Five questions and answers: What is herd immunity, and why is it so important? How many people need to be immune, how do you calculate it, and what are the requirements? Author: 3sat/nano/Raketenfilm/Andreas Gust/Konstantin Fuchs/ Translation and redub: alugha Click here to see more videos: http
* RHINOCEROS * | Animals For Kids Quality, educational videos for kids. Made in the UK. ----------------------------------------------------------------------------------------- Rhinos. Big strong Rhinos have long horns on their noses. They are the second largest land mammal.Only elephants are bi
Van der Waals forces, dipole-dipole interactions and hydrogen bonds are explained. It is briefly repeated again how the polarity of molecules can be determined. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Migrationspolitik, Beratungsrealität und Situation in den Herkunftsländern Eine Kooperation von Brot für die Welt, medico international, der Stiftung PRO ASYL und der Heinrich-Böll-Stiftung Die Zahl der Ausreisen zu erhöhen, ist erklärtes Ziel der Bundesregierung und dominiert vielfach auch die m
In the island world of Southeast Asia, the animal worlds seem strangely separated. How come? In the 19th century, naturalist Alfred Russel Wallace had a theory. Source: https://www.zdf.de/dokumentation/terra-x/was-ist-die-wallace-linie-creative-commons-clip-100.html https://www.zdf.de/dokumentati
Philipp studies cancer research and has been dreaming of a career in medicine for ages. Aljosha had all of that, worked as a doctor for a long time and then decided to pursue a career as a content creator/activist/meaning fluencer. Today he sits here and talks to Philipp. About his stem cell donatio
Five reasons you might hesitate to get the COVID vaccine, and why you should probably get it anyway: 0:46 - Unknown risks 1:48 - Effectiveness 2:28 - Fake news 3:30 - COVID conspiracy theories 4:00 - Your right not to be vaccinated Even if you are worried about getting the COVID vaccine, or are c
How do you decide whether you should be worried about communicable diseases like measles? University of Michigan’s Professor Brian Zikmund-Fisher returns to Risk Bites to explain the "availability heuristic" – the way we all use our memory and feelings to inform our risk perceptions about infectious
What is nitrogen, what is reactive nitrogen? Why is too much of it a problem for humans and the environment? And what can we do about it? Our video provides answers. More information on reactive nitrogen on the UBA website at https://www.umweltbundesamt.de/themen/luft/wirkungen-von-luftschadstoffe
In Germany, around 1000 crop protection products are registered - such as insecticides or fungicides. A plant protection product consists of a toxic active ingredient and an often toxic co-formulant that makes the product water-soluble, for example. Author: 3sat/nano/DokUtopia Film/Berndt Welz/Seba
Pearl lacewings lay their eggs near termite burrows. Once the larvae have hatched, they sneak into the burrow. If a larva encounters termites there, it swings the tip of its rear end to head height of its victims and farts. Source: https://www.zdf.de/dokumentation/terra-x/das-jagdgeheimnis-der-flo
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
