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4,589 Essays on Science. Documents 2,971 - 3,000

  • Panspermia

    Panspermia

    The origins of the universe and life itself are a mystery that humans are constantly contemplating and debating. Many explanations, including creationism and mere coincidence, have been offered to explain how or why the universe and life were created, but the idea that Earth was seeded from space seems a more probable mix of many probable theories. Panspermia, first mentioned in 5th century BCE by Greek philosopher Anaxagoras, and meaning “seeds everywhere” (Crick, 1982), is

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    Essay Length: 1,552 Words / 7 Pages
    Submitted: February 28, 2010 By: Tasha
  • Paolo Soleri

    Paolo Soleri

    In 1946 Soleri was awarded his "laurea" (M.Sc. degree) with highest honors in architecture from the Politecnico di Torino. He visited the United States in 1947 and spent a year and a half being partners with Frank Lloyd Wright at Taliesin West in Arizona, and at Taliesin in Spring Green in Wisconsin. During this time he gained international recognition for a bridge design displayed at the Museum of Modern Art. In 1950 Soleri returned to

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    Essay Length: 306 Words / 2 Pages
    Submitted: March 22, 2010 By: Edward
  • Paper

    Paper

    Personality is what defines a person. If a person's personality is known then that explains the person's actions. Human beings have different personalities. I believe that everyone is born with their own unique personality. Look at the attached twins Chang and Eng in our weekly reading, they were joined twins but each man led a different lifestyle (Friedman & Schustack, 2009). There are several personality features that could define my personality. I am strong willed

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    Essay Length: 736 Words / 3 Pages
    Submitted: April 22, 2011 By: mommathree
  • Paper Airplanes

    Paper Airplanes

    The idea of flight can best be described as no less than a phenomenon. Throughout history, crude designs and even attempts were put forth to bring human closer to the sun. Eventually this dream was realized in the early twentieth century. In the 1500's Leonardo da Vinci studied birds and their flight in order to design a way to enable humans to fly. In nineteenth century England, Cayley makes the first practical attempts to fly

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    Essay Length: 524 Words / 3 Pages
    Submitted: April 8, 2010 By: Jack
  • Paper Manufacturing

    Paper Manufacturing

    Everywhere around us we see paper, it can take several forms, wether we are talking about writing paper, reading paper, store receipts, toilet paper, paper bags... the list runs very long actually. However, have we ever took a minute to ponder upon the source of paper? Where does it come from? What recources were used to come up with this product? Who was invloved in this process and what are their living conditions like? Manufacturing

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    Essay Length: 1,315 Words / 6 Pages
    Submitted: November 14, 2009 By: Mike
  • Paradox of the Republic

    Paradox of the Republic

    Paradoxes are ideas that seem to be in opposition to one another but are mutually needed to function. In Plato’s Republic he discusses several paradoxes. While reading The Republic we can see which side of these paradoxes Plato favors. We find which side he feels should be stressed so that we may live in a reasonable and safe society and be better human beings. There are three categories in which these paradoxes have been divided

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    Essay Length: 2,769 Words / 12 Pages
    Submitted: January 29, 2010 By: Max
  • Parapsychology

    Parapsychology

    Parapsychology is the study of alleged evidence for psychological phenomena that are inexplicable by science. The term parapsychology was made by a psychologist in 1889 when he wrote the article “Die Parapsychology. The field is broken in to three categories: telepathy, clairvoyance, precognition and telekinesis. Telepathy is the ability to communicate information across space by the power of the mind alone. Telekinesis is the ability to move objects and predictions of the future. Clairvoyance

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    Essay Length: 521 Words / 3 Pages
    Submitted: April 9, 2010 By: Tasha
  • Pardigms on the Existence of Life

    Pardigms on the Existence of Life

    Robert Donlan English Comp 1102 Dr. Takacs Paradigms on the Existence of Life A paradigm can be defined simply as a set of rules laid out to establish a basis for scientific studies. The idea of a paradigm is set in place only when the community accepts it as the paradigm. There are many paradigms in place. Take for instance the paradigm of gravity. An established paradigm could be defined that gravity always pulls toward

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    Essay Length: 1,290 Words / 6 Pages
    Submitted: January 2, 2010 By: Top
  • Parkinson Disease

