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4,610 Essays on Science. Documents 2,341 - 2,370

  • Is the Brain a Computer

    Is the Brain a Computer

    INTRODUCTION “These days computer technology is advancing fast and computer developers are coming out with computers that imitate the brain every year. The more computer scientist study the brain to see if thought can be replicated in a machine, the more they get to know about the brain and the more the brain is understood as a mega computer. Before we can investigate whether or not our brain is a computer, it is necessary to

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    Essay Length: 1,072 Words / 5 Pages
    Submitted: March 5, 2010 By: Wendy
  • Is There Life on Mars?

    Is There Life on Mars?

    IS THERE LIFE ON MARS? If you have a chance to go to a country side where you may have a clear view of the sky at night, you probably will discover a red star. That is probably Mars. With its bright and reddish color, Mars stands out for and easily noticed since the ancient times (Discovery). In 1877, astronomer Giovanni Schiaparelli discovered several crisscrossing lines on Mars that he believed to be the

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    Essay Length: 2,328 Words / 10 Pages
    Submitted: February 9, 2010 By: Victor
  • Is Weed as Bad as They Say?

    Is Weed as Bad as They Say?

    Is Weed As Bad As They Say? Illegal drug use is a major problem in the world today. Millions of dollars are spent every year to prevent the distribution of drugs. All drugs is smuggled into the United States concealed in false compartments, fuel tanks, seats, tires of private and commercial vehicles, pickup trucks, vans, mobile homes, and horse trailers (Pierson. 12-8-01) Large shipments is usually smuggled in tractor-trailer trucks in false compartments and

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    Essay Length: 1,260 Words / 6 Pages
    Submitted: March 14, 2010 By: Mike
  • Is Xenotransplantation an Ethical Solution or Disaster?

    Is Xenotransplantation an Ethical Solution or Disaster?

    Is Xenotransplantation an ethical solution or disaster? The audience for this paper is comprised of those readers looking to gain knowledge on the issue of xenotransplantation. This group of people is unaware of the dynamics of the ethical arguments surrounding this current issue. This audience does not have a specific age or belief, reflecting the varied positions of the argument. Due to this hunger for factual information, they do not wish to have someone else’s

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    Essay Length: 1,937 Words / 8 Pages
    Submitted: December 24, 2009 By: Mike
  • Is Yawning Contagious

    Is Yawning Contagious

    Is Yawning Contagious? Yawning is contagious. You can "catch" a yawn. I had to stifle many yawns as I read and wrote about this phenomenon. Yawning is probably programmed into us as stated by Dr. William Broughton, director of the Sleep Disorders Center at the University of S. Alabama Knollwood Hospital. Yawning is not contagious from species to species. You will not see a baboon for instance yawn when he sees a human yawn. If

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    Essay Length: 509 Words / 3 Pages
    Submitted: May 14, 2010 By: Stenly
  • Isaac Newton

    Isaac Newton

    Isaac Newton Isaac Newton is one of the most influential scientists of all time. His advances in the study of physics, calculus, philosophy and astronomy are beyond any form of measurement. Newton’s ideas are constantly being used every single day. Newton’s concept of gravity and laws of motion are only a few ideas that individuals still use around the world. Newton’s genius can only be compared to few others in the world, making him one

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    Essay Length: 460 Words / 2 Pages
    Submitted: April 17, 2010 By: Jessica
  • Isolation & Identification of the Major Constituent of Clove Oil with Steam Distillation

    Isolation & Identification of the Major Constituent of Clove Oil with Steam Distillation

    Isolation & Identification of the Major Constituent of Clove Oil with Steam Distillation The purpose of this laboratory experiment was to isolate and characterize clove oil in order to understand how to isolate organic compounds with high boiling points, how to perform and interpret qualitative tests for organic compound functionality, and to continue to learn how to perform and interpret IR spectrometry. Steam distillation was used in order to prevent the organic compound from decomposing

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    Essay Length: 1,312 Words / 6 Pages
    Submitted: December 28, 2009 By: Top
  • Isolation and Purification of Cholesterol from Egg Yolk

