Thursday, December 18, 2014

Essay on Role of Doctor in Society

Doctor is a person who dedicates his knowledge and skills for the prevention and treatment of diseases, maintain and enhance human health.

Doctors were always in demand and appreciated by society. So many people are seeking a medical education, which is why competition in Medical Schools is very high, while studying medicine is not so easy, and the number of years required to become a fully trained doctor is more than in other professions. However, that does not stop modern students, and crowds of them again and again are trying to conquer the door of receiving commissions.

The doctor has traditionally enjoyed a special status in any society, and there are high ethical and legal requirements. It is believed that a "real" doctor should be a role model for the general public not only in the matters of health (do not smoke, do not drink alcoholic beverages, to keep an active life style, eat right), but also morality. It is believed that the doctor should be fully committed to Medicine, compassionate, humble, and sober in assessments of his needs, to exercise the force of spirit and determination in difficult life situations.

Monday, December 15, 2014

Essay on Evolution of Money

For starters, let's figure out, what is money? This is a special kind of commodity, which plays the role of a general equivalent, and has specific functions: means of payment, the accumulation, circulation, the measure of value.

Prerequisites for money were trade relationship between humans based on barter. At this point, people have started to realize the inconvenience associated with this system, it was expressed in the absence of a specific equivalent, which could be a fixed cost of goods allowing the deal between buyer and seller.

It is impossible to say exactly when the first money was used or officially adopted. One of the most ancient mentions about dates back for 4500 years and comes from a place located in the modern State of Iraq. It talks about the silver, as a due measure of payment. Money looked differently at different times.

Stone money, in the form of a disk, was used on the island of Yap (the Pacific Ocean) to pay for the litigation and the public expenditures. Among them were these giants up to 4 m in diameter.

Money-axes were used by native Americans in Mexico, they were kind of small axes made of copper. In addition to this money, the Indians also used cocoa beans for payment.

Ethiopian salt sticks from salt deposits were used as money until the 1920’s in Ethiopia.

Tuesday, December 2, 2014

Essay on Biological Cycles

Many natural biological processes are cycles; this means that different state of the body alternate with sufficiently clear frequency. The simple examples of quick cycles are breathing or heartbeating when the periods of muscle contraction are alternated with the periods of muscle relaxation. The other vital cycle, such as the alternation of wakefulness and sleeping, are the short-term periods with approximately 24 hours cycle. If a biological cycle is a tides dependent, they are called tidal, it has cycle of 12.4 or 24.8 hours longevity. The period of lunar biological cycles corresponds to the length of the lunar month.

Biological cycles are interesting because in many cases they are independent from ambient conditions. Such cycles are called endogenous, i.e., "coming from the inside": though usually they are correlated with the rhythmic changes in the external environment, such as the alternation of day and night, they cannot be considered as a direct response to these changes.

Wednesday, November 26, 2014

Essay on Stratosphere

The stratosphere (from LAT. Stratum: layer) is a layer of the atmosphere that is located at a height from 11 to 50 km. There is a little decrease of the temperature at the heights from 11 to 25 km (the lower part of the stratosphere) and an increase of it in the layer of 25-40 km from -56.5 to 0.8°C (the top layer of the stratosphere or the inversion field ). At the altitude of 40 km, the temperature value is about 273°K (almost 0° by Celsius), the temperature remains constant up to the height of about 55 km. This area of constant temperature is called the stratopause and is the boundary between the stratosphere and mesosphere. The density of air in the stratosphere is hundreds times less than at the sea level.

It is in the stratosphere, where the ozone layer is located (at the height from 15-20 km to 55-60 km) that specifies the upper limit of the life in the biosphere. Ozone (O3) is generated during photochemical reactions most intensely at the altitude of about 30 km. At the normal pressure, the total mass of O3 would be a layer with thickness of 1.7-4.0 mm, but that is enough to absorb ultraviolet radiation from the Sun harmful for the life form. Destruction of O3 occurs when it reacts with free radicals, NO, Halogen containing compounds (including freon).

In the stratosphere, most of the short-wave part of the ultraviolet radiation (180-200 nm) and short-wave energy transformation occurs. Under the influence of these rays, magnetic fields are changing and there is the molecule decay and ionization, de novo synthesis of gases and other chemical compounds. These processes can be observed in the form of Northern Lights and other glows.

Tuesday, November 18, 2014

Essay on Advantages of Living in a Big City

Despite the claims that living in a big city is much more expensive than in small towns or suburbs, the migration of the population from the sparsely populated towns to the metropolitan areas is growing. The massive exodus of the population to the large cities, which began back in over a hundred years ago, continues. This applies especially to young people. This trend may be due to the search for a better life. What are the advantages of living in a big city that attract people so much that they are ready to leave their home and enjoy the suspense and the frantic pace of life, the glittering lights of mega-cities?

Some people move to a big city for the sake of the benefits of modern civilization and the entertainment industry, like shows, entertainment centers and restaurants, which, it must be recognized, there are a lot in the major cities. However, some people are searching for more important cultural heritage.

