February 4, 2014 Medical Science
Nursing models, by definition is, “systematically constructed, scientifically based, and logically related set of concepts, which identify the essential components of nursing practice and provide a cohesive and systematic approach to the patient.” (Riehl & Roy 1980) Prior to 1960,…
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February 4, 2014 Medical Science
Yawning is an involuntary action that is commonly associated with fatigue, boredom or tiredness, and is quite common among most living creatures, including snakes, primates and carnivores. In human beings, yawning is considered to be a very purposeful non-verbal signal,…
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February 4, 2014 Physical Science
Understanding net ionic equations in chemistry requires first understanding ionic exchange reactions, and in particular, precipitation reactions. Ionic exchange reactions, including precipitation reactions, take place in water, referred to in chemistry as “aqueous solution.” When an ionic compound is dissolved…
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February 4, 2014 Medical Science
During the design and evolution of early hominids, a response to prevent early human ancestors from being eaten by the much larger and ferocious predators of that day was developed. Known today as the “fight or flight response”, this hardwired…
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February 4, 2014 Physical Science
It’s hard to imagine that something as large as a moon could be lost, but that’s exactly what happened to Naiad, Neptune’s closest moon. The 62 mile-wide moon went missing in 1989, shortly after it was discovered by the cameras…
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Medical technology in today’s society is often seen as a treatment or cure for human health issues. The term medical technology refers to the diagnostic or therapeutic application of science to improve the management of health. Unfortunately, the negative impacts…
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February 4, 2014 Medical Science
The Functions of the Right Side of the Brain Unraveling the mysteries of the brain presents an exciting challenge to modern scientists. Its complex series of connections and chemical signaling pathways make it virtually impossible to pinpoint the exact area…
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February 4, 2014 Medical Science
DNA damage is not as dangerous as some people think. Our bodies have many effective mechanisms to repair cellular damage, and to protect the rest of our body from the effects of damage to any particular cell. Still, it is…
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February 4, 2014 Medical Science
General anesthesia is used to, as commonly said, “put a patient under” for surgery and other invasive medical or dental procedures. As explained by Dr. Arjun Desai and colleagues for Medscape, general anesthesia is a reversible state of unconsciousness in…
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February 4, 2014 Medical Science
The most fun way to learn a little about genetics is to understand heredity first hand, your own heredity; and you can do this by examining the actual dominant and recessive traits that you possess. * Genes from Mom and…
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