosetta Mission

+++ Update +++ Rosetta's lander Philae is safely on the surface of Comet 67P/Churyumov-Gerasimenko, as these first two CIVA images confirm. One of the lander's three feet can be seen in the foreground. DLR's Rosetta special http://www.dlr.de/en/rosetta ------------ After a 10-year journey of some

What is the Wallace Line?

In the island world of Southeast Asia, the animal worlds seem strangely separated. How come? In the 19th century, naturalist Alfred Russel Wallace had a theory. Source: https://www.zdf.de/dokumentation/terra-x/was-ist-die-wallace-linie-creative-commons-clip-100.html https://www.zdf.de/dokumentati

09 Intermolecular Interactions

Van der Waals forces, dipole-dipole interactions and hydrogen bonds are explained. It is briefly repeated again how the polarity of molecules can be determined. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

When did racism start?

Racist thinking is probably as old as mankind. With Columbus and the colonization of Africa and South America over 500 years ago, racism entered the world stage. However, the term "racism" was not coined until the late 19th century. Source: https://www.zdf.de/dokumentation/terra-x/seit-wann-gibt-es

Human Genome Project

In this video segment from NOVA: "Cracking the Code of Life," Eric Lander of MIT's Whitehead Institute explains the effort to decode the human genome—from motivation to process to importance—and explains what a genome map can and cannot yet do for science. This video is available in both English and

Melting ice in Greenland

Greenland's ice sheet consists of about 2.7 million gigatons of ice. Until 1990, the ice mass remained about the same. Since the turn of the millennium, Greenland has been steadily losing ice to the sea. Author: 3sat/nano/mobyDOK/Alexander Lahl/Max Mönch/Jean Schablin/Robert Coellen/Mirko Tribanek/