Science
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4,610 Essays on Science. Documents 1,651 - 1,680
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Forensic Biology 1950 to Present
DNA typing, since it was introduced in the mid-1980s, has revolutionized forensic science and the ability of law enforcement to match perpetrators with crime scenes. Thousands of cases have been closed and innocent suspects freed with guilty ones punished because of the power of a silent biological witness at the crime scene. 'DNA fingerprinting' or DNA typing (profiling) as it is now known, was first described in 1985 by an English geneticist named Alec Jeffreys.
Rating:Essay Length: 783 Words / 4 PagesSubmitted: April 15, 2010 -
Forensic Odontology (simplified)
Forensic science is most simply defined as the science that is applied to the law. Criminal cases many times call for the examination of evidence that can tie a suspect or victim to a crime scene or to one another. These physical traces frequently include blood and other bodily fluids, hair, fibers, and even bite marks. Here we will focus our attention to the latter, as it applies to the field of forensic science referred
Rating:Essay Length: 396 Words / 2 PagesSubmitted: December 7, 2009 -
Forensic Pathology
Virtopsy; Advancements in Forensic Imaging Seth Dominique Jackson Community College Abstract Virtual autopsy is a rapidly advancing field in medical imaging. It can provide many improvements in the way we examine the deceased. Eventually it might completely take the place of tradional autopsies. It will change the fields of radiology and pathology forever. Advancements in Forensic Imaging Virtual autopsy is not something you would think of in the realm of medical imaging. The majority of
Rating:Essay Length: 1,103 Words / 5 PagesSubmitted: January 6, 2010 -
Forensic Pathology
Forensic pathology is a special area of pathology. The forensic pathologist does autopsies to find the cause death and in the mammer of which they died. These situations are labeled as homicides, accidents, and suicides.But sometimes there are suspicious deaths, sudden and unexpected deaths in children, prisoners,institutionalized people and situations where drugs or alcohol may have contributed to the death, Many people do not realize that about half of the deaths examined by the
Rating:Essay Length: 334 Words / 2 PagesSubmitted: February 11, 2010 -
Forensic Sciece - the Severed Hand
YSCN0017 - From Sherlock Holmes to Modern Forensic Science Items that need to be collected for examination are: Item Location 1. Amputated hand In plastic storage container held by Reagle 2. Plastic Storage Container In possession by Reagle at Duffy’s 3. Bottle of whisky (1) Adjacent to body’s left hip 4. 0.45 Caliber semi-automatic handgun Adjacent to body’s left ear 5. Clothing – yellow collared short sleeve knit shirt, blue denim jeans, white athletic shoes
Rating:Essay Length: 1,010 Words / 5 PagesSubmitted: February 4, 2010 -
Forensic Science
Forensic Science has contributed to our world a great deal. People often misunderstand Forensic Science and believe it is much more capable than it really is. As a matter of fact what you see on T.V. is around 80% false or over exaggerated in some way. To Start of, Criminal Investigation is the largest and most known form of Forensic Science. Some of the more known areas include; Fingerprinting, Ballistics, DNA Identification, Fiber Samples, Computer
Rating:Essay Length: 798 Words / 4 PagesSubmitted: February 24, 2010 -
Forensic Science
Stevens 1 Corey Stevens Language Arts Period 3-4 Ms. Truax March 28, 2005 Forensic Science Forensic scientists solve exiting and puzzling mysteries, which makes the unsolvable crimes solvable. Forensic science started in England in the 1780’s. Scientists use microscopes that can magnify things from 1,500 to 250,000 times! This enables them to contribute like none other to the capture of criminals. In order to become a forensic scientist, first you must become a scientist
Rating:Essay Length: 834 Words / 4 PagesSubmitted: March 18, 2010 -
Forensic Science Expert Job
