Scientific Notation Essays (Examples)

scientific notation, its uses and rules for calculations. One example from everyday life: a computer hard disk holds 4 gigabytes of information, that is 4,000,000,000 bytes of information. ritten in scientific notation, that is 4 X 109 bytes.
Scientific notation is used to write very large and very small numbers. hile ordinary numbers are useful for everyday measurements, for large measurements like astronomical distances, scientific notations offers a way of expressing very large and small numbers in a concise way.

Scientific notation is based on powers of ten. Because many large and small numbers consist of just a few integers plus many zeros, the power of ten can be used to shorten the length of the written number.

A number that is written in correct scientific notation is made up of three parts. The first part, the coefficient, is a number between 1 and 10. The second part, the base,…

Metric ystem -- One of the reasons measurement can be complicated is that there is more than one system in use. Based on the Ancient Roman system, the metric system is based on powers of 10; which is called decimalization. The metric system has been the preferred European and scientific method of measuring sine the 18th century, but is not part of the International ystem of Units, which is also standardized. Because the metric system is based on powers of 10, units are easier to align. cientists use the metric system as a way to have a common measurement between countries and over time. cientists use notation that makes it easier to conceptualize distances much easier, particularly when these distances are large. Mathematical examples include:
If Mike needed a desk that was 5 feet by 4 feet wide, how many inches of trim would he need for the whole desk.…

It helped lead to more accurate readings of inanimate objects like rocks, too, which helped scientists narrow down the age of the Earth and how it has evolved through time.
Macdougall uses many differing sources for his book, as his "notes and further reading" section indicates. He uses books, journal articles, essays, and scientific data, and offers some of that data up in Appendixes in the back of the book. It is quite clear he is an expert in his subject. What is more important, however, is that he has the ability to make what could have been a very dry and dull subject very readable. He opens the book with the story of Oetzi, the Alpine Iceman, a fascinating look into the very heart of the book's thesis, and he grabs the reader's attention right away with this interesting story of a man who is probably at least 4,000…

2. Scientists avoid using the terms "true" and "the truth" because they are too absolute. Science does not aim to give absolute knowledge. Instead, the scientific method relies on the senses and on experiments by creating hypotheses and testing them. Also, science is based on the five senses. The terms "true" and "truth" do not acknowledge the limitations of the five senses. Scientists understand that the body of knowledge created by science has changed over the years because of the development of better instruments to measure and gather data. The human senses might not change much, but the reliability of the senses change as instruments become more sophisticated. Scientists are constantly striving to improve the reliability of their observations and so can never claim to know the "truth." The five senses can point to what seems to be true, but scientists work with objectivity. Truth is a subjective issue, which…

IT professional must become the 'Renaissance Person' of the 21st century workplace: a brief essay describing how each of the 16 reference disciplines provides support for and inform IS/IT practice
Once upon a time, Informational Science and Informational Technology were thought of as enclosed, rarified disciplines. These disciplines were thought to be the provenance only of the technically astute. Thus, IS and IT personnel were usually relegated to their own, specific areas of most organizational hierarchies. Specialists in IS/IT practice were sometimes known as mere 'techie geeks,' with necessary and specific skills, but ones with little application outside the field. Thus was partly because the educations of IS/IT personnel, fairly or unfairly, were assumed to consist of matters specific only to the discipline of technology, rather than comprising any aspect of the humanities, social and natural sciences, or even the more theoretical aspects of technology such as Artificial Intelligence.

However,…

The purpose of this set of questions is to see whether they would engage in similar action even if they know that the other individual will not reciprocate given the reverse of their circumstances. All individuals will answer blindly, and we will anonomously collect all of the information.
Discussion:

There are many different results that are possible within this experiment. First, the expected result is that the majority of individuals will answer that they would act altruistically. However, they could act altruistically in some cases, as when they are giving change back to others, but selfishly when it comes to saving a drowning person and risking their own lives. Another scenario is that they could act selfishly when they are in the room by themselves, but when they are doing so in conjunction with someone else, they might be motivated by the visual sign of someone else to be altruistic.…

