Drinking water in Germany is obtained from groundwater, surface water and spring water. Depending on the region, the composition varies. 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 dubbing: alugha
Sun and lunar year
Ancient Greek scholars knew the difference between the solar and lunar year. While the earth revolves around the sun once in the course of a year, the moon revolves around the earth about twelve times. Author: ZDF/Terra X/Tobias Schultes/WENDEVARGA Translation and dubbing: alugha Click here to watch more videos: https://alugha.com/TerraX
LicenseCreative Commons Attribution
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Fear triggers various reactions in the brain. A loud noise, for example, is passed on by the thalamus to the amygdala. This is the brain region responsible for assessing danger. It initiates the physical fear reactions. Author: 3sat/nano/Kelvinfilm/Roberto Verdecchia/Julia Zipfel/Jochen Schmidt T
Glaciation during the ice ages caused the sea level to drop. Parts of the limestone reef platforms that form the bedrock of the Bahamas fell dry. Rain penetrated through cracks and dissolved the limestone, creating widely ramified karst caves. Author: ZDF/Terra X/R. Marel/S. Hillmann/C. Gerisch/A.