Science
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4,609 Essays on Science. Documents 4,111 - 4,140
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The Plate Tectonics Theory
For millions of years, tectonic plates have been determinate of changes in the physical face of the earth, and they continue to do so today. These massive plates move underneath the surfaces of the oceans and the continents, producing earthquakes, volcanoes and uplifts. This paper will discuss the composition, movement and history of tectonic plates, the theory of plate tectonics and its history, and tectonic plates affect the surface of the earth today and will
Rating:Essay Length: 1,519 Words / 7 PagesSubmitted: November 23, 2009 -
The Positives and Negatives on Dna Profiling
The Positives and Negatives on DNA Profiling DNA testing has many uses, both positive and negative, in our society. Genetic profiling has been beneficial in paternity suits and rape cases, where the father or the assailant could be identified. However, despite its growing number of utilizations, DNA profiling is extremely hazardous when results are inaccurate or used to discriminate. Many have benefited from the genetic engineering that has developed at a frightening rate in the
Rating:Essay Length: 1,064 Words / 5 PagesSubmitted: November 11, 2009 -
The Possibility of Human Cloning
Introduction The possibility of human cloning, raised when Scottish scientists at Roslin Institute created the much-celebrated sheep "Dolly" (Nature 385, 810-13, 1997), aroused worldwide interest and concern because of its scientific and ethical implications. The feat, cited by Science magazine as the breakthrough of 1997, also generated uncertainty over the meaning of "cloning" --an umbrella term traditionally used by scientists to describe different processes for duplicating biological material. What is cloning? Are there different types
Rating:Essay Length: 2,730 Words / 11 PagesSubmitted: March 22, 2010 -
The Postmodern Architecture
Chang The Postmodern Architecture Wan-Yun Chang COMPOSITION (2) Professor Aiden Yeh 23 April 2015 ________________ Outline THESIS: It is very difficult to give postmodern architecture a particular and precise definition, but its diversity is the core of this doctrine. 1. The introduction of postmodern architecture. 1. The background of postmodern architecture. 2. Less is bore. 3. The death of Modern architecture. 1. The six major tendencies of postmodern architecture recognized by Charles Jencks. 1. Historicism.
Rating:Essay Length: 1,682 Words / 7 PagesSubmitted: June 3, 2015 -
The Power of Talk: Who Gets Heard and Why
This article talks about differences in the way of communication, the differences of linguistic style between different cultures, different countries and between men and women, which is caused by many factors, such as cultures, childhood, and natural character, etc. In general, communication is not a simple thing, we can’t make sure in any cases, the people who talk to us understand what we actually mean if we said the same thing in the same way.
Rating:Essay Length: 335 Words / 2 PagesSubmitted: September 26, 2017 -
The Preparedness for Zika Virus Disease in New York City
The preparedness for Zika virus disease in New York City This article is about the preparedness for Zika virus disease in New York City. The results for Zika virus infection inflated gradually over the 4 month period from 29 cases in April to 317 cases in July. There is a total of 715 cases of laboratory-confirmed Zika virus disease had been identified on September 21, 2016. This speaks on behalf the highest number of reported
Rating:Essay Length: 446 Words / 2 PagesSubmitted: February 9, 2017 -
The Prevalence of Diabetes in Children
The Prevalence of Diabetes in Children Topic: Diabetes and Obesity in Children Audience: Parents of young children Purpose: Inform the reader of type 2 diabetes and it’s prevalence in children. Meet Tommy. He is the average American boy, just with a few extra pounds on him. Tommy’s hobbies include playing video games and eating unhealthy foods. His mom or he doesn’t know this yet, but he has type 2 diabetes. He is part of the
Rating:Essay Length: 1,584 Words / 7 PagesSubmitted: December 20, 2009 -
The Principal Cause of the Expansion of Presidential Powers in the 20th Century Has Been War and Diplomacy Rather Than Domestic Growth and Crisis."
