What are viruses

Viruses do not have their own cells and metabolism. Moreover, they cannot reproduce without external help. Therefore, strictly speaking, they are not living beings. How do viruses reproduce? Author: 3sat nano/ rocket film/Titus Gust/Konstantin Fuchs Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

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Historical development of xenophobia

Prejudices against foreigners have already been handed down from ancient times. The ancient Greeks called foreigners "barbarians". At first, this only referred to everyone who did not speak Greek. Author: 3sat/nano/SPIEGEL TV GmbH /Denise Dismer, John A. Kantara/Jakob Kastner/Ezra Tsegaye/Jochen Sc

Expansion of the Roman Empire

In its heyday from the first to the third century, the Roman Empire stretched across the entire Mediterranean region to Britain. Author: ZDF/Terra X/ Gruppe5/Sabine Klauser/Sebastian Martinez/Jochen Schmidt Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX

How did Greek and Arab knowledge come to Europe?

In the Middle Ages, Europe benefited from flourishing science in the Arab world. Writings and knowledge reached Europe via Spain and Sicily. At the beginning of the 13th century, the most important ancient fundamental books were handed down. Authors: ZDF/Terra X/Group 5/Susanne Utzt, Sahar Eslah, M