American Religious History
Defining fundamentalism and liberalism in Christianity is hardly an exact science, especially because prior to about 1920 there was not even a term for fundamentalism as it exists today. hile present-day fundamentalists often claim descent from the Puritans and Calvinists of the 17th and 18th Centuries, Puritans were not really fundamentalists in the modern sense. They were not in conflict with 20th Century-style liberals and supporters of evolution and Higher Criticism because those did not yet exist. As George McKenna put it "if there were no liberalism there would be no fundamentalism" to react against it (McKenna 231). Today, about one-third of Americans define themselves as evangelical Protestants, and all Republican Party politicians have to make appeals to the Christian Right (Hankins 1). In 1976 there were at least fifty million 'born again' evangelical Protestants in the United States, and today their numbers may be as high…

However, the point of mergence between the two theories has been given a name for itself and it is known as the Overlap Thesis. Overall, the natural law theory of law is used to refer to the analysis of legal systems and philosophical issues of law.
Among those who sought that natural law has no valid grounds is Leo Strauss who was convinced that it has to be refused on the premises of history and of the differences between facts and values. To most of those who oppose natural law, human knowledge and thought is characterized by the historical interpretation and history is time-bound and thus unable to encompass something which is eternal. Another reason natural law has been criticized is because of its ontological and epistemological suggestions. In regards to the former, it has been noted that no matter the way reality is perceived, whether from a theological point-of-view,…

Working Disciplines
Education in today's institutions is fragmented. Attempts at holistic and comprehensive understanding tend to fall short of practical usage consistently and often tragically. The purpose of this paper is to explore the discipline of physical science and how it relates or doesn't relate to other disciplines that are found in current academic studies. In this essay I will explore the difficulties and shortcomings of educational attempts to correlate and ultimately make sense of multi-disciplined explanations and knowledge.

Humanity has been blessed with the ability to communicate complex ideas and artistic expression. The goal of education is to organize and utilize these forms of communication in order to practically improve the human condition. This appears to be a very difficult task. Physics is a discipline which focuses on the reactions of strictly material influences. This discipline attempts to explain physical forces and to predict their outcomes. Why then is…

Note the distinct similarities.
An examination of Escher's Circle Limit III can thus tell us much about distance in hyperbolic geometry. In both Escher's woodcut and the Poincare disk, the images showcased appear smaller as one's eye moves toward the edge of the circle. However, this is an illusion created by our traditional, Euclidean perceptions. Because of the way that distance is measured in a hyperbolic space, all of the objects shown in the circle are actually the same size. As we follow the backbones of the fish in Escher's representation, we can see, then, that the lines separating one fish from the next are actually all the same distance even though they appear to grow shorter. This is because, as already noted, the hyperbolic space stretches to infinity at its edges. There is no end. Therefore, the perception that the lines are getting smaller toward the edges is, in…

music composer Wolfgang Mozart and his life and death. The writer concentrates on the theories that have been put together regarding what may have killed the composer, including bad pork, bad heart and a jealous peer. There wee 12 sources used to complete this paper.
One of the greatest composers in history was composer Wolfgang Mozart. He put together musical marriages that were unheard of in his time and today are still considered genius. Mozart was a man of many traits and was well-known for his quirky personality especially at the end of his life. His death has been shrouded in mystery for many years and theorists still work to try and draw s conclusive picture about what may have happened to the man in his final days. Before one can begin to understand the various theories surrounding his death one must have a grasp on who the man was…

The reward for the effort of learning is access to a vocabulary that is shared by a very large population across all industries globally" (p. 214). Moreover, according to Bell, because UML is a language rather than a methodology, practitioners who are familiar with UML can join a project at any point from anywhere in the world and become productive right away. Therefore, Web applications that are built using UML provide a useful approach to helping professionals gain access to the information they need when they need it.
Overview of the Study

This paper used a five-chapter format to achieve the above-stated research purpose. Chapter one of the study was used to introduce the topic under consideration, provide a statement of the problem, the purpose of the study and its importance of the study. Chapter two of the study provides a review of the related peer-reviewed and scholarly literature concerning…

Generally, the classification of model transformation tools is based on whether it is declarative or operational, directionality or multiplicity.

The study further discusses the sub-categories of model transformation that include:

hybrid transformation tools, graph transformation, relational, template based, operational based, structure driven and direct manipulation.