    Isolation and Purification of Cholesterol from Egg Yolk

    The purpose of this experiment was to isolate and purify cholesterol from egg yolks. Two hard boiled egg yolks were twice extracted with diethyl ether and methanol, with the filtrate collected via vacuum filtration. Potassium hydroxide pellets were added to the filtrate, the ether was distilled off, and the mixture was saponified by reflux. The crude cholesterol was isolated through a series of ether extractions and aqueous washes; then the ether was dried with MgSO4

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    Essay Length: 281 Words / 2 Pages
    Submitted: November 16, 2009 By: Tasha
  • Isolation of the Active Ingredient in an Analgesic Drug

    Isolation of the Active Ingredient in an Analgesic Drug

    Isolation of the active ingredient in an Analgesic Drug from extraction, filtration and melting point. Chm237 Abstract: Acetaminaphen was crushed then extracted for the active ingredient by mixing it with methanol. Then separated from the binders by centrifugation and a filtration technique using a Pasteur pipet packed with alumina. The remaining solvent was then evaporated to yield the solid analgesic(.2295g, 45.9% yield) which was collected by filtration and tested for the purity of the drug

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    Essay Length: 773 Words / 4 Pages
    Submitted: March 4, 2010 By: Artur
  • Isopod Behavior

    Isopod Behavior

    Table to show the effect of humidity on the average movement of isopods Time/min (+/-0.5) Chamber with desiccant (dry) Chamber with wet towels (humid) 0 10 10 5 9 11 10 8 11 15 8 11 20 7 12 25 6 13 30 5 14 35 5 15 40 5 15 45 5 15 Table to show the effect on the average movement of isopods (control) Time/min (+/-0.5) Chamber with desiccant (dry) Chamber with wet

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    Essay Length: 302 Words / 2 Pages
    Submitted: May 25, 2015 By: qwertyuu
  • Isotopic Palaeodiet Studies of Ancient Egyptian Fauna and Humans

    Isotopic Palaeodiet Studies of Ancient Egyptian Fauna and Humans

    A REVIEW OF ALEXANDRA H. THOMPSON, MICHAEL RICHARDS, ANDREW SHORTLAND AND SONIA ZAKRZEWSKI’s “ISOTOPIC PALAEODIET STUDIES OF ANCIENT EGYPTIAN FAUNA AND HUMANS“ Joey Schwegel The Journal of Archaeological Science (March, 2005) presented the study conducted by Alexandra Thompson, Michael Richards, Andrew Shortland and Sonia Zakrewski titled “Isotopic palaeodiet studies of Ancient Egyptian fauna and humans”. The researchers noted in their introduction that “Egypt is one of the most intensively studied cultures in the world.”

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    Essay Length: 797 Words / 4 Pages
    Submitted: March 13, 2010 By: Janna
  • Issue of Hiv

    Issue of Hiv

    The issue of HIV/AIDS has been a developing problem since the early 1980's. It is an issue that has sparked fear in everyone, but everybody has narrowed it down to certain people that can get AIDS. The regular AIDS victim is not an regular drug user or a practicing homosexual; it is anyone, anyone who has unprotected sex, anyone who has had a blood transfusion in the past twenty years, or anyone who was

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    Essay Length: 910 Words / 4 Pages
    Submitted: March 7, 2010 By: Mike
  • Issue on Ozone Depletion

    Issue on Ozone Depletion

    Ozone Depletion The ozone layer is a layer in the stratosphere, which is about 15 and 30 kilometers in altitude, containing a relatively high concentration of ozone. The upper portion of the earth’s atmosphere is called upper-level ozone. This layer of the atmosphere, extending from about twelve to twenty four miles above the planets surface, and is known as the stratosphere. The ozone layer protects the Earth by absorbing some wavelengths of solar ultraviolet radiation

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    Essay Length: 681 Words / 3 Pages
    Submitted: November 14, 2009 By: Anna
  • It Application in Health Care

    It Application in Health Care

    Introduction: After surfing for hours online, I have come across several interesting literatures that deal with the four core IT applications. I was overwhelmed by so much information that I couldn’t even decide which literature to choose. But alas, I have come across a litereature entitled Patient Safety: The Role of Information Technology . I was quite exstatic after I read this article because this is one of the project my organization is trying to

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    Essay Length: 284 Words / 2 Pages
    Submitted: November 9, 2009 By: Stenly
  • It in Healthcare

