Sciences Essay Examples and Topics. Page 23

4,745 samples

Coal Energy and Reserves in New Zealand

The main use of coal in New Zealand is in the production of electric energy. Timber production in the lumbering industry has also used coal as the chief source of energy.
  • Subjects: Geography
  • Pages: 7
  • Words: 1991

Antibiotic Resistance in Bacteria

With the help of a pipette, a measure of 100 L of E.coli culture was spread at the surface of plates of minimal medium agar.
  • Subjects: Biology
  • Pages: 3
  • Words: 1158

Darwin’s Ideas of Natural Selection and Evolution

The hierarchical classifications can also be applied to the tree, while phylum, classes, orders, and the other elements of the taxonomy are represented by various locations in the branches In addition to the described elements, [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 827

Induction Versus Deduction Reasoning

If the personal beliefs that the premises institutes the truth of the conclusion due to logic or some mathematical process, then the argument is deductive.adds "if the person believes that the premises shows the truth [...]
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 647

Musculoskeletal Bases of Human Movement

The arches of the foot are of particular importance by virtue of being tasked with the responsibility of allowing the foot to support the total weight of the body in an upright position with the [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1653

Estimation of Protein Concentration

In the determination of the concentration of proteins in different body tissues, we carried out various laboratory experiments; in which various body tissues were tested for protein content.
  • Subjects: Biology
  • Pages: 3
  • Words: 980

The Chemistry of Morphine

The method involves the extraction of the alkaloids from their combination with the Meconic acid in the opium poppy. And for continuous parenteral administration of morphine, the preferred route is subQ infusion.
  • Subjects: Chemistry
  • Pages: 7
  • Words: 2010

Statistics: Elements, Variables and Observations

Large values of the variance denote large dispersions, which implies the mean of the data set is not a good representation of the observed data. It also shows there is even dispersion from the mean [...]
  • Subjects: Statistics
  • Pages: 2
  • Words: 582

Chemistry of Morphine

He performed several experiments as a novice of pharmacist during his spare time and in the end was able to detach the active substance, organic alkaloid, from the gum produced by the opium poppy. This [...]
  • Subjects: Chemistry
  • Pages: 7
  • Words: 1980

Math: Factoring Using the P-1 Method

The p-1 method is used to factor primes for instance p & q such that n = p*q and avoid weaknesses in the implementation of the algorithm.
  • Subjects: Math
  • Pages: 2
  • Words: 940

Crocodile: Reptile Characteristic

In order to crash the prey, crocodiles have very sharp teeth and powerful muscles for holding the prey tightly within the jaws. The size of a crocodile depends on its ancient species.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1388

Evolution of Makkah as a City

The first pattern is a central business district, in this pattern the shape has been affected by the natural topography of the city of Makkah.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 1308

Resistant Bacteria Overview and Analysis

As the population of the world increases on a daily basis, it is becoming more and more important for researchers and other stake holders such as government bodies and members of the medical community to [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 566

Hazards that Remain after Industrial Sites Are Closed

It would be important in this report to analyze the chemical reaction nature of the wastes involved and expected effects to the environment keeping in mind the stream aquatic life and the human livelihood downstream.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1329

Privatization of Human Space Flight

The Commission studied the 9-year-old Constellation Program, the human spaceflight program within NASA and found it to be totally inadequate to render possible the realization of any goals of human space exploration. Consequently, the President [...]
  • Subjects: Space Studies
  • Pages: 2
  • Words: 568

Study-Work Conflict and the Risk of Burnout

Among the first of the core, findings is that being married or a single parent does not seem to raise the odds of work-study conflict though this conclusion may have been weakened by the fact [...]
  • Subjects: Scientific Method
  • Pages: 14
  • Words: 3139

Warm Water and the Characteristics of Plaster

The sample which implied using chilled water has shown the latest initial, and effect of retardation) and final set ). 015 for the warm water sample, and 0.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 385

Iran as the First Dictator Country

The three reasons that Iran has become the first dictator country in the world are the absence of basic freedom, censorship of the media, and women's rights.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 661

