Search results for “Überleben der Passendsten”

09 Intermolecular Interactions

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.

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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

What is the Wallace Line?

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

What are pesticides?

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

The hunting secret of the lacewing

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

Photosynthesis of trees

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

Anatomy of the clitoris

The clitoris is part of the female genital. Only the glans clitoris is visible. Most of the organ is located inside the pelvis. https://www.zdf.de/dokumentation/terra-x/anatomie-der-klitoris-creative-commons-clip-100.html URL to full docu: https://www.zdf.de/dokumentation/3sat-wissenschaftdoku/vu

How Can Cities Benefit From Digitization?

What's Digitization and how do cities benefit from it? Through smart networking of value-adding systems, cities can act more sustainably. This prepares them for the future while benefiting their residents and businesses. This video was produced in collaboration with Fraunhofer Institute for Industri

Dogs in ancient Rome

Lap dogs were probably showered with luxury and pampered as never before in history. But not all Romans wanted these little dogs. Hunting dogs were common as well: greyhounds, bloodhounds or massive Molossians. Source: https://www.zdf.de/dokumentation/terra-x/hunde-im-antiken-rom-creative-commons-