Archaea are prokaryotes that differ from bacteria and eukaryotes enough to be assigned to their own taxonomic domain. Here is a brief introduction to Archaeans. Until the 1970s, these single-celled microbes were thought to be bacteria, belonging to the domain…
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Pennyroyal (Mentha pulegium) is a perennial herbaceous plant that belongs to the lamiaceae (mint) family. Superficially, it looks like a low-growing form of common garden mint. Like all members of the mint family, the stems have a characteristic square cross…
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Many people have heard of the genus Staphylococcus. The most popular bacteria in this genus are Staphylococcus aureus which is responsible for a multitude of diseases within the human population. One of the more overlooked bacterium from this genus is…
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Bacteria has the connotation of disease and rot, of rampant negative growth. People worry about infections, and attempt to halt the spread of bacteria. E. coli and staph are frightening words to hear from a doctor. Antibacterial hand cleaner is…
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Shigella is a gram-negative, rod-shaped bacterium that belongs to the tribe Escherichieae within the family Enterobacteriaceae. These bacteria are closely related to the genus Escherichia which is best known for the E. coli species. Unlike E. coli, none of the Shigella species…
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Protozoa are a difficult to define group of single celled organisms, They fall within the general classification of protists. The protists are believed to be the early ancestors of the multicellar plant and animal kingdoms. The protists are single celled…
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A bacteria is a tiny, single-celled prokaryote microorganism. They have many shapes and external features, and are usually only a few micrometers long. Bacteria live almost everywhere on earth, from water to radioactive waste, and are some of the most…
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The term bioluminescence refers to any source of light generated by living organisms. For the purposes of this article, the light in question is the visible spectrum, or wavelengths from 400 to 800 nm. Most people are familiar with animal…
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Want to improve your health? Maybe you should eat dirt…or earth to be exact. A new scientific study reveals that eating earth may improve digestion and bring other health benefits as well. Researchers at Cornell University set about culling documents,…
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A secretion is when something is released or oozes if you throw in the bacteria, you have a bacterial secretion. The easiest way to remember what a secretion is is to think of something being transported from the inside of…
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