How river water becomes drinking water

The managing director of the Hengsen waterworks explains the steps involved in extracting drinking water from the river water of the Ruhr. This process takes three to four days. Author: 3sat/nano/Spiegel TV/Christine Voges/R. Engelke/S. Karim/F. Gutsche/J. Heck/B. Asgari/K. Scheef/F. Buscha/Tim Kunter Click here to see more videos: https://alugha.com/TerraX Translation and redub: alugha

LicenseCreative Commons Attribution-ShareAlike

More videos by this producer

Voyager 2 and the scale of the solar system

In 1977, NASA's Voyager 2 space probe began its journey to the planets of our solar system. But the probe also provides clues about the solar system beyond the planets. Author: ZDF/Terra X/C. Haak/A.M. Wendlandt, Nikolai Holzach Translation and redub: alugha Click here to see more videos: https:

Causes of air pollution

Air pollution has many causes. The biggest polluter is energy production, with two-thirds of particulate emissions coming from coal-fired power plants. Road traffic and factory farming in agriculture also contribute to this. Author: 3sat/nano/Labo M/Johan von Mirbach/Chris Caliman/Christoph Valenti

What are viruses and how do they attack?

There are probably 100 million different types of viruses. Their attacks always follow the same pattern. The viruses attach to a cell, transfer their genetic material and force the host cells to produce new viruses. Author: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schleg