Science
The scientific world contains a wealth of knowledge that enables mankind to live the way it does. EssaysForStudent.com can help you close the gaps in your knowledge.
4,609 Essays on Science. Documents 3,151 - 3,180
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Political Science
1. What part of the U.S. Constitution creates the President? · Article II, Section I 2. What are the qualifications to become president of the U.S.? · Must be a natural born US citizen · Must be 35 years or older · Must have been resided in the US for at least 14 years 3. What are the president’s terms originally? · They are guaranteed a four year term 4. What part of the U.S.
Rating:Essay Length: 304 Words / 2 PagesSubmitted: January 8, 2010 -
Political View on Stem Cell Research and the Use of Umbilical Cord Stem Cells
Political View on Stem Cell Research and the Use of Umbilical Cord Stem Cells Background of the politics In the United States stem cell research has become a very heated topic over the past several years. It all began in 2001 when President Bush declared that scientists who receive federal research funds—by far the majority—could work only with a handful of stem cell lines. The White House said that more than 60 usable embryonic stem
Rating:Essay Length: 905 Words / 4 PagesSubmitted: March 6, 2010 -
Political View on Stem Cell Research and the Use of Umbilical Cord Stem Cells
Political View on Stem Cell Research and the Use of Umbilical Cord Stem Cells Background of the politics In the United States stem cell research has become a very heated topic over the past several years. It all began in 2001 when President Bush declared that scientists who receive federal research funds—by far the majority—could work only with a handful of stem cell lines. The White House said that more than 60 usable embryonic stem
Rating:Essay Length: 905 Words / 4 PagesSubmitted: April 19, 2010 -
Politics
1.)The four types of revelation are very different in the way that they are received. Some are seen from direct communication and some from other aspects like reading the bible. In some cases it can be many people and in some cases only one person will receive it. Revelation in some cases can be a sudden eye opening experience or a gradual change in views. One way they are related is that any revelation is
Rating:Essay Length: 892 Words / 4 PagesSubmitted: May 15, 2010 -
Polllution and Smog Checks
With air pollution so high, there is a lot of incentive to lower harmful emissions. We are looking at vehicle emissions and what the government is doing to help keep our air safe and clean. Since vehicle emissions are one of the top three contributors to climate change, this is a very beneficial part of governmental responsibilities. The government is doing a good job on smog checks, or I/M as they say in the other
Rating:Essay Length: 441 Words / 2 PagesSubmitted: December 6, 2009 -
Pollution and Its Effects Pollution
Pollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment, but damages us also. It has cause many problems ranging from lung cancer to the greenhouse effect. It is among us all, but we continue to live our lives in our own filth. What is the reason behind this flawed logic? In this paper
Rating:Essay Length: 1,018 Words / 5 PagesSubmitted: June 8, 2010 -
Polyamid
Polyamid (PA) Handelsnavn: Nylon Anvendelse: • Lejer, tandhjul, koblinger, wireruller, kabelbindere, elektronisk kabinetter, kontakter og relжer. • Amorf PA anvendes til vandstandsglas med mere hvor der bland andet шnskes hшj kemikalieresistens. • Emballagefilm, (barrieremateriale) • Gulvtжpper, bшrster og lign. • Beklжdning. Som tшjfibre, herunder forstжrkning af naturfibre. Polyamid er det syntetfiber som har stшrst slidstyrke. Slidstyrken og elasticiteten gшr polyamid unik som bindetrеd i garn som let brister. Polyamid шger bеde garnets styrke og elasticitet.
Rating:Essay Length: 783 Words / 4 PagesSubmitted: November 27, 2009 -
Polymerase Chain Reaction
PCR (Polymerase Chain Reaction) is the quick and easy method of making unlimited copies of any fragment of DNA. Since it’s first introduction ten years ago, PCR has very quickly become an essential tool for “improving human health and human life (TPCR)”. Medical research and clinical medicine are profiting from PCR mainly in two areas: detection of infectious disease organisms, and detection of variations and mutations in genes, especially human genes. Because PCR can amplify
Rating:Essay Length: 869 Words / 4 PagesSubmitted: February 24, 2010 -
Polymerase Chain Reaction Simulation
Title: Polymerase Chain Reaction Simulation Propose: The propose of this lab was to understand how by running a gel electrophoresis on a batch of DNA we are able to see how many approximately cycles it has gone through. Methods: Casting the Agarose Gel In this experiment .8% solution was used. By using a 250ml flask the buffer solution was prepared. Using the equation to make enough solution for the entire lab class the equation had
Rating:Essay Length: 718 Words / 3 PagesSubmitted: December 7, 2009 -
Polymers
Cornstarch is an example of a polymer. Polymers are long strains of molecules that keep repeating and have different properties of the original single molecule group. A single section of a polymer is called a monomer. It resembles the simplest form of the repeating portion of the entire polymer. These polymers may get stretched when you make a mixture such as cornstarch and water. This mixture behaves a certain way. There are many theories on
Rating:Essay Length: 542 Words / 3 PagesSubmitted: February 27, 2010 -
Polypharmancy