"Although the thirteen American colonies were founded at different times by people with different motives and with different forms of colonial charters and political organizations, by the Revolution the colonies had become remarkably similar." Assess the validity of this statement. The thirteen original colonies were very different at the time of their foundings, and by the eve of the American Revolution they were still diversified politically, with governments ranging from monarchical to democratic, unique culturally
Rating:Essay Length: 257 Words / 2 PagesSubmitted: February 23, 2019 -
The Problem of Climate Change in Terms of Market Failures
Sometimes markets work well and sometimes they do not. In the case of climate change, they are failing. Considered economically, climate change can be understood as a form of market failure associated with greenhouse gas pollution because the climate change that follows imposes costs on all people, not just the polluters. These costs include damage to their health, insurance costs (to protect against increased flooding ) or the costs of �climate-proofing’ our homes as the
Rating:Essay Length: 319 Words / 2 PagesSubmitted: March 27, 2010 -
The Problem of Sustainability
In this chapter the author David Orr explains the causes of our unfortunate condition from the social confining situation to those that are inevitable part of human condition. As the author looks into the future three crises will be imminent: the food crisis as result of worldwide soil losses and rapidly expands of population, The cheap energy, the race between the fossil fuels and the solar energy, and the climate change. This has to do
Rating:Essay Length: 686 Words / 3 PagesSubmitted: May 3, 2010 -
The Process of Recycling
The Process Of Recycling Recycling was first thought of in 1776 during the war of Independence from England. Americans recycled scrap metals to help fight the war. But it wasn’t until 1895 when the first residential waste program in the U.S. was invented in New York. The chemistry behind recycling is the idea that “everything circulates”. For instance, if you saved a box of cereal and put it into your recycling bin, that box of
Rating:Essay Length: 474 Words / 2 PagesSubmitted: April 11, 2010 -
The Production and Recycling of Car Tyres
Natural rubber is most commonly obtained from the Hevea Braziliensis tree, from South America. The rubber is taken as latex, a colloidal dispersion of nanoscale rubber particles in water (1). In the early 1900s C.D. Harris showed that natural rubber consisted of repeating units, and it was later proven that the units were joined in long chains. Rubber can be made synthetically by joining isoprene units. Isoprene Poly(isoprene) (2-methylbuta-1,3-diene) Natural Rubber Fig. 1 The structure
Rating:Essay Length: 801 Words / 4 PagesSubmitted: November 22, 2009 -
The Promise of Human Cloning
The Promise of Human Cloning Cloning opens many doors of opportunities in the agricultural aspect of the United States of America. It has already been a major factor in saving the lives of many humans. I feel the society as a whole can not and should not degrade this scientifical finding. I feel that human cloning should not be done and that this subject raises too many ethical questions. I would like to focus on
Rating:Essay Length: 1,002 Words / 5 PagesSubmitted: March 18, 2010 -
The Pros and Cons of Genetic Engineering Research
The Pros and Cons of Genetic Engineering Research I. Introduction In the past three decades, scientists have learned how to mix and match characteristics among unrelated creatures by moving genes from one creature to another. This is called “genetic engineering.” Genetic Engineering is a test tube science and is prematurely applied in food production. There are estimates that food output must increase by 60 percent over the next 25 years to keep up with demand.