All the sub-categories of model transformation have the following features:

Hybrid transformation combines two or more transformation approaches;

Graph transformation focuses on graph rewriting over variation and extensions of labeled graphs.

Relational approach uses declarative approach-based mathematical relations; template approach uses model template specifications.

ATL Transformation Tool

The project reveals that ATL is one of the effective transformation tools used to semantic or syntactic translation and it is built on transformation Virtual Machine model. The ATL was developed from the ATLAS framework, which enabled the specification of one or more target models. The project further reveals that ATL is hybrid language providing the mix of…

Chinese Mathematics
In ancient China, the science of mathematics was subsumed under the larger practice of suan chu, or the "art of calculation." The Chinese are believed to be one of the first civilizations to develop and use the decimal numeral system. Their early mathematical studies have influenced science among neighboring Asian countries and beyond.

This paper examines the history of mathematical knowledge in China. It looks at the early Chinese achievements in the field of mathematics, including the decimal system, calculation of pi, the use of counting aids and the application of mathematical principles to everyday life. It also examines the influence of Indian and later, European mathematical knowledge into Chinese mathematics.

Early China

Unlike the ancient Greeks who prized knowledge for its own sake, much of the scientific studies conducted in ancient China were spurred by practical everyday needs. Because of its geographic location, China was prone to…

" Another strongly associated physical symptom is the persistence of migraine. Wieland observes that 40% of severe IAD youth take medication for migraine. The physical detriment of migraine develops into lifelong problems that are many times hard to cure or incurable.
The physical health of youth internet addicts are hard to dissect, partly this is because physical health often results from psychological addiction, and as a result, are attributed to traditional addict like symptoms and affects. The negligence of addicts in relations to their health causes indirect health problems, that may not be directly linked to IAD, but internet use lies at the heart of how such problems will occur and are dissected.

Research Question/Hypothesis:

The problem of internet addiction among youth has been carefully dissected through both social and scientific constructs. However, prevailing research into the actual physical and mental health of youth as a direct result of internet…

lives of Archimedes and Carl Friedrich Gauss, two of the greatest mathematicians of all time, through a point by point comparison of their childhood and education, mathematical contributions and the influence their work has on the science of mathematics.
Childhood and Education

Archimedes (287 BC to 212 BC) lived most of his life in Syracuse, Greece. This son of an astronomer and mathematician was born into a distinguished family and was able to comfortably devote his life to mathematical research.

Carl Friedrich Gauss (1777-1855) was born into a humble German family. His early mathematical promise marked him as a prodigy and eventually earned him admission to university.

Major Mathematical Ideas

The mathematical work of Archimedes centered on the theoretical, particularly geometry. His greatest mathematical contribution involved measuring areas and segments of plane and conic sections.

Gauss's work centered on number theory. Unlike Archimedes, Gauss also used ventured into applied mathematics…

Pedagogic Model for Teaching of Technology to Special Education Students
Almost thirty years ago, the American federal government passed an act mandating the availability of a free and appropriate public education for all handicapped children. In 1990, this act was updated and reformed as the Individuals with Disabilities Education Act, which itself was reformed in 1997. At each step, the goal was to make education more equitable and more accessible to those with special educational needs. During the last presidential term, the "No Child Left Behind" Act attempted to assure that individuals with disabilities were increasingly mainstreamed and assured of high educational results. All of these legislative mandates were aimed at insuring that children with disabilities were not defrauded of the public education which has become the birthright of all American children. The latest reforms to IDEA, for example, provided sweeping reforms which not only expanded the classification of special…

Students in the 21st century have the opportunity to learn at a rapid pace, through the use of new media and new pedagogical methods. New media shifts the pedagogical focus away from fragmented knowledge towards a more integrative and multidisciplinary understanding of the natural world. 21st century learning engages students with material, encouraging them to think creatively and critically rather than simply learning by rote memorization. Science curricula in public schools should reflect the new tools and technologies of the 21st century.
The Australian science curricula remains committed to 21st century learning and the development of effective citizens. To develop effective citizens, science teachers need to cultivate in their students a sense of curiosity or scientific inquiry and an appreciation for the scientific method of answering questions. A scientific worldview encourages students to ask probing questions and shows them how to find the answers to those questions. Science is a…

Assurance and Security (IAS) Digital forensics (DF)
In this work, we take a look at three laboratory-based training structures that afford practical and basic knowledge needed for forensic evaluation making use of the latest digital devices, software, hardware and firmware. Each lesson has three parts. The duration of the first section of the three labs will be one month. These labs would be the largest labs. The Second section would consist of smaller labs. The training period duration in these labs would also generally be one month. The third section would consist of smallest labs. The duration of training period in these labs would be one week. The training will be provided in the field of software, programming concepts, flowcharting and algorithms and logical reasoning- both linear and iterative.