    Parkinson Disease

    Parkinson's disease patients with dementia can lose their mental abilities at almost the same rate as people with Alzheimer's disease, say Norwegian researchers.Parkinson's disease belongs to a group of conditions called movement disorders. Symptoms of Parkinson's disease include tremors, rigidity, and imbalance. Symptoms vary from person to person, and not everyone is affected by all of the symptoms.Not all people with Parkinson's disease have dementia. However, dementia isn't unusual with Parkinson's disease, although it may

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    Essay Length: 430 Words / 2 Pages
    Submitted: May 7, 2010 By: Mike
  • Parkinsons Disease

    Parkinsons Disease

    I chose to research Parkinson’s Disease because my grandpa is affected by it. I was not really informed about this disease until I read into it during this assignment. Parkinson’s Disease is not commonly known about among the public but as more and more people become affected, education grows. Parkinson’s Disease is a disorder of the central nervous system. The disease is progressive, meaning that it gets worse as time goes on. People with Parkinson’s

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    Essay Length: 338 Words / 2 Pages
    Submitted: December 4, 2009 By: Jack
  • Parkinsons Disease Essay

    Parkinsons Disease Essay

    NEW ZEALAND By Andy Burford The country that I am doing for my report is New Zealand. New Zealand is made up of two Islands. The north and the south islands. It is located in the south pacific by Australia. The first people to settle New Zealand came over from east Polynesia by canoe during the 10th century. These people were called the Maori. According to a Maori legend, a man may have arrived

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    Essay Length: 772 Words / 4 Pages
    Submitted: November 15, 2009 By: Tommy
  • Parkinson’s Diease

    Parkinson’s Diease

    Introduction Parkinson’s disease is a disease that affects millions of people throughout the United States. It is a disorder of the central nervous system that impairs the motor functions, such as speech. This is due to a loss of dopamine-producing brain cells. Sufferer’s of Parkinson’s often show signs of muscle rigidity and tremors. Also, they demonstrate slow physical movement. Their are no blood tests that have been proven to help diagnose this disease, therefore it

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    Essay Length: 504 Words / 3 Pages
    Submitted: November 21, 2009 By: Max
  • Parkinson’s Disease

    Parkinson’s Disease

    Parkinson’s disease Just imagine: your muscles going stiff, tremors running through your limbs constantly and the inability to smile and laugh with your grandchildren. This torment is the everyday experiences of a Parkinson’s disease sufferer. Parkinson’s disease is a growing concern in our nation, and though we know what the symptoms are, we do not know for sure what causes it, or even how to cure it. Throughout this paper, the definition will be described

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    Essay Length: 1,055 Words / 5 Pages
    Submitted: December 8, 2009 By: Venidikt
  • Parkinson’s Disease Paper

    Parkinson’s Disease Paper

    Parkinson’s disease Paper One million Americans suffer from Parkinson’s disease. This disease is a movement disorder that continues and worsens over time. Parkinson’s is a disease that has not been found a good cause for. After 200 years of finding this disorder researchers know many symptoms comes from certain nerve cells in a area of the brain. It is a chronic, progressive neurodegenerative disease caused by a decrease in the production of dopamine in

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    Essay Length: 1,177 Words / 5 Pages
    Submitted: April 4, 2010 By: Max
  • Parkinson’s Disease: New Vitamin

    Parkinson’s Disease: New Vitamin

    Parkinson’s Disease: New Vitamin Parkinson’s Disease affects nearly four million people in the world, at this time there is no known cure for the disease. Researchers say Parkinson’s disease causes loss of muscle control and gradually worsens overtime. The disease attacks the mitochondria and kills off the nerve cells that produce dopamine. Without dopamine you would not have normal body movements. Thus, dopamine is essential when it comes to having normal control of your muscle

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    Essay Length: 535 Words / 3 Pages
    Submitted: January 28, 2010 By: Artur
  • Parts of Human Body

