January 20, 2015 Physical Science
Why we have the periodic table: In the early nineteenth century, John Dalton would add his own two cents worth to a debate that had continued since the time of Aristotle and Democritus. The question being: What is all the…
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Writing a comprehensive list of medicines that come from or originally came from plants could produce a very large book. The reason is that far more medications came from plants (or still do) than man has produced in his laboratories….
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January 20, 2015 Physical Science
There are hazards associated with any chemical reaction, though some receive more attention than others. Danger is clearly associated with fires and explosions, which are produced by exothermic reactions that can release tremendous amounts of energy. Still, even endothermic reactions,…
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January 20, 2015 Physical Science
Every minute of every day in our physical universe, chemicals react with one another. Some of these are beneficial to humanity and save lives, while others have the potential to destroy entire empires and civilizations. A chemical reaction is a…
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January 20, 2015 Physical Science
Whether you are preparing for Halloween, playing a vampire in a local stage production or are about to attend a horror dress up party, you might look a lot scarier if you add some fake blood to our outfit. You…
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January 20, 2015 Social Science
Three bottles of beer, that is all my alter ego needs to kick start into life. One moment I am purring along at my normal organized even tempered sweet pace. After the third beer, my alter ego is me, my…
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January 20, 2015 Physical Science
Most people generally know about the precious metal silver through rings, necklaces and other pieces of jewelry and this is one of the common uses of the metal. However it can be also be utilized for many other purposes and…
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Laetiporus sulphureus is a common, brown rot, soft bracket fungus which is mainly found growing on old oak trees. The fruit bodies of this fungus can appear as early as spring, and may reproduce several times until late autumn. This…
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January 20, 2015 Physical Science
Quality assurance encompasses four stages of laboratory analyses: patient identification, patient and sample preparation, testing or assaying and reporting or recording of results. Quality control specifically used in the third stage of quality assurance testing, is a valuable tool in…
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January 20, 2015 Physical Science
We have all been there. Preparing a special salad, or an apple pie, wanting everything to be perfect for our family and guests. Then, before the blink of an eye, the pristine juicy cut surfaces of the fruit begin to…
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