Part 1 Larger Labs:

Lab 1(Timeline Analysis)

Purposes and goals of the Lab (Lab VI):

Use MAC (Media Access Control, internet…

Noncoding DNA, also known as "junk DNA" describes portions of the DNA sequence that do not appear to have any presentable use -- they do not encode for proteins, etc. In fact, in a most eukaryote cells, a rather large percentage of the total genome is noncoding DNA, but this varies between species. However, it is now a misnomer to call this material "junk," because the more sophisticated we become at biochemistry, we find that many do have subtle biological functions, including the transcriptional and translational regulation of certain protein-coding sequences. esearchers also belive that other noncoding sequences have a likely, but unconfirmed function, as an inference from high levels of inherited tratis and natural selection processes (Masters, 2005, 163-5).

esearchers know that the amount of genomic DNA varies widely between organisms, as does the proportion of coding and non-coding DNA within these genomes. For instance, 98% of the human…

The second session had camera instruction. The third session had each participant given a camera and they were instructed to "(t)ake pictures of the challenges and solution in addressing HIV and AIDS" (Mitchell et al., 2005). The fourth session saw the photos developed and asked small groups to compare and contrast their pictures by creating posters. The authors draw on previous research on photo-voice techniques, as well as memory and photography and self-representation through photography.

In the end, the authors' qualitative research concluded that although many projects use photography to give voice to participants, it is especially significant in the giving a voice to community health workers and teachers in rural South African communities. In these remote areas, the communities do not have to wait for researchers to provide them answers, instead they are able to take action themselves and give a visible face to the HIV and AIDS plight…

Knowledge
Views on the Nature of Knowledge: Social Scientists vs. Natural Scientists

hat is knowledge? A simple question, or so most people would think. Knowledge is the accumulation of information on a given subject or subjects. It is a collection of facts, of things known to be true...or is it? The closer one looks, the more one comes to realize that there are many different approaches to obtaining knowledge, and many different definitions of precisely what constitutes knowledge. One's use of the term varies with one's own background and objectives. To some, knowledge is an absolute, to others; it is that which is gained through long hours of observation and long years of experience. The facts that make up what we call knowledge may be composed of absolutes, or they may be composed of many opinions, opinions that we believe to be most accurate or most correct. But what then…

This is unlikely to change short of an amazing new technological innovation that takes "natural" language capability and programming to a new level. Let us now compare how COOL meets the needs of organizations working in various industries. The next section will help clarify why COOL is in such demand among commercial enterprises worldwide.
Chapter 3 - COOL and Organizational Goals

This section analyses how COOL supports organizational goals. COOL supports organizational goals in many ways. It is an adept and multi-faceted programming language that provides organizations the ability to manage data in many departments. It is useful for financial analysis, for shipping and inventory maintenance, for the creation of reports and data management systems and for linking various units within the organization. Each of these key features is described in more detail below.

Decision support systems such as that COOL can help facilitate are critical for supporting all levels…

Pretraining: Before implementing the actual intervention method, the classroom teacher will conduct two 20 minute group instruction sessions designed how to teach the students to report their peers prosocial behaviors as well as general positive variables that have been observed on the part of their peers. Emphasis will be placed on the fact that all students of the class have to be involved. The teacher will allow the students to select their desired reward as long as this were feasible and practical and will ensure that unanimous approval and interest is evidenced in desired reward. A cumulative goal (e.g. 120 tootles) too will be unanimously decided on. The teacher will ascertain that all students understand the elements and conditions of 'tootling', that all agree to be involved, and that questions, if any, are satisfactorily addressed and answered. Students will be encouraged to provide examples of instances that can be mentioned…