Rating:Essay Length: 1,446 Words / 6 PagesSubmitted: November 24, 2009 -
The Psychological and Physiciological Effects of Guilt
Abstract: Guilt has physiological and psychological effects. The psychological effects can include something bad, such as feelings of worthlessness or inferiority. Guilt can also serve in a positive way as a motivator. A person may suffer physiological effects such as insomnia and physical pain. Discussion: Guilt is feelings of culpability, especially for imagined offenses or from a sense of inadequacy. There are negative physiological effects caused by guilt. Guilt can make someone over responsible. They
Rating:Essay Length: 577 Words / 3 PagesSubmitted: June 11, 2010 -
The Pueblo Grande Museum
The Pueblo Grande Museum “I hereby certify that the contents contained within are my original work and have in no way been influenced by outside works other than my own personal research.” __________________________ The Pueblo Grande was thought to be created by the Hohokam Indian tribe about 1500 years ago. The Hohokam people were very resourceful people who creating villages which included mounds, simple structured buildings and canals. The Hohokam Indians were a sophisticated tribe;
Rating:Essay Length: 588 Words / 3 PagesSubmitted: November 17, 2009 -
The Quantitative Relationship Involving Concentrations of Reactants and Products at Equilibrium
Experiment 19b The Quantitative Relationship Involving Concentrations of Reactants and Products at Equilibrium Nicole LeBlanc Block A Miss Tomlinson March 13th, 2018 Objectives: 1. to prepare various dilutions of Fe3+ ion and to react them with SCN- 2. to measure the concentration of FeSCN2+ ion produced by means of a spectrophotometer 3. to use a spectrophotometer to discover a constant mathematical relationship among the concentrations of reactants and products at equilibrium Materials: Apparatus Reagents 5
Rating:Essay Length: 1,210 Words / 5 PagesSubmitted: June 22, 2018 -
The Rainforest
By destroying the rainforests, we are killing many endangered species of animal and plant life along with many of our natural resources. I will first brief you on the rainforest and how important it is to us. Then I will begin talking about the deforestation that is occurring this very second. The rainforest are lush woodlands with vegetation with high temperatures and lots of rain. It is home to two-thirds or all living species on
Rating:Essay Length: 1,176 Words / 5 PagesSubmitted: March 20, 2010 -
The Reason Why People Sing
Mantsios, GregoryWho will cry for the little child that cries cannot be heard? Who will cry for the little child that cries their self to sleep? Who will cry for the little child that faces darkness every day? Who will cry for the little child that is hidden deep in me?" - Antwone Fisher. That poem was written by a sailor named Antwone Fisher. He wrote that poem for his superior officer to describe his
Rating:Essay Length: 520 Words / 3 PagesSubmitted: May 7, 2011 -
The Relationship Between the Location-Identity Split and Interrupts with Arnot
The Relationship Between the Location-Identity Split and Interrupts with Arnot fuckyou fuccer Abstract Journaling file systems and forward-error correction, while important in theory, have not until recently been considered compelling. After years of practical research into superpages, we disprove the development of consistent hashing, which embodies the unfortunate principles of robotics [1]. In order to solve this challenge, we disprove not only that the well-known cacheable algorithm for the synthesis of IPv6 by Mark Gayson
Rating:Essay Length: 2,755 Words / 12 PagesSubmitted: September 28, 2014 -
The Relationship Involving Acceleration, Net Force, and Mass
The Relationship Involving Acceleration, Net Force, and Mass Giho Park Purpose The purpose of this lab investigation is to observe the relationship among the net force, mass, and acceleration of an object. Hypothesis/Prediction Part A If the net force increases with a constant mass, then the acceleration would increase, because the force would push the object to increase the velocity. Part B If the mass of the cart increases with a constant net force, then
Rating:Essay Length: 1,177 Words / 5 PagesSubmitted: December 29, 2009 -
The Reproductive System
Do you know how you were born? Do you know how you came to be? The reproductive system is the system that made that all possible. Without the reproductive system you wouldn’t have been born. In order to produce offspring, the male and female reproductive systems have to be different. Each system has different parts, problems and care. Each system have different purposes, the male reproductive system’s function is to produce sperm, while the female