Forensic Science can be defined as criminalistic science. In other words the scientific studies or investigation of crime can be termed as Forensic Science. Along with the development of science and technology the pattern of our society has also changed to cope with the day to day development. According the criminal also often uses different techniques for commission of various crimes within our society. So it has become a problem for the law enforcing agencies
Rating:Essay Length: 1,304 Words / 6 PagesSubmitted: November 15, 2009 -
Forensic Study of Induced Rape
One of the most important reasons for a jury to be presented in the courtroom is to judge the fate of his or her peer, the defendant. The jury has the demanding job of sorting out evidence, testimonies, and other presentations into categories of fact or fiction. Together, they unite to answer the question of why the defendant is in front of the judge in the first place, determining the validity of the evidence
Rating:Essay Length: 638 Words / 3 PagesSubmitted: December 28, 2009 -
Forensic, Alternate Light Sources
Alternate Light Sources Alternate light sources (also known as forensic lighting), or the application thereof, are used by many forensic scientists to identify of evidences normally invisible to the human eye. A forensic light source consists of a highly adaptable lamp, capable of separating light into various wavelengths, allowing it to direct individual bands of light, both visible and infrared at a targeted area to reveal any unseen markings. There are three distinct types of
Rating:Essay Length: 521 Words / 3 PagesSubmitted: November 29, 2009 -
Forensics - Short Tandem Repeat
Genotype Profiles for Six Population Groups at the 13 CODIS Short Tandem Repeat Core Loci and Other PCRBBased Loci Bruce Budowle Senior Level Scientist Tamyra R. Moretti Research Biologist Scientific Analysis Section Forensic Science Research Unit Federal Bureau of Investigation Quantico, VA Short tandem repeat (STR) loci are highly polymorphic polymerase chain reaction-based (PCR-based) genetic markers for characterizing biological material (1-4). In fact, 13 STR loci were selected for use in the Combined DNA Index
Rating:Essay Length: 519 Words / 3 PagesSubmitted: June 3, 2010 -
Forestry
Andre was born and raised in Montego Bay, Jamaica, where he lived for 11 years and did 7 years of schooling, which includes kindargarden and primary school. In 2004, he travelled to Shenzhen, China with his parents to learn Mandarin and he studied 6 years in Shenzhen. In 2010, he went to Hong Kong for his last two years of high school. Andre came to Canada from Hong Kong 2012 to pursue a diploma in
Rating:Essay Length: 371 Words / 2 PagesSubmitted: March 16, 2016 -
Form and Function Lab
Form and Function Purpose To examine a few (of many) types of animal tissues, specifically frog parts. Also to study the 4 types of tissues found in animals. Materials Procedure As outlined on lab Calculations High Power FOV= .4mm Frog Nerve 50 cells fit across diameter .4mm/50 x 1000 = 8 microns Frog Striated Muscle 25 cells fit across diameter .4mm/25 x 1000= 15 microns Frog Cleavage 45 cells fit across diameter .4mm/45 x 1000=
Rating:Essay Length: 580 Words / 3 PagesSubmitted: April 17, 2017 -
Formal Lab Gravitaional Acceleration
Lab #5: Gravitational Acceleration Preparation: In preparation for the first part of this lab involving the Atwood's machine our team started by discussing the effects of the masses on the results of the machine as requested in question 1 of the lab manual. We believe that if the two masses were equal there would be no motion of either of them when released. However we believed that if the two masses were not equal, the
Rating:Essay Length: 1,546 Words / 7 PagesSubmitted: December 2, 2009 -
Formation of Natural Arches of Arches National Park
If you have ever seen a Utah license plate then you know what Delicate Arch looks like. I have researched the arches in Arches National Park in Utah. This paper is designed to supply information on the geology behind the arches in Utah, specifically the area within Arches National Park. Provided first will be the geologic history of Utah and how the landscape has become the way it is. This will help explain the conditions
Rating:Essay Length: 1,888 Words / 8 PagesSubmitted: June 6, 2010 -
Formation of the Oceans