    Parts of Human Body

    Dictionary #4 Endocrine gland- The endocrine glands secrete there product and there hormones directly into the blood. They include the pancreas, ovaries and testis. Example: http://www.anselm.edu/homepage/jpitocch/genbio/endocrineglands.JPG Exocrine gland- The exocrine gland releases a secretion externally to/at the surface of an organ by a canal or a duct. Example: http://thumb101.shutterstock.com/display_pic_with_logo/244768/112395587/stock-vector-endocrine-glands-cells-112395587.jpg Steroid hormones- there steroids are put into 5 different groups called glucocorticoids, mineralocorticoids, androgens, estrogens, and progestogens. These steroids all attach to these groups being the

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    Essay Length: 381 Words / 2 Pages
    Submitted: December 13, 2015 By: johnmunroe2244
  • Pathology of Type 1 Diabetes

    Pathology of Type 1 Diabetes

    Discuss the current knowledge of the contribution of cellular and molecular components of the immune system to the pathology of type 1 diabetes. Abstract Type 1 diabetes (T1D) occurs when insulin-producing cells are attacked and killed by various immune mechanisms in the body. The pathology of type 1 diabetes is thought to be heavily T-cell mediated however in this essay the role of cytokines, B lymphocytes, macrophages and dendritic cells in the pathogenesis of type

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    Essay Length: 1,957 Words / 8 Pages
    Submitted: May 4, 2016 By: mishh21
  • Pathophysiology - Systemic Lupus Erythematosus

    Pathophysiology - Systemic Lupus Erythematosus

    Pathophysiology Systemic Lupus Erythematosus Dr. Roy, 11:30AM class Victoria Tito 1-1-2016 ________________ Contents Introduction Signs and Symptoms Causes Risk Factors Diagnostic Tests Treatment References ________________ Introduction The immune system is responsible for fighting off dangerous infections and bacteria in order to keep your body healthy. When healthy, it protects the body by making antibodies (blood proteins) that attack foreign germs and cancers. With lupus, the immune system misfires and instead of producing protective antibodies, an

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    Essay Length: 1,552 Words / 7 Pages
    Submitted: April 25, 2016 By: alateetz
  • Patient Case Study: Fluid & Electrolyte Imbalance

    Patient Case Study: Fluid & Electrolyte Imbalance

    Patient Case Study: Fluid & Electrolyte Imbalance This patient case study report will outline the contributing factors related to a fluid and electrolyte imbalance, whilst assessing the medical and nursing management for the patient. Furthermore, an evaluation of the implemented nursing and medical treatment will also be discussed in this report. Introduction: • Patient History: Mr. Richards presented to accident and emergency on the 7th October 2004, primarily due to the progressive deterioration of end

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    Essay Length: 4,235 Words / 17 Pages
    Submitted: November 20, 2009 By: Yan
  • Patient Education Project

    Patient Education Project

    Patient Education Project The digestive system is a very complex but efficient system that allows the intake and disposal of material that allows the body to perform routine daily activities. The digestive system allows the intake of food and water to be broken down to be used for energy. The digestive system is made up of the mouth, esophagus, stomach, small and large intestines, colon and the rectum. A Potential life-threatening disease of the digestive

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    Essay Length: 744 Words / 3 Pages
    Submitted: April 24, 2010 By: Mike
  • Pavllovian Response (humor)

    Pavllovian Response (humor)

    Have you ever wanted to make a dog salivate on command? No? Me either, but if you ever want to you can give your thanks to a man name Ivan Pavlov. Who is this deity of digestion? Ivan Pavlov has lived a very distinguished life and has even won a Nobel Prize for his work. Pavlov was born in a small village in Russia. Pavlov's dog was born a poor black child in eastern Moscow.

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    Essay Length: 700 Words / 3 Pages
    Submitted: January 23, 2010 By: Tasha
  • Peace like a River 000

    Peace like a River 000

    Leif Enger's remarkable novel Peace Like a River quietly slipped into bookstores in September. Like the smart kid who sits at the back of the class and seldom speaks, it was very nearly overlooked during the brawling Franzen-Oprah hoopla. However, Peace Like a River is a book worthy of the loudest trumpet fanfare and showers of confetti available. Put this one right to the head of the class. Enger takes the best of writers --

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    Essay Length: 1,148 Words / 5 Pages
    Submitted: December 30, 2009 By: Stenly
  • Peat Bogs

