This article discusses the famous pump handle that John Snow may or may not have had removed ... read the article to get the true story. From medical historian Peter Vinten-Johansen. Read More
Microbes around us is an introductory open on line course of microbiology. Key words are: bacteria, virus, biodiversity, microbial evolution, extremophiles, microbiota, rumen, nitrogen cycle, biotechnology, industrial microbiology, biodegradation, biofuel, microbial engineering, infectious disea... Read More
While Hollywood loves to imagine humans encountering all manner of horrific monsters in the depths of space, the greatest threat to a long-term, manned space mission may not come with tentacles, or extra mouths, or an insatiable love for human flesh. It may, in fact, be the invisible microbes t... Read More
If the reader does not believe that viroids and satellites are distinctive, then surely prions, infectious agents composed only of protein, must impress.
The question of whether infectious agents exist without genomes arose with the discovery and characterization of infectious agents associat... Read More
Dear water-based life forms:
It is 24 degrees in Overland Park, Kansas and I am looking at a slide labeled "Giardia lamblia", part of a museum exhibit on water and human (over) use of water.
I see a greenish lump. I don't kno... Read More