February 22, 2014 Medical Science
Chromosomal abnormalities range from the loss or addition of an entire chromosome to variations in smaller portions of the genetic sequence on a particular chromosome. The risk of chromosomal abnormalities increases with maternal age, probably due to the processes involved…
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Cell membrane, which was discovered during the 2nd half of the 19th century, can be defined simply as a biological membrane that separates the interior of all cells from the outside environment. It acts as both the defense line and…
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February 21, 2014 Physical Science
The substance best known for expanding, rather than condensing, as it freezes is, of course, water. The reason for this unusual phenomenon is that as they freeze, the water molecules form a tetrahedral lattice. Wait, one might ask, what’s a…
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February 21, 2014 Earth Science
The layers of the Earth are formed by a process known as planetary differentiation, which consists of the separation of its distinct components based on its chemical characteristics. In this process, the denser material descends to the center, while the lighter…
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February 21, 2014 Physical Science
Symbols are used as a way to identify an idea or object in a simplified form. Symbols are also used as a universal language. The stick figure drawing of a person, at a crosswalk, on a sign near a street…
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February 21, 2014 Earth Science
Robotic submersibles, the great winch for lifting and lowing survey systems into the ocean, and sonar and dive equipment are essential features of oceanography vessels. These vessels carry laboratories and have satellite communications. Submersibles Oceanographers study all things related to…
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February 21, 2014 Earth Science
It’s almost impossible to know the precise ways in which the core of the earth was formed but technology give us many clues. Many unanswered questions remain about what is at the center of the earth and what holds it…
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February 21, 2014 Social Science
Understanding Structuralism in Psychology Structuralism was the first “school” of psychology devoted to applying the scientific method to psychology. Edward Titchener and Wilhelm Wundt were the pioneers of this approach though Wundt is considered to be the father of Structuralism….
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What happens to spiders during winter Did you ever wonder where all the spiders go in the winter? (Excluding those little rascals you still find occasionally in your house!) Do they die? Do they hibernate? Do they just hide somewhere…
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February 21, 2014 Earth Science
Geophysical studies have revealed that the interior of the Earth is comprised of multiple layers, just like the exterior. These layers, more commonly known as structures, of the earth can be defined in two ways, chemically and mechanically. Chemically, the…
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