In the 11th and 12th centuries, a once great culture settled in the south of the USA - in Chaco Canyon: the Anasazi. How was this possible in an area where it didn't rain for almost ten months of the year? Author: ZDF/Terra X/Tobias Schultes/Oliver Roetz, Maria Zimmermann/Marc Trompetter Translati
What makes RNA viruses so dangerous?
The coronavirus is an RNA virus. An RNA is chemically more susceptible than a DNA. Errors occur more frequently during copying, and the virus mutates. Our immune system reacts slowly to it, vaccine development is more difficult. Author: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schlegel, Max Narkovic/Paul’s Boutique/Jochen Schmidt/Dr. Lisa Oestereich, Bernhard-Nocht-Institut für Tropenmedizin (BNIT) Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX
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With photosynthesis, trees master one of the most important biological processes in the world. With the help of their leaves and the pigment chlorophyll, they produce their own nutrition with just three ingredients, while still producing fresh oxygen. https://www.zdf.de/dokumentation/terra-x/die-fo