Shape Memory Alloys (SMAs)

The first mentioning of shape memory materials was with the discovery of martensite in 1890, which was the first step for phenomenal discovery of the shape memory effect.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1094

Albert Einstein: His Life and Impact on Science

No study of physics is complete without a reference to Albert Einstein and his general theory of relativity that revolutionized the notions of space and time and the fresh understanding of gravity.
  • Subjects: Physics
  • Pages: 3
  • Words: 831

Purchasing School Supplies for a Classroom

One alternative is a company that is offering a discount for every dollar amount spent on the purchase, while the other alternative is a company that is offering a discount for every dollar amount spent [...]
  • Subjects: Math
  • Pages: 4
  • Words: 1165

T Cells: Definition and Functions

The na ve T cells in the secondary lymphoid; when they encounter an antigen presented on MHC of dendritic cells, they differentiate and proliferate into effector T cells, CD8 or CD4 T cells depending on [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1002

Oral Microbial Flora: The Primary Research Requirement

The microbes that stick on the surface of the epithelial cells and the tooth do so with the aid of a biofilm. The pharmacist was the custodian of the information pertaining to the identity of [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2053

Human Evolution and Animal Extinction

The recent scholarly findings prove that invasions of Homo sapiens to the Austronesian and American continents were the major factors that conditioned the extinction of numerous animal species.
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 825

Biotechnology in Response to SARS

Some of those outstanding responses that attempt to define biotechnology include the application of integration of biology and technology, a promising field that deals with using organisms, and a field of science that uses biological [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1082

Application of Catalyst and Energy Production

This work entails developing a catalyst coupled with the construction of a good reformer in the field of catalysis. The catalyst is released at the end of the reaction and may be used again.
  • Subjects: Chemistry
  • Pages: 35
  • Words: 8961

Effects of the Interaction Genetic Diversity

This study though is trying to show the synergism between the UV-B and low genetic diversity as possible proof of the hypothesis that the UV-B could be the possible cause of declining amphibian populations.
  • Subjects: Genetics
  • Pages: 2
  • Words: 795

Microscopy and Cell Anatomy

A slide cover slip was placed on top and then the slide was observed under bright-field microscopy at the different magnifications of the microscope.
  • Subjects: Biology
  • Pages: 4
  • Words: 1257

Methodical Study Blueprint

Population attributes are computed as a study foundation in the group study design. Therefore, the cohort study design can be used to research the efficacy of infant immunization momentum in New York City.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 792

Carl Hempel and His Theory

In the analysis for the logical model, he takes a case why the priest is thought to cause childbed fever when he enters the sick person's ward with the bell rang or not rang, there [...]
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 616

Fuel Cell as an Alternative Energy Source

For the fuel cell to operate continuously the reactants must flow into the cell, and the products out of the cell and the electrolyte must remain within the cell.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1091

A High-Resolution Thin-Film Probe: Development and Application

Development and application of High-resolution thin-film magnetic field probe has been in the centre of research in the past few decades because of the major significant, that high-resolution thin field magnetic can contribute for debugging [...]
  • Subjects: Physics
  • Pages: 10
  • Words: 2943

Heterogeneous Catalytic Hydrogenation

This article gives a description of the value of different methods of asymmetric hydrogenation and summary of results achieved during the experiments and further perspectives in this sphere of study.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 907

“Why Study Photosynthesis?” by Devens Gust

By revealing the information about the details of photosynthesis, Gust encourages people to investigate and to develop the innovated techniques thus applying them to the problem solution in the different spheres of life.
  • Subjects: Biology
  • Pages: 2
  • Words: 565

Quantum Mechanics: Determinants

After discovering that matter is made of small particles, scientists got the interest to study the characteristics of these small particles relative to the huge bodies that they constitute. The measure of energy in particles [...]
  • Subjects: Physics
  • Pages: 4
  • Words: 1216

Evolution and Natural Selection

The major topic addressed by the article is the impact of natural selection, developmental process, and genetic makeup on the variations and existence of organic diversity. This will be useful in understanding the process of [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 602