Rating:Essay Length: 1,166 Words / 5 PagesSubmitted: November 16, 2009 -
The Respiratory System
The Respiratory System The Respiratory System is made up of the nose, pharynx, larynx, bronchi, and lungs. The respiratory system is the system of the body that deals with breathing. When we breathe, the body takes in the oxygen that it needs and removes the carbon dioxide that it doesn't need. Throughout the Respiratory System, enjoy beautiful forests, plains, and wonderful weather. Function: Provides gas exchange, intake of O2 for delivery to body cells and
Rating:Essay Length: 673 Words / 3 PagesSubmitted: December 27, 2009 -
The Respiratory System
Biology 12 THE RESPIRATORY SYSTEM ASSIGNMENT 1. Label the diagram of the respiratory system with the following structures: a. Larynx b. Pharynx c. Trachea d. Bronchus e. Bronchioles f. Alveoli g. Diaphragm h. Pleural membranes i. Lungs j. Thoracic Cavity 1. Ribs 2. Give the function and special structural characteristics of each part. 1. List 4 ways alveoli structure lends itself to their function? grape cluster- increase surface area for maximum diffusion thin walls- maximum
Rating:Essay Length: 1,224 Words / 5 PagesSubmitted: November 14, 2016 -
The Risks of Having an Amniocentesis
The risks of having an Amniocentesis Women around the world have used amniocentesis for over a hundred years (Woo, 2006). Along with the many benefits of amniocentesis, there are still many risks Involved with the procedure. The mother has to decide between knowing with certainty of her unborn child’s diagnosis versus the risk of permanent damage or even the death of her fetus. Amniocentesis negatively affects both the mother and the fetus. Amniocentesis is a
Rating:Essay Length: 1,171 Words / 5 PagesSubmitted: April 20, 2010 -
The Role of Diet in the Aetiology of Coronary Heart Disease
1.0 Summary The report to discusses the role of diet in the aetiology of Coronary Heart Disease (CHD) and critically assesses the measures the government has taken in trying to reduce death rates from CHD through dietary measures. Two of the health campaigns the government has been partially successful in are: • 5-a-day fruit and veg campaign • 6g of salt campaign There is a lot of information available from the government but some of
Rating:Essay Length: 3,090 Words / 13 PagesSubmitted: January 9, 2010 -
The Role of Fire Ecology in Plant Succession
Succession is defined as a directional change in community composition and structure over time (Gurevitch et al, 2002). Succession is either primary or secondary. In primary succession plants grow and colonize earth for the first time. In secondary succession plants inhabit and colonize earth that was once inhabited by plants life. A wildfire is one example of secondary succession. When a disturbance in the environment occurs, such as a wildfire, either part or all
Rating:Essay Length: 751 Words / 4 PagesSubmitted: December 6, 2009 -
The Role of Gaba and Nmda in the Epileptic Brain
Epilepsy is a disorder in which the balance between cerebral excitability and inhibition is tipped toward uncontrolled excitability. It is not a single disorder but rather, a wide spectrum of problems. All types of epilepsy share an uncontrolled electrical discharge from nerve cells in the cerebral cortex. This is the part of the brain that integrates higher mental function, general movement and functions of internal organs in the abdominal cavity, perception and behavioral reactions (Holmes,
Rating:Essay Length: 1,375 Words / 6 PagesSubmitted: November 11, 2009 -
The Role of Parliaments and Assemblies
Parliaments and assemblies share many key roles that they ought to carry out effectively and efficiently. Law-making is one of the primary roles which can branch off to three distinct bodies, the legislature, executives, and the judiciaries. The most significant role of parliaments and assemblies all over the world is however to represent the people. Nevertheless, it is very vital to remember that in parliamentary polity, the legislature has to provide from within itself
Rating:Essay Length: 1,768 Words / 8 PagesSubmitted: April 9, 2010 -
The Role of Phytochrome Put into Use by Seeds
Rowland Camden Rowland Bio 102 The Role of Phytochrome Put Into Use By Seeds March 24, 2016 Abstract: “A particularly important environmental cue is light, to which organisms respond in many different ways” ("LIGHT CONTROL OF PLANT DEVELOPMENT"). Phytochrome is used to help get a response by implementing red and far-red conversion method. Phytochrome was used in this experiment to get a response out of three different variety of lettuce seeds. The dark light played
Rating:Essay Length: 938 Words / 4 PagesSubmitted: September 5, 2016