The Modernization approach and industrial policy in the period of Park Chung-Hee were considered to be much influenced by the South Korean social learning and accepting of Japanese ideologies and institution. The colonial modernity, localization of division of labor, government assisted bilateral cooperation were considered detrimental to the strategic parameters of economic development and industrialization, modernization strategy and industrial policy replicated the emulation of Japanese ideologies and institution.
Most of the Koreans believe Japan to be a perennial evil. The colonial domination by Japan over the Korea have led to massive economic exploitation and also called upon the national dignity severely. However, ever since 1980 a revisionist thought was initiated to being formed around the concepts of the perspective of colonial continuity, the notion of horizontal division of labor, and the movement towards the export led growth. The influence of the ideology of 'Fokoku Kyohei' and the emerging Modernization strategy…

He looks at thee methods: histoy (melding infomation about the divese geogaphical oigins of algeba with the poblems themselves), multiple epesentations (using notation, naative, geometic, gaphical, and othe epesentations togethe to build undestanding), and the object concept of function (teaching functions without genealizing about how taits of an individual elate to taits of a goup). The aticle seves to offe some inventive solutions to a common poblem in math education: How to make mateial elevant and compelling to a beadth of students.
Matinez, a.A. (2010). Tiangle sacifice to the gods. 1-11.

The aticle looks at Pythagoas, paticulaly the mythology suounding his life and his most famous discovey, the Pythagoean theoem. It calls into question the histoical evidence on which mathematics teaches base thei teaching of this theoy. The autho points out how vey little is known about Pythagoas and how he has been canonized by the math discipline because his…

The basic materials might include tin cans, fragments of speech, a cough, canal boats chugging or natural snatches of Tibetan chant (all these are in a work called Etude Pathetique).
Musical instruments are not taboo: one piece used a flute that was both played and struck. Differences in balance or performance can also be used to extend the range of materials. All of this is very similar to the way that the sample integrated into popular music have included news actuality, political statements and fragments of other people's compositions." (2003) Nisbett additionally relates that the "preliminary concrete recording was described analytically in terms of a variety of sound qualities" as follows:

Instantaneous content - frequency spectrum or timbre (which might contain separate harmonics, bands of noise or a mixture of the two);

The melodic sequence of successive sound structure; and Its dynamics or envelope (the way sound intensity varies in…

Medieval Philosophy
In the introduction to the Greenwood series the Great Cultural Eras of the Western World, A.D. 500 to 1300, is described as the Middle Ages.

"Borders and peoples were never quiescent during these tumultuous times." Schulman (2002). Germanic tribes had invaded and settled in the former oman Empire, and the synthesis of three cultures -- the classical, Christian, and Germanic -- had begun. In the sixth century, Clovis had completed the Frankish conquest of Gaul; the Vandals controlled North Africa; the Visigoths, forced to retreat from southern Gaul by the Franks, continued to dominate Spain; and the Angles and Saxons had settled in Britain. At the same time, the emperors of the Eastern Empire, Constantinople, thrived. " ... The oman papacy began to play an independent role in European society." Schulman, (2002) says "Pepin needed papal support to become king. Schulman, (2002, p. viii) It is later commented…

Thou shalt keep them, 0 Lod, thou shalt peseve them fom this geneation foeve."
Conceptually, the poem has fou sepaate stanzas, each with the hyme scheme of ababcdc. It is stuctued in the fom of the Shakespeaean o Elizabethan sonnet. Vebal intoductions (e.g. Help, left, standeth, seeks, etc.) seve to move the poem in a melodious way. In fact, eading this poem one is almost caught with it as a semon o oation. Many of the wods have a hashe, o staccato-like timbe, a shap contast to the love sonnets of the ea (bitte, wicked, piece, fea, etc.). This shapness, combined with the oatoical style seves Bacon's pupose of slightly aguing, slightly full of angst, and slightly aogant -- towads God. This, too, echoes much of the Biblical Job.

The poem does not ead as if it was contived, testament to Bacon's clea genius with language as well as his…

Leahey's approach is similar to Robinson's in that it allows Freud to be part of a systematic line, but different in that Leahey sees the process as a combination of far more players.
3. Can you think of any other psychologist from 100 years ago who is still as well-known today? What do you think are some of the important contributions of Freud? Why do you think psychologists are not so impressed with these contributions?

