Compendium – an open repository of university-level educational resources

maintained by the University College Freiburg

Most Recent Resources

  • Troubled Waters – PBL Case

    Troubled Waters – PBL Case

    Cholera is an infectious disease that, in severe cases, results in vomiting and diarrhea, which, if left untreated, can lead to death caused by dehydration and electrolyte loss sometimes even within hours. In 1883 physician and microbiologist Robert Koch identified Vibrio cholera as the bacterium that causes the disease. It can be found in plankton,…

  • Reacting Quickly – PBL Case

    Reacting Quickly – PBL Case

    In 1662 René Descartes, the French philosopher, wrote about the question of how it comes that we immediately react to noxious stimuli such as heat so quickly. Since then , our understanding of the nervous system has evolved immensely, yet some of the vocabulary used and the descriptions involved remain strikingly similar. In this PBL…

  • Are viruses alive? – PBL Case

    Are viruses alive? – PBL Case

    One question has been puzzling scientists for a while: are viruses alive? Several criteria have been proposed to distinguish the living from the non-living, but this remains an area of active debate. In this PBL case, students must research and discuss the way we conceptualize the border between the alive and non-alive, taking into account…