Surname Formation of the Oceans The origin of the ocean can be traced back to four billion years ago when the earth was formed through the accumulation of tiny objects known as the planetesimals (Delsemme, pp. 35). There are two possible sources that are believed to have led to the formation of the ocean. The first one is the extra planetary sources; it claims that the world’s oceans could have been formed through colliding with
Rating:Essay Length: 416 Words / 2 PagesSubmitted: February 22, 2017 -
Formation of Volcanic Islands
Formation of Volcanic Islands When people think of volcanoes, most would imagine a deadly explosion of liquid hot magma that ruthlessly obliterates anything in plain view. If volcanoes demolish everything in sight then how did life become what it is today? Volcanoes are not just a source of destruction and mayhem, long before civilization, while the earth was still being developed its apocalyptic surface consisted of nothing but molten rock and volcanic eruptions were a
Rating:Essay Length: 1,663 Words / 7 PagesSubmitted: May 12, 2010 -
Formula Rummy Lab
Formula Rummy Lab Setup: Students will be in groups of 4 to 6. Each group will have one deck of formula cards showing ions. Each student will have a copy of the scoring sheet. Objective: To create a procedure for playing formula rummy and to play it. (Hypothesis not required). YOU WILL BE GRADED ON THE PROCEDURE THAT YOU WRITE. Remember to use the scoring sheet you have been given, and to write it into
Rating:Essay Length: 273 Words / 2 PagesSubmitted: April 9, 2015 -
Fossil Fuels
Fossil fuels or mineral fuels are hydrocarbons found within the top layer of the earth’s crust. They range from very volatile materials with low carbon:hydrogen ratios like methane, to liquid petroleum to nonvolatile materials composed of almost pure carbon, like anthracite coal. It is generally accepted that they formed from the fossilized remains of dead plants and animals[1] by exposure to heat and pressure in the Earth's crust over hundreds of millions of years[2]. This
Rating:Essay Length: 1,881 Words / 8 PagesSubmitted: March 11, 2010 -
Foundation Proposal - Homeless Individuals in the United States
Foundation proposal Foundation Proposal: Debra Alvarado, Naida McDowell and Moenil Patel Simmons School of Nursing and Health Sciences ________________ Foundation Proposal: Homeless individuals in the United States (US) are high utilizers of emergency room (ER) services. Specifically, individuals that are suffering from substance and alcohol abuse, and psychiatric disorders who are difficult to main-stream into integrated healthcare system with assistance from social services interventions. This paper will outline a proposal to request funds from grantors
Rating:Essay Length: 885 Words / 4 PagesSubmitted: May 30, 2016 -
Founder Mutations
Scientific knowledge about founder mutations is becoming broader. While founder mutations set themselves apart from other mutations science is coming closer in being able to prevent and diagnose certain diseases caused by these mutations. In order to gain an understanding of founder mutations one must know how mutations develop. Changes that occur haphazardly to the DNA are known as mutations. Typically damage to the DNA is not passed down but is rather mended or eradicated
Rating:Essay Length: 873 Words / 4 PagesSubmitted: November 26, 2009 -
Four Source of Energy: Chemical, Solar, Mechanical, and Nuclear
Energy Four Source of Energy: Chemical, Solar, Mechanical, and Nuclear Energy is used in every aspect of our lives, from power for transportation, to heat and light in dwelling and working areas, to the manufacture of good of all kinds. The development of science and civilization is closely linked to the availability and development of energy in useful forms. In this paper I am going to show four extremely vital forms of energy that we
Rating:Essay Length: 1,163 Words / 5 PagesSubmitted: December 11, 2009 -
Fractals and Self Similarity
FRACTALS AND SELF SIMILARITY Contents 1. Introduction 2 2. Preliminaries 3 2.1. Sequences of Integers 3 2.2. Maps in Metric Spaces 4 2.3. Similitudes 4 2.4. Hausdor Metric 6 2.5. Measures 6 2.6. Hausdor Measure 7 2.7. Geometric Measure Theory 8 3. Invariant Sets 10 3.1. Elementary Proof of Existence and Uniqueness, and Discussion of Properties 10 3.2. Convergence in the Hausdor Metric 12 3.3. Examples 13 3.4. Remark 14 3.5. Parametrised Curves 14 4.