    It in Healthcare

    Since taking this class on Health Care Informatics, I have learned quite a great deal about how IT (Information Technology) is being used and how IT is helping the healthcare industry improve its services and patients safety. After receiving the assignment on the Current Technology in Organization, I promptly scheduled an interview with one of my friends that work both as a programmer and a technician in the IT department of our organization. As per

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    Essay Length: 1,212 Words / 5 Pages
    Submitted: March 7, 2010 By: July
  • Italy

    Italy

    Italy is slightly cooler in the summer than the rest of the country. However, it is much cooler in winter. The lowest annual amount of rain fall on record in Italy is 18 in. The highest annual amount of rain fall on record is 60 in. Italians pride themselves on their wonderful cooking. For example Naples is known for plain pizza crust and stuffed peppers. Genoa is known for gnocchi al pesto (tiny dumplings with

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    Essay Length: 613 Words / 3 Pages
    Submitted: February 6, 2010 By: Yan
  • Izzat

    Izzat

    Winglets are one of the most successful examples of a NASA aeronautical innovation being utilized around the world on all types of aircraft. Winglets are vertical extensions of wingtips that improve an aircraft's fuel efficiency and cruising range. Designed as small airfoils, winglets reduce the aerodynamic drag associated with vortices that develop at the wingtips as the airplane moves through the air. By reducing wingtip drag, fuel consumption goes down and range is extended. 2

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    Essay Length: 523 Words / 3 Pages
    Submitted: May 11, 2011 By: eezat15
  • I’m a Libertarian

    I’m a Libertarian

    The best way to summarize my political views would to say I am libertarian. I believe in the rights on an individual and that they have a personal responsibility for their own well being. I believe in free-market economy of abundance and prosperity. Like other libertarians, I want a foreign policy of non-intervention, peace, and free trade. A single leader should not govern a whole nation which is full of different views. The government should

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    Essay Length: 1,166 Words / 5 Pages
    Submitted: March 24, 2010 By: Mike
  • Jack Hall

    Jack Hall

    Jack Hall is een klimatoloog die tijdens een lezing zijn bezorgdheid uitspreekt over een dreigende verandering van klimaat. Hij doelt hiermee niet op een geleidelijke verandering, maar een zeer drastische. In de geschiedenis is zo'n wijziging ййn keer eerder voorgekomen en dat had toen een ijstijd tot gevolg. Er is maar ййn aanwezige die hem serieus neemt en dat is Terry Raspon. Rapson is ook veel met het klimaat bezig en heeft ook diverse artikelen

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    Essay Length: 286 Words / 2 Pages
    Submitted: May 16, 2010 By: Stenly
  • Jacobs Syndrome

    Jacobs Syndrome

    Jacob’s syndrome 2 Anatomy and Physiology: Jacob’s syndrome Over the past 40 years people have been aware of Jacobs’s syndrome, a rare chromosomal genetic syndrome which occurs when a male receives an extra Y chromosome, resulting in a sequence in XYY. Males normally have XY and females normally have XX sequencing 1. Chromosomes store genetic information in all human beings. There are 23 pairs of chromosomes and 46 in total. On the 23rd pair holds

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    Essay Length: 776 Words / 4 Pages
    Submitted: February 10, 2010 By: regina
  • Jadied

    Jadied

    Chapter 11 The Skeptic: David Hume 3. What is Locke’s “Egocentric Predicament?” The Egocentric Predicament is a problem associated with our ideas and how we perceive the world. Locke believes all knowledge come from personal ideas; these ideas are based upon our perception of the world. However, if we only see the world based on our own ideas how can there be any external or objective world. This begs questions similar to; can I really

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    Essay Length: 478 Words / 2 Pages
    Submitted: March 31, 2010 By: Janna
  • James Parkinson

    James Parkinson

    James Parkinson first discovered Parkinson's Disease in 1817. Parkinson's Disease is a common neurologic disorder for the elderly. It is a disorder of the brain characterized by shaking and difficulty with walking, movement, and coordination. This disease is associated with damage to a part of the brain that controls muscle movement. Parkinson's Disease is a chronic illness that is still being extensively studied. Parkinson's Disease has caused problems for many people in this world and

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    Essay Length: 653 Words / 3 Pages
    Submitted: December 28, 2009 By: Mike
  • Japanese Cherry Trees