I polled 17 of 25 seniors who were visiting a local community center. The community center serves as a recreational facility for the elderly during the weekdays. Due to hippa and other confidentiality concerns I will not provide the name of the center or of the individuals I interviewed. Of the 17 interviewees eleven were female and six were male. The remaining eight either refused to be interviewed or was not capable of answering my
Rating:Essay Length: 899 Words / 4 PagesSubmitted: January 11, 2010 -
Popcatepetl
As you are traveling across the United States, you can see many landmarks created by volcanoes centuries ago. With the naked eyes, you can identify cone shaped volcanoes, but you can miss other volcanic landscapes. Some volcanoes build mountains, but only during their actives lives when volcanoes stop erupting they begin to wear down, or erode. Only portions of the original mountain remain. Other volcanoes don’t build mountains at all instead; their lava floods a
Rating:Essay Length: 725 Words / 3 PagesSubmitted: December 16, 2009 -
Pops Can Kill People
As a Parties of Stockholm Convention signed in May 2001, Governments are aware of the health concerns resulting from local exposure to persistent organic pollutants (POPs), in particular impacts upon women and through them, upon future generation. For the time being 12 substances are listed as POPs: aldrin, chlordane, DDT, dieldrin, dioxins, endrin, furans, hexachlorbenzene, heptachlor, mirex, PCBs and toxaphene. These substances possess toxic properties, resist degradation, bioaccumulate and are transported, through air, water and
Rating:Essay Length: 793 Words / 4 PagesSubmitted: December 1, 2009 -
Population
What is federalism? Refers to a political system in which there are local (territorial, regional, provincial, state, or municipal) unites of government as well as a national government. Examples of federal government: United States, Canada, Switzerland, India, Germany, and Australia. Compare and contrast: - unitary system - federal - conferral Unitary: power is centralized. All local government is subservient to the national government. State or regional government derives authority form central government. Local government can
Rating:Essay Length: 1,146 Words / 5 PagesSubmitted: May 12, 2010 -
Population Ecology
Population ecology is the branch of ecology that studies the structure and dynamics of populations. In population ecology a population is a group of individuals of the same species inhabiting the same area. In contrast to genetics, where the population is a group of interbreeding individuals of the same species, which is isolated from other groups and in human demography, the population is the set of humans in a given area. Population density is a
Rating:Essay Length: 665 Words / 3 PagesSubmitted: January 6, 2010 -
Population Growth
With the abandonment of a hunting-gathering way of life and the rise of permanent settlements and eventually cities, the human population has undergone dramatic growth. “It took until after 1800, virtually all of human history, for our population to reach 1 billion. Yet we reached 2 billion by 1930, and 3 billion in just 30 more years, in 1960” (Withgott & Brennan, 218). Today the world’s population has grown to an estimated 6.5 billion people.
Rating:Essay Length: 1,129 Words / 5 PagesSubmitted: March 22, 2010 -
Porcupine
The word porcupine comes from the Latin words “porcus spina,” meaning “pig spines”. The porcupine is a slow-moving, peaceful rodent. They are also vegetarians and mostly nocturnal. Their scientific name, Erethizon, means to "irritate with back." The Porcupine is the second largest of all rodents. It has a small head, large, chunky body with a high arching back and short legs. Its head and body are 25 to 40 inches long, with long, thick,
Rating:Essay Length: 441 Words / 2 PagesSubmitted: March 12, 2010 -
Pornography - Wright or Wrong
Pornography- WRIGHT or WRONG In the past, the Australian federal government has explored the issue of pornography and has attempted to find out if teenagers are damaged by it. This approach to pornography is based purely on a medical model of- can porn damage your health. In order to answer this controversial question, we resort to many standard methods of medical research. But how can this research see into the mind of a teenage boys
Rating:Essay Length: 638 Words / 3 PagesSubmitted: January 21, 2010 -
Porphyrin Synthesis
CHEM3412 Synthesis of a Porphyrin Porphyrins are hetereonuclear, macrocyclic compounds that play an important role in living organisms. Examples include the non-protein heme portion of hemoglobin in animals whereby the lone pairs on nitrogen can bind to the oxygen-carrying iron. In plants, chlorophyll uses the vast conjugation to allow absorption of light for photosynthesis. The characteristic colors of porphyrins is also due to the conjugation. An examination of the porphyrin structure reveals that individual pyrrole
Rating:Essay Length: 526 Words / 3 PagesSubmitted: December 30, 2009 -
Porphyritic Granite
Porphyritic granite Porphyritic granite is an igneous rock, which consists of orthoclase feldspar, quartz and orthoclase. This type of rock is made up of two different grain sizes, larger crystals referred to as phenocrysts, and smaller granite sized grains. The name for porophyritic originated from the Latin word porphyry which is defined as purple, and is known as a color royalty. This rock has been used as early as 18 AD and was discovered by
Rating:Essay Length: 262 Words / 2 PagesSubmitted: March 16, 2010 -
Portfolio
