The word mask brings up images of cultural celebrations such as, Halloween and even beauty product masks that enhance the quality of our complexion This article focuses on masks as they pertain to the medical field, health-care professionals and infectious diseases….
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Covalent bonding is a form of intramolecular bonding that occurs as a result of a sharing of electrons between atoms, usually occuring between elements of similar electronegativity. Electrons alternate between two or more atoms, causing the atoms to attract. This…
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Neuroscientists at the National Institutes of Health published puzzling research in the Journal of the American Medical Association (JAMA) in February 2011. Though many have speculated on the effects of cell phone signals on the brain, studies have found no…
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My opinion is that it was real, and there are some very good reasons that I say this. First, almost everyone knows that at one time or another, every nation has intentionally deceived as many of their own people as…
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An interest in Mars began in the 1870s with the Italian astronomer, Giovanni Schiapparelli, who used a telescope to observe the Martian canals. After that an amateur astronomer and American businessman by the name of Percival Lowell founded an Arizona…
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Having been born in 1955 and being predisposed to a mother who wrote every day about her family and the events in the world taking place about her, the space race of the sixties was a very real part of…
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The periodic table of elements at first glance resembles a scrabble board in that colored squares of information are lined up horizontally and vertically. Within these blocks of information we learn the symbol of elements, the atomic weight, the date…
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Diffusion and osmosis are both equilibrium-related processes. Diffusion describes a general behavior of fluids (e.g. gases, liquids, solutions). Osmosis is a specific type of diffusion, occurring when mobility is restricted by a semi-permeable barrier. To make life easy, here’s an…
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Blood gas analysis measures the pressure exerted by the gases that we inhale and exhale dissolved in blood. The pH of 7.40 is a perfect balance of acids and bases. Arterial blood, which supplies each body organ’s metabolic needs, is…
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Isotopes are used in medicine, and in other areas of technology. Isotopes are atoms of an element that have a different number of neutrons. In these atoms, the smallest particle of matter, neutrons and protons reside in the nucleus of…
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