Rating:Essay Length: 11,967 Words / 48 PagesSubmitted: November 24, 2009 -
Fractional Distillation - Separation of Petroleum Hydrocarbons
INTRODUCTION: This experiment was designed to determine the value of the HETP (height equivalent to a theoretical plate) of the column needed based on the efficiency of the packing material. This experiment uses fractional distillation and gas chromatography to separate, purify and analysis the composition of the fractions of a mixture of two petroleum hydrocarbons, toluene & cyclohexane. The distillation separates by using the difference in boiling points of the two components of the mixture.
Rating:Essay Length: 730 Words / 3 PagesSubmitted: April 20, 2011 -
Fractional Distillation of Crude Oil Boiling Points and Structures of Hydrocarbons
Fractional Distillation of Crude Oil BOILING POINTS AND STRUCTURES OF HYDROCARBONS The boiling points of organic compounds can give important clues to other physical properties. A liquid boils when its vapor pressure is equal to the atmospheric pressure. Vapor pressure is determined by the kinetic energy of molecules. Kinetic energy is related to temperature and the mass and velocity of the molecules. When the temperature reaches the boiling point, the average kinetic energy of the
Rating:Essay Length: 581 Words / 3 PagesSubmitted: May 8, 2010 -
Fragile X Syndrome
In my quest to find a rare genetic disease in the wonderful land of www-dot-coms, a rather annoying popup protruded my view of the Google search. At first, what I thought I saw was a furniture advertisement. At second glance, it appeared to be some type of "Wanna see my web cam". But, just as I clicked on the small, conveniently placed "X" in the corner of the window, I saw them. The words "rare
Rating:Essay Length: 605 Words / 3 PagesSubmitted: November 11, 2009 -
Fragile X Syndrome
The chromosomes on a normal person are 23 pairs and the sex chromosomes. For males it is XY for sex chromosomes and females is XX. If a person has Fragile X Syndrome the X chromosome has a little bend on the end of the chromosome. In order for someone to get Fragile X Syndrome, one of their parents must either be a carrier or have the disease. It is more likely in males because they
Rating:Essay Length: 1,352 Words / 6 PagesSubmitted: December 15, 2009 -
Frame Relay
Frame Relay is a high-performance WAN protocol that operates at the physical and data link layers of the OSI reference model. Frame Relay originally was designed for use across Integrated Services Digital Network (ISDN) interfaces. Today, it is used over a variety of other network interfaces as well. This chapter focuses on Frame Relay’s specifications and applications in the context of WAN services. Frame Relay is an example of a packet-switched technology. Packet-switched networks enable
Rating:Essay Length: 272 Words / 2 PagesSubmitted: November 23, 2009 -
Freezing Points
Every pure substance has a characteristic temperature at which it melts. This property of individual melting points can be used by chemists to identify substances. Likewise, when a liquid pure substance cools, it freezes at a characteristic temperature. Freezing points can be therefore be used to differentiate between methanol and water; methanol freezes at -94°C, whereas water freezes at 0°C. In this experiment, the pure substance to be studied is paradichlorobenzene, one type of
Rating:Essay Length: 354 Words / 2 PagesSubmitted: January 17, 2017 -
Freidal Crafts Alkylation Reaction
Friedel Crafts Alkylation Reaction Introduction: In the experiment we will create 1,4-Di-t-Butyl-2,5-Dimethoxybenzene by performing a Friedel-Crafts reaction on 1,4-Dimethoxybenzene. In the reaction a t-butyl carbocation will be added on to the 1,4-Dimethoxybenzene. The t-butyl carbocation will be formed by a reaction of t-butyl alcohol with sulfuric acid. To perform the reaction we will create a mixture of the 1,4-Dimethoxybenzene, t-butyl alcohol with acetic acid. To this mixture we will add sulfuric acid dropwise through a
Rating:Essay Length: 412 Words / 2 PagesSubmitted: December 5, 2009