Often, it seems as if it is pioneers who are well-remembered in the sciences, or at least those who engender radical or controversial theories. Freud, as founder of the psychoanalytic school and theories of the unconscious mind was, of course, thrown into popularity with his work on sexual desire as a primary motivator of humans. Since Victorian society was so repressed, Freud's ideas resonated more precisely because of that repression. Additionally, Freud was at the…

Instructors and students can post events in the online course calendar of all three applications. Instructors can post announcements and students have a personal homepage with personal records of their grades, email, and system-wide events using all three systems. Only Angel allows access to these systems through SS feeds. Angel and Blackboard allow students to create private as well as public content and to create a home page for each course. In terms of creating assessments, all applications allow for a wide variety of testing formats, from fill-in-the-blanks and multiple choice to essay questions. Only Blackboard and Moodle allows for calculated answers. Also, Moodle supports a MathML editor for the inclusion of mathematical formulas in both questions and answers in instructor-created examinations.

All systems allow for certain applications to make it easier for instructors to create course content, such as automatically adding assignments to the grading book when they are…

An artist writing is not new; in act, it is a way by which many artists demonstrate their arguments and they also reveal how an artist thinks about many things, his art included. Naturally, because of Matisse's fame, there would be much written about him and from the writings of his peer, we can see more of what was going on at the height of Matisse's career from those who experienced it. The result of such study is "striking" (5) as Benjamin puts it because it "shows that we cannot, from a similarity of professed theories, infer a similarity in styles of painting"(5). e must instead focus on what the artist produced and weight it against his thoughts.

Matisse studied at the Academy Carriere, who was "interested in the question of art education" (70). His schools floundered a bit in that they were closed and suffered from mixed reviews. hen…

Considering this belief into account for the discussion of math and poetry, through the general observation and understanding, it is observed that math and poetry constitute the form of art also. The other instance of symmetry in math is proof. Math looks for an elegant proof above one which established the identical outcome through contradiction or examination of a lot of cases. The same thing is applicable in case of poetry. In case one is desirous of having a good poem, it is important that one must develop a style and follow the particular style across. Poetry as well as maths is two very distinct themes, nevertheless the same are found to be similar in formation and structure. Understanding math as a poem solves a lot of problem. When math is looked as a poem, it is observed that calculating is the same as a finding a pattern in the…

Sensory experiences are nor reliable for making any statements, since people often mistake one thing for another. (Descartes talks about mirages). Knowledge based on reasoning is not always trustworthy, because people often make mistakes. (adding numbers is a classical example). Finally, knowledge is deemed by Descartes to be illusory, since it may come from dreams or insanity or from demons able to deceive men by making them believe that they are experiencing the real world, when are they are in fact not doing so. (the metaphysical approach in Descartes work is can be easily recognized here).
Following this analysis of existent forms of knowledge, Descartes concludes that certainty can be found in his intuition that, even if deceived, if he thinks he must exist: "Cogito ergo sum." The thought ("cogito") is a self-evident truth that gives certain knowledge of a particular thing's existence, i.e. one's self, but only the existence…

eligion and Politics
Uses and Abuses of the Concept of Orientalism

There have been many uses and abuses in regard to the cultural and social concept called Orientalism. "Unlike the Americans, the French and British -- less so the Germans, ussians, Spanish, Portuguese, Italians, and Swiss -- have had a long tradition of what I shall be calling Orientalism, a way of coming to terms with the Orient that is based on the Orient's special place in European Western Experience. The Orient is not only adjacent to Europe; it is also the place of Europe's greatest and richest and oldest colonies, the source of its civilizations and languages, its cultural contestant, and one of its deepest and most recurring images of the other. In addition, the Orient has helped to define Europe (or the West) as its contrasting image, idea, personality, and experience. Yet none of this Orient is merely…

Agricultural Innovations
The Middle ages were quite fruitful in inventing a number of discoveries that include the invention of the wheels, the invention of the plow, the harnessing the power of animals to pull wagons and plows and make their use for transportation, using the power of wind for sailboats, and the invention of writing and calendar (Ashcroft et al., 1989). These innovations collectively transformed the conditions of life for societies in the middle ages. These innovations had great effect in increasing the wealth of the population and developing complex social organizations. Although all of the innovations mentioned above were important, the plow was considered as the greatest potential for transforming social and cultural change (Duerr et al., 1985). It made the use of the permanent cultivation possible in a greater variety of soils, and thereby led to the widespread replacement of horticulture by agriculture. It also facilitated the harnessing…

