Charlemagne had the Royal Palatinate (later Imperial Palatinate) expanded into a large complex in Aachen at the end of the 8th century. The spiritual center is the Palatinate Chapel, today the Aachen Cathedral. Author: ZDF/Terra X/Faber Courtial, Jörg Courtial
Like other viruses, retroviruses attack cells and force them to produce more retroviruses. This is only the first stage of the attack, because retroviruses implant into the genome and become part of our DNA. Authors: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schlegel, Max
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:
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