For some it is an opportunity to leave their conservative families and to live full life and create something bigger that what they have seen before in their small town.

It is widely known that in big cities there are the best and most prestigious educational institutions. 

Many people come to the big city to enroll in College, where they will find a shelter, where they will be able to fully discover and realize their abilities, which is the most important thing is that they will be able to receive quality education that will give them better chances for the successful future.

It is much harder to find a high paying and interesting work in province than in the big city. The local population and entrepreneurs of the large cities are also see their benefits in this:  the employer has a choice to hire relatively cheap labor, in the person of "a guest workers" from less developed countries or smaller nearby settlements.

The main advantages of living in the big city are the opportunities and prospects the city offers to the newcomers. Still more wannabes from the province go to conquer New York, London, or Paris. They believe that it is in these cities, they will be able to fulfill their dreams, realize their potential, and achieve general acceptance or find a high-paying job they were dreaming of. It is not surprising that a huge amount of show-business stars, politicians, and artists are not natives of the big city and came from the province. However, let’s face it, the more the city, the more difficult to achieve some mind-blowing heights. Big cities can be conquered only by the most dedicated, talented, hard-working and strong personalities.

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Thursday, November 13, 2014

Essay on Role of Youth in National Development

Today the key role of youth and students in national development becomes more obvious.

We must regard every individual representative of young people as the real acting person of the social and innovative development of not only a certain region, hometown, or village, but also society and state on the whole. In fact, modern youth represent a generation on which depends the future of the country and which by definition advantageously differs from other groups of population by health, intellectual activity, and mobility level.

In the last decade a change in attitude toward young people is noticeable, it is increasingly often considered as an active participant of social transformations (actor), rather than just as a group, causing public anxiety and violating the generally accepted rules. It is happening partly due to the efforts by the nongovernment youth organizations all around the world (especially, the human rights movements) and to the change of social quality of the young generation, partly, because of the problem of the global aging of the planet population.

It is interesting to look at the going changes through the prism of the human potential development conception, introduced by the UN development program as the series of instrument analyzing the level of human development in countries and global regions. According to the data collected in 1999 and published in the last report on human resource development in 2001, the special attention in modern society is dedicated to the role of NT from the point of view of expansion of possibilities for the country population, presenting the range of various choices, available in everyday life.

Meaningfulness of the development from position of young people also does not cause doubts. It can even be seen in the circumstance that the report made a special accent regarding the young generation. The analysis of its values and priorities, socio-economic position, as well as the qualities of education and health allow better to foresee future progress trends. The questions of strategic importance is division of responsibility between generations, balance of roles, leadership and power, the responsibility by the youth for the development of new directions, for example, mastering highly technological industries.

The processes of globalization differently influenced the generations. Social time is perceived as broken on short segments (projects) requiring from a man, before all young, maximal mobilization of available resources and then rapid passing to new project. Middle and senior generations are forced to accept the new understanding of time. New reality of globalization does not give an opportunity to build plans on the distant future. Today's young people notedly differ from senior generations in their ability to adapt to any social changes.

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Saturday, November 8, 2014

Essay on Importance of Computer Education

Careful analysis of current tendencies in education shows that computer education is an important ingredient for success today. Computer education is an attribute, organically inherent to the civilized society, pursuing the satisfaction of its informative needs for seamless operation of its vital functions.

The importance of computer education is directly related to the development in the computing engineering, telecommunications, and artificial intelligence.

In the materials, published by the Center of informatics of UNESCO, dedicated to the system of advanced education, computer education is presently defined as fundamental discipline having three basic directions:
  • theoretical informatics;
  • technical informatics;
  • social informatics.
At the end of the ХХ of century, our society was often named informative, and changes in it were denoted as informative revolution. Due to fast development of computer technology, the things only yesterday we could not believe can exist, become reality: today, people all over the world have access to the most various information in any point of planet; they can share information with each other and even communicate in real-time mode.

There is an impression that to live means to have right information. However, to do this, you need to know the rules of navigation in this enormous ocean of information and to possess certain skills to be able to find exactly what you need. The level of computer skills in a modern man is determined by many by criteria: first of all by his ability to determine own need in information, then, ability to find a reliable source of the relevant information and to use, ability to effectively search, estimate, use the information and to create new.

Unfortunately, the level of computer education in most countries is equal subzero. From one side, it is explained by insufficient introduction of information technology in all spheres of our life, and from the other, by the absence of the system of training of literate consumers of information. The special anxiety is caused by this problem in regard to young generation.

For young people, computer education gives an access to information, and thus, to knowledge. It gives span-new opportunities for acquiring professional skills and for work. Therefore, the formation of informative culture in growing generations is a very important task. First of all for schools, which is often the first and only institution to teach the students some basic computer skills.

Today in connection with the accelerated processes of society informatization, the education system faces a new aim, which is to make a student a user, able to adequate estimate the requirements of modern informative society. Computer education is a new requirement for a successful person, who wants to always be in the front line of science and technology.

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