Welcome! You've just connected to a Portfolio Professional Nursing Web Site! -------------------------------------------------------------------------------- Part I of this portfolio is an illustration of a professional nursing practice model applied to ambulatory settings. Orem's Self-Care Model: A Professional Nursing Practice Model Person (client/patient) self-care deficits are the result of environmental situations. 3 systems exist within this professional nursing practice model Compensatory system-nurse provides total care Partially compensatory system-nurse & patient share responsibility for care Educative-development system-client has primary
Rating:Essay Length: 984 Words / 4 PagesSubmitted: November 11, 2009 -
Positive/negative Effects of Marijuana
Marijuana has many positive and negative effects on the body. Marijuana Myths have been harmful to society by attracting people to the drug. Myths about the marijuana not being harmful have caused people to use the dug without the effects on the body. Myths are generated by popular culture to give people false ideas about the drug (National Drug Conference 8-9). Marijuana can be historically linked to many countries. Marijuana was used for both religious
Rating:Essay Length: 655 Words / 3 PagesSubmitted: February 18, 2010 -
Positron Emission Tomography (pet Scan)
If your doctor ever refers you for a PET scan, you will be introduced to a fairly new medical imaging technique. Since this emerging modality is so new, a lot of the general public is not aware of what a PET scan exactly is. This essay will help explain the concept of this modality and the characteristics of it that allow doctors to diagnose and manage the proper care for some of today’s most devastating
Rating:Essay Length: 1,471 Words / 6 PagesSubmitted: November 19, 2009 -
Possibilities of Life on Io and Europa
Possibilities of Life on Io and Europa Jupiter’s moons have always been a slight mystery to the people of Earth; lately it has become an even bigger topic of interest. Ever since we sent a probe to Jupiter and it explored the moons, Io and Europa. Both of these moons have possible means for life. These two moons were discovered on January 10, 1610 by Galileo Galilei. One night when he was star gazing,
Rating:Essay Length: 1,085 Words / 5 PagesSubmitted: November 24, 2009 -
Post Partum Depression
Stacie Leech Health Per 4 Mrs. Vince February 17, 2006 Post Partum Depression Post partum depression is a mental disorder associated with the aftermath of pregnancy where in, a woman who has recently given birth feels a maternal instinct for her child but may be convinced that she does not posses the ability to be a good mother. This leads a mild to moderate depression, though it’s often curable or with good preparation, avoidable all
Rating:Essay Length: 297 Words / 2 PagesSubmitted: December 29, 2009 -
Post Roe Vs. Wade
Post Roe vs. Wade 1 Running head: POST ROE VS. WADE A Woman’s World: New Kinds Of Reproductive Health Services Post Roe vs. Wade 2 The first era of the women’s liberation movement in the 1960’s paid close attention to women’s rights to control their bodies along with abortion rights. Underground abortion clinics, particularly in Chicago, and other radical groups such as the Boston’s Women’s Health Collective began publishing missions and creating organizations such as
Rating:Essay Length: 1,277 Words / 6 PagesSubmitted: November 8, 2009 -
Post Traumatic Stress Disorder
The definition for Post Traumatic Stress Disorder given by the Webster’s New World College Dictionary is, “a condition characterized by recurring and, often, disabling symptoms of anxiety, depression, etc., that later affects some persons who have experienced a traumatic event or situation, especially combat.” PTSD was first named Post Traumatic Stress Syndrome after the war because symptoms did not seem to appear for years, even decades (Arpey). After the symptoms actually did start showing up
Rating:Essay Length: 1,014 Words / 5 PagesSubmitted: June 2, 2010 -
Postfledging Dependence Period of Migratory Golden Eagles in Denali National Park and Preserve, Alaska
McIntyre, C. L., and M. W. Collopy. 2006. Postfledging dependence period of migratory golden eagles (Aquila chrysaetos) in Denali National Park and Preserve, Alaska. Auk 123:877-884. An abstract is a stand alone paragraph that relays all of the critical information of a paper, including the objective, methods, results, and conclusion. By obtaining the abstract the reader can identify what are the main problems to be answered are, and what solutions were found through experimentation. People
Rating:Essay Length: 535 Words / 3 PagesSubmitted: January 18, 2010 -
Potato and Osmosis Investigation
Potato and Osmosis Investigation Planning Aim: To investigate the effect of varying concentration of a certain sugar solution on the amount of osmotic activity between the solution and a potato chip of a given size. Hypothesis: Osmosis is defined as the net movement of water or any other solutionЎ|s molecules from a region in which they are highly concentrated to a region in which they are less concentrated. This movement must take place across a
Rating:Essay Length: 2,889 Words / 12 PagesSubmitted: January 23, 2010 -
Potbellied Pigs in Domestication
Potbellied Pigs in Domestication Potbellied pigs are interesting animals that exists in the wild as well as in domestication. In the wild, they may form herds of considerable numbers, one herd keeping its distance from others. Herd members communicate with a variety of squeaks, grunts, gurgles and other sounds, including different “sneezes” and a noise made with their teeth. Due to the facts that pigs are intelligent and come from a social community, they also
Rating:Essay Length: 661 Words / 3 PagesSubmitted: November 16, 2009