Learn the basics about how alcohol is made. What are the steps necessary? And, what happens during the process of fermentation? What is Ethene? Find out in this video! This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC ( View Lic
In the screencast, the mechanism of radical substitution is explained using the example of the reaction ethane with bromine. This screencast is essentially used to follow up on the content worked on in class. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been do
The Jackson's chameleon could be called a tree triceratops. Well, the males could anyway. Male Jackson's chameleons sport three large horns on their heads giving them a similar appearance to the now extinct triceratops. Females usually have teeny horn-like structures or nothing at all, so these anim
Today, medicine is seen as an authority and a sacred institution. But like any institution, it has a dark past. The story of Dr. Ignaz Semmelweis shows how medicine was terribly wrong and how the poor judgment of the doctors cost many women their lives. In 19th-century Vienna, the young doctor was r
The menstrual cycle begins between the ages of 9 and 13. It brings physical and hormonal changes into four phases: menstruation, follicular phase, ovulation and luteal phase. This cycle typically lasts 28 days. It affects mood, health and fertility. The experiences are very different. Some have few
