Best we know, which contains the largest number of species: the Bacteria, the Fungi, or the Protists? Read more →
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Best we know, which contains the largest number of species: the Bacteria, the Fungi, or the Protists? Read more →
Posted on July 29, 2021 at 01:30 AM in Talmudic Questions | Permalink | Comments (0)
by Janie — Inside of a cell, some biomolecules cluster together to behave as a liquid. These liquids can reversibly form distinct phases, like the classic example of lava lamps, where mineral oil blobs slip and slide off the water-and-alcohol mix. This is liquid-liquid phase separation (LLPS)... Read more →
Posted on July 26, 2021 at 01:00 AM in Physiology & Genetics | Permalink | Comments (0)
by Elio — Not all of us, me included, are fully aware that the algae include pathogens of many vertebrates, such as humans and domesticated animals. The most important ones are Prototheca bovis (once P. zopfii) and P. wickerhamii. A fine overview of this subject by Shave, Millyard and May from the University of Birmingham, UK, has been... Read more →
Posted on July 22, 2021 at 01:30 AM in Pathogens | Permalink | Comments (0)
by Elio — In 1962, Thomas Kuhn wrote a book of seminal importance, 'The Structure of Scientific Revolutions' wherein he introduced the concept of "paradigm shift." Kuhn proposed that science advances through a "series of peaceful interludes punctuated by intellectually violent revolutions," in which "one conceptual world view is replaced by another." Paradigm shifts occur... Read more →
Posted on July 19, 2021 at 01:30 AM in Odds & Ends | Permalink | Comments (0)
by Elio & Roberto — As microbiology teachers, many of us delight in retelling the 17th century story of Leeuwenhoek peering through his microscope at samples from his dental plaque or Delft canal waters and naming the creatures he observed "animalcules." However, that story is apocryphal because Leeuwenhoek spoke Dutch. The words he used... Read more →
Posted on July 15, 2021 at 01:29 AM in Odds & Ends, Teachers Corner | Permalink | Comments (0)
by Elio — Alcoholic beverages typify human societies. Think of champagne and the French, scotch and the Scot, and so on. In the Western regions of South America, mainly Peru, Ecuador, and Colombia, the main artisanal alcoholic drink made by the native people is called chicha. Read more →
Posted on July 12, 2021 at 04:00 AM in Odds & Ends | Permalink | Comments (0)
by Christoph — ...for the most part. And it's vastly deeper than the diagram Roberto showed in his recent post "The Biological Pump." The euphotic and mesopelagic zone sizes are correct, but do not even approximately corelate with their vertical representation in the diagram. Why is this a point... Read more →
Posted on July 08, 2021 at 01:30 AM in Pictures Considered, Teachers Corner | Permalink | Comments (0)
by Rupinder Kaur, Sarah R. Bordenstein, and Seth R. Bordenstein — Amidst a global surge and focus on COVID-19 infections, other diseases that have had and will continue to have impact on human health cannot be forgotten. Dengue, for example, continues to be a major mosquito-borne viral infection, impacting more than 100 million people per year. Dengue can inflict... Read more →
Posted on July 05, 2021 at 01:30 AM in Pathogens, Symbioses, Viruses | Permalink | Comments (0)