February 3, 2014 Medical Science
Variation, genetic differences essential to the survival of a species, are passed on from parent to offspring, generation to generation. Genetics, the study of this inheritance, is an expanding and ever-changing branch of science. New discoveries are being made daily…
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COMPARATIVE GENOMIC HYBRIDIZATION (CGH) Comparative genomic hybridization is a technique to study changes in copy number of DNA. Classical CGH procedure consists in labeling DNA from the “test” patient” with a particular fluorescent dye that emits green light, while DNA…
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February 3, 2014 Medical Science
“A chip of the old block”, and “Like father, like son” are some of the age old adages that reflect man’s understanding of resemblances in families, especially between parents and children. There has always been a general acceptance that “like…
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February 3, 2014 Earth Science
The United States is home to 59 national parks that are operated by the National Park Service. In order for an area to become a national park it must first be established as such by the United States Congress. The…
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The Zeroth Law of Thermodynamics The zeroth law of thermodynamics is concerned with the idea of thermal equilibrium of two or more systems. This is commonly taken to mean equality of temperature. Strictly speaking in classical thermodynamics all systems are…
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February 3, 2014 Medical Science
Sperm and egg unite; it is the symbiosis of a new life, the beginning of a new being. Paternal and maternal progenitor beings have each contributed a blueprint containing one half of their own genetic recipe. In the case of…
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February 2, 2014 Earth Science
A microburst is a weather phenomenon that can abruptly generate hurricane force winds that change direction very quickly. A microburst most frequently occurs when a mass of warm and humid air meets cumulonimbus thunderstorms, which greatly increases the ferocity and force of…
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February 2, 2014 Medical Science
There has been a handful of deadly viruses which have swept across the world, killing millions in their pathway. Is it possible that one of these old threats could mutate, and in today’s global world spread in a destructive sweep…
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February 2, 2014 Physical Science
What happens chemically when acids and bases are mixed? If general the two cancel each other out and you end up with salts and water! What happens chemically when you mix acids with bases? You can get strange smells and…
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February 2, 2014 Medical Science
DNA is a double stranded helix, constituted by four nucleic bases: adenine, thymidine, cytosine and guanine. Two strands of double helix are linked through hydrogen bonds, weak chemical bonds between adenine- thymidine and cytosine- guanine. These bonds guarantee to keep…
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