Snelling, Anastasia M.; Casey Korba; & Alyvia Burkey. (2007). The National School Lunch and competitive food offerings and purchasing behaviors of high school students. Journal of School Health, 77 (10): 701-705.
Obesity is one of the most serious complaints facing American schoolchildren today. Precisely how to treat this concern remains a point of contention amongst our nation's politicians, educators, and nutritionists. Students eat a large proportion of their calories in school. Given the importance of the school lunch program in providing food for the nation's poorest children (the subsidized National School Lunch program serves over 28 million schoolchildren a day) and the role of schools in shaping students' diets, the potential of cafeteria dining to affect students' current and future purchasing patterns is important. Current evidence suggests that student's choices today are poorer than they were years ago, before obesity rates began to climb. The authors of the study "The…

As cellular phone usage has increased the emergency response systems in rural areas has found itself being jammed with over use while the traditional wired trunk lines go unused. Unfortunately, balancing the cost of adding new wireless trunks line in order to meet the new demand has to be balanced against the cost of maintaining the old wired trunk lines. Due to the fact that cell phone coverage is not universally available in rural areas, traditional wired phone access is still needed so rural areas must still adequately meet the needs of both technologies, the old and the new. (Kurtis)
The new E-911 system is an enhanced version of the old 911 system. The advance of wireless technology has allowed the transmission of more information in a much more efficient manner. Under the E-911 system, the 911 operator can easily identify the telephone number of the person calling and any…

Glossary

Emotional regulation -- the ability to control one's emotions so that they are within the "average" for the population surrounding them

In-utero- while the child is developing in the woman's uterus

Schizophrenia -- a serious mental illness affecting the person's perceptions of the world around them

Stimuli -- an input from a person's environment, something that the person experiences

eferences

Braungart-ieker, J., Hill-Soderlund, a. & Karrass, J. (2010). Fear and Anger eactivity Trajectories From 4 to 16 Months: The oles of Temperament, egulation, and Maternal Sensitivity. Developmental Psychology. 46 (4), 791-804.

Corapci, F., Calatroni, a. & Kaciroti, N. et al. (2009). Longitudinal Evaluation of Externalizing and Internalizing Behavior Problems Following Iron Deficiency in Infancy. Journal of Pediatric Psychology. etrieved November 29, 2010 from http://jpepsy.oxfordjournals.org/content/early/2009/09/07/jpepsy.jsp065.full.pdf+html

DiGirolamo, a. & amirez-Zea, M. (2009). ole of zinc in maternal and child mental health. American Journal of Clinical Nutrition. 89 (30), 940S-945S.

Lozoff, B.,…

Women who see their physician two times a year for refills would see an individual cost savings of $85 per year for a total cost savings of $307 million for the population. In addition, approximately 2.1 million women would eliminate their annual gynecological visits altogether for an individual cost savings of $85 per year and a total cost savings of $178.54 million (Louis Harris and Associates 1993). Overall, the savings to women who either stop seeing their physician annually or reduce their visits to once a year would equal about $695.3 million.
Assuming the average wage rate is $12/hour and the average amount of time spent at the doctor's office is 11/2 hours (including travel time), women who currently see their physician four times a year for Oral Contraception refills would save 4.5 hours per year or$54 for a total opportunity cost savings of $44.4 million for the population. Five…

Kogan et al. (2009) report that the increasing prevalence of autistic spectrum disorders (ASDs) makes the identification of these disorders a public health priority. Many of the studies of the prevalence of ASD are taken from clinical data; the researchers believe that this data inaccurate. The researchers review all of the current research used to determine the prevalence of ASD and point out several flaws in each of these studies. In order to get an accurate point prevalence measurement the researchers used the National Survey of Children's Health (N = 78, 037) that utilizes parental reports of children aged three to seventeen years old to determine the prevalence of ASD. The study would help identify demographic variables associated with ASDs.
The researchers considered a child in the study to have ASD if a physician had told their parents at one time or another that the child had an ASD diagnosis.…