The natural water cycle

The natural water cycle is powered from solar energy. Its thermal radiation evaporates water from oceans, lakes and rivers into water vapour. As precipitation, the water enters lakes, rivers and groundwater and eventually flows into the sea. Author: 3sat/nano, mirror TV, Christine Voges, R. Engelke+S. Karm+F. Gutsche+J. Heck+B. Asgari, K. Scheef+F. Buscha, Tim Kunter Translation and redub: alugha

LicenseCreative Commons Attribution-ShareAlike

More videos by this producer

What do local politicians do?

Laws for Germany are passed in the Bundestag. Local politicians primarily manage the money of their municipality. For example, they can decide whether a new playground should be built in the municipality or how many buses should run. Source: https://www.zdf.de/dokumentation/terra-x/kommunalpolitike

What is political immunity?

Politicians in the German Bundestag are under special protection: political immunity. This means, for example, that the police can't investigate them. But why does this protection exist? Authors: ZDF/logo/Simone Klein/Renate Becker, Heidi Stifel Translation and dubbing: alugha Click here to see m

Infrasound - How elephants communicate

Elephants live in a close community in which communication is essential. The animals often communicate in very low pitches. The so-called infrasound is imperceptible to the human ear. Authors: ZDF/Tango Film/Eva-Maria Gfirtner, Judith Adlhoch/Markus Strobel/Jan-Philipp Stahl/Magnet fx Translation