    Peat Bogs

    Peat Formation Peat is a partially decayed organic matter laid down in anaerobic, or lacking oxygen, conditions in wetlands. Peat forms when plant material, usually in marshy areas, is inhibited from decaying fully by acidic conditions. It is composed mainly of peat moss or sphagnum, but also includes trees, grasses, and other marshland vegetation. It also includes many other types of organic remains such as fungi, insects, pollen, and on occasion dead animals. Peat

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    Essay Length: 948 Words / 4 Pages
    Submitted: November 21, 2009 By: Top
  • Peat Land Communities

    Peat Land Communities

    The Peatland Communities Peatlands are wetland communities that form through the accumulation of partially decayed plant material, peat. Peat is the partially decomposed remains of dead plants and to some extent animals. The most common forms of peat are sphagnum mosses and sedges. Peatland communities develop where the amount of organic material exceeds the rate of decomposition. Topography, local climate and hydrology are important factors in the development of a peatland community. Peatlands can take

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    Essay Length: 257 Words / 2 Pages
    Submitted: March 16, 2010 By: Mike
  • Peer Pressure in Adolescent’s Eyes

    Peer Pressure in Adolescent’s Eyes

    Peer Pressure in Adolescent’s Eyes What is peer pressure? Peer pressure can be described as a positive or negative reaction that occurs when one is influenced by certain people (http://dictionary.com). Peer pressure is constantly surrounding individuals all the time. I believe friends, family members, and religious institutions have the strongest influence of peer pressure on society. When adolescents are faced with difficult decisions, they turn to those they can trust to help them make the

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    Essay Length: 559 Words / 3 Pages
    Submitted: February 13, 2010 By: Fatih
  • Pemphigus

    Pemphigus

    Pemphigus “Blistering skin”  Pemphigus involves blistering of the outer layer of the skin (epidermal) and mucous membrane. It’s an autoimmune disorder where the immune system produces antibodies against specific protein in the skin and mucous membrane (I.e. the body’s immune system mistakes the cells in the skin as foreign and attack them with antibodies). These antibodies produce a reaction that leads to a separation of epidermal cells. Pemphigus is a very rare disease an

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    Essay Length: 344 Words / 2 Pages
    Submitted: January 15, 2010 By: Top
  • Pendulum Investigation

    Pendulum Investigation

    Physics PENDULUM INVESTIGATION Aim of the investigation The aim of the pendulum investigation is to see what will happen if I change a variable whilst I swing a pendulum and see the effect which it has on the pendulums time to complete one whole swing (from where it starts, to the opposite end, and back again). This will give me an insight into what will effect the time of the swinging of the pendulum, be

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    Essay Length: 331 Words / 2 Pages
    Submitted: December 5, 2009 By: Edward
  • Pendulum Lab

    Pendulum Lab

    Pendulum Lab A pendulum is something hanging from a fixed point which, when force is applied, swings back, forth, up, and down due to gravity and inertia (Beynon 1). Pendulums can range in shape, size, and weight. An example of a pendulum can range from a swinging chandelier to a washer tied to some string and hung from the ceiling. Galileo was a famous scientist who studied pendulums. He discovered that the period, or time

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    Essay Length: 275 Words / 2 Pages
    Submitted: February 26, 2010 By: Venidikt
  • Penguin

    Penguin

    of several different aminoacylation identities may be used within any subfamily. These two familial sublocation preferences imply two modes by which new integration site usage evolves. The tmRNA gene has been adopted as an integration site in both modes, and its distinctive structure imposes some constraints on proposed evolutionary mechanisms. Genetic elements capable of horizontal transfer and integration into host chromosomes are key agents in the evolution of cellular genomes; bacterial pathogenicity in particular is

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    Essay Length: 250 Words / 1 Pages
    Submitted: May 28, 2010 By: Yan
  • Penguins

    Penguins

    Myopic little men in tuxedos, or highly efficient land/water animals? Recent research indicates there's more to penguins than meets the eye. If you've every wondered what it would be like to be able to see as clearly under water as you can on land, just ask the nearest penguin.Most aquatic animals are short-sighted on land. Most terrestrial animals (and that includes us) are far-sighted under water. But researchers have discovered that penguins can apparently

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    Essay Length: 361 Words / 2 Pages
    Submitted: February 13, 2010 By: Mike
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