    Japanese Cherry Trees

    Cherry Blossoms The cherry blossoms are the unofficial flower of Japan. This is one celebration that has been apart of Japans culture for many years. There are many species of cherry blossoms that bloom in just a couple of days in spring. The citizens of Japan celebrate the bloom under trees during hanami, having parties. WHEN THEY BLOOM: The viewing of the blooming trees can be watched very easily. You can just sit under a

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    Essay Length: 1,338 Words / 6 Pages
    Submitted: December 18, 2009 By: Andrew
  • Japanese Diabetes

    Japanese Diabetes

    Health care issues are one of the most concerning issues among the various social and economic issues the world is facing today. There was a time when health care was not provided in a modern and organized form. Nonetheless, with the passage of time, not only the health problems increased but also the health care services developed and are provided under various private as well as local organizations. However, health issues vary from one country

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    Essay Length: 3,522 Words / 15 Pages
    Submitted: February 27, 2010 By: Steve
  • Jason's Journey - a Quest for Chemistry

    Jason's Journey - a Quest for Chemistry

    Jason’s Journey is a sci-fi short movie about a little boy named Jason who has a strange dream about his family visit to the beach. It begins with his family arriving to the beach searching for a spot to settle down. Jason and his sister began to fight over the water. They both are thirsty and are ready to enjoy their afternoon. Suddenly all of their belongings disappear and all they left with are

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    Essay Length: 722 Words / 3 Pages
    Submitted: June 9, 2010 By: Steve
  • Jazz

    Jazz

    music called Jazz was born sometime around 1895 in New Orleans. It combined elements of Ragtime, marching band music and Blues. What differentiated Jazz from these earlier styles was the widespread use of improvisation, often by more than one player at a time. Jazz represented a break from Western musical traditions, where the composer wrote a piece of music on paper and the musicians then tried their best to play exactly what was in the

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    Essay Length: 508 Words / 3 Pages
    Submitted: November 23, 2009 By: Fatih
  • Jean Piaget's Theory of Cognitive Development

    Jean Piaget's Theory of Cognitive Development

    Halfacre JEAN PIAGET'S THEORY OF COGNITIVE DEVELOPMENT Megan Halfacre Pensacola State College DEP 2004 – Human Growth and Development Jamie Russell, M.S. March 3, 2017 ________________ Jean Piaget, a Swiss clinical psychologist, known for his pioneering work in child development, is one of the most significant figures in the study of child development. He established his cognitive developmental theory based on the idea that children vigorously build knowledge as they discover and influence the world

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    Essay Length: 1,356 Words / 6 Pages
    Submitted: April 25, 2017 By: Megan Halfacre
  • Jeannie Brown and Invasive Group a Streptococcus

    Jeannie Brown and Invasive Group a Streptococcus

    our everyday lives bacteria is constantly surrounding us, some of the bacterium that we encounter are beneficial to us but then there are the ones that are severely detrimental to our health. The way that they effect a persons body can differ from person to person. Many of the “microscopic foes” are very resilient and have a very fast reproduction rate. Not only do they reproduce quickly they sometimes seem to outsmart our immune system

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    Essay Length: 1,271 Words / 6 Pages
    Submitted: June 4, 2010 By: Kevin
  • Jet Propulsion

    Jet Propulsion

    Jet Propulsion Propulsion is a word that is derived from two Latin words: pro meaning before or forwards and pellere meaning to drive. To push forward or drive an object forward is Propulsion. A propulsion system produces thrust to push an object forward. Newton’s third law is the basis of the generation of thrust on airplanes. The engine accelerates a gas, and the reaction to this acceleration produces a force on the engine. Different propulsion

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    Essay Length: 375 Words / 2 Pages
    Submitted: January 16, 2010 By: Andrew
  • Job Enrichment and Job Rotation

    Job Enrichment and Job Rotation

    There are several common approaches to make the work place better, but it?s all up to the employees to put in good quality day of work. There are these three ways to make the employees happier and that is job enlargement, job rotation, and job enrichment. They are different in some ways but alike in many. The first way is job enlargement. This way is to expand in several tasks than just to do one

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    Essay Length: 345 Words / 2 Pages
    Submitted: December 29, 2009 By: Jack
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