Biological Effects of Laser

Laser is one of the latest technological innovations, which uses simulated light emissions for the illumination of tissues. This happens due to the fact that a laser beam can provide energy, which is essential in [...]
  • Subjects: Physics
  • Pages: 6
  • Words: 1955

The Evolution of Insect Wings

This theory states that wings developed from a section of the legs of wingless insects. According to Carpenter, wings developed from gills through the evolution of gene expression with similarities between winged and wingless insects.
  • Subjects: Biology
  • Pages: 10
  • Words: 2695

Sex Ratio Adjustment in Cooperative Breeders

The challenge that arises here is the understanding of how the selection is acting on the sex ratio of invertebrates. Other secondary sources of information that were used included the searching of the web and [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 831

Quantitative Acid-Base Titration Curve

For determining the mass of acetylsalicylic acid in 500 mg placebo and control the following calculations will be assumed to be done: Placebo 0.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 819

The Effect of Colonization and Dispossession

Warwick Anderson additionally states that the history of aboriginal health requires understanding of both the impact of colonization and the beginning of white nation-state.
  • Subjects: Geography
  • Pages: 4
  • Words: 1362

Scientific Method in Showing Plants Respond to Light

The scientific method refers to a collection of techniques that can be effectively used to explore and investigate the observations of a particular occurrence to be able to answer questions and acquire new knowledge about [...]
  • Subjects: Scientific Method
  • Pages: 3
  • Words: 1191

Origin of Life Hypotheses Analysis

The theory of prebiotic soup seemed to fill in the gap when Miller passed the electricity through the mixture of "water, methane, hydrogen, and ammonia" and obtained the "soup" in which the primitive life forms [...]
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 547

Geology of County Antrim: Carrickfergus to Cushendun

The national Trust manages the cliffs and foreshore and it is under the supervision of the Environment and Heritage Service of the Department of the Environment of the Northern Ireland.
  • Subjects: Geology
  • Pages: 8
  • Words: 2247

The Brain Regulation of Thirst

Here the stimulus is the thirst instinct which gives the brain the message that the fluid levels need to be adjusted to maintain healthy metabolism, the brain then sends messages to the muscles and other [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 589

Descriptive Statistics and Probability

This is the data analysis of the population growth of the population in the states of the USA, which are organized in the table.
  • Subjects: Statistics
  • Pages: 3
  • Words: 938

Bacterial Resistance to Antibiotics

There is a concept called "selection" where the drugs can eliminate those that have no resistance to the antibiotic and leave behind those that have developed resistance to the bacteriolytic effect of the drug.
  • Subjects: Genetics
  • Pages: 5
  • Words: 1607

Animal and Reproductive Cloning: Current Events

It is the nucleus that contains the DNA of the donor. Its DNA structure is similar to the donor."The blastocyst is then transferred to the uterus of a surrogate mother".
  • Subjects: Genetics
  • Pages: 2
  • Words: 636

Reproductive Biology: Ovarian Surface Epithelium

The germinal epithelium was a preferred term over OSE because this outer ovarian epithelium was assumed to be the source of germ cells in embryos and adults, and besides this, pre-follicular and granulosa cells that [...]
  • Subjects: Biology
  • Pages: 40
  • Words: 10029

George Boole as a Prominent Mathematician

In addition to that George explored such issue as the theory of probability and he tried to apply his principles. Nonetheless, it should be taken into consideration that he did not elaborate his argument, and [...]
  • Subjects: Math
  • Pages: 2
  • Words: 557

The Euphorbia Plant Modification and Adaptation

In the place of the leaves the plant has thorns which are used to protect the plant from its predators and help in conserving water for the plant as it does not lose water in [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 193

DNA Fingerprinting as Biotechnology Application

DNA fingerprinting, also known as genetic fingerprinting or DNA profiling is a method used to identify a specific individual. DNA fingerprinting is used to determine the parents of a person i.e.establish paternity.
  • 4
  • Subjects: Genetics
  • Pages: 2
  • Words: 384

Regression and ANOVA Methods: Theory and Examples

The net effects of the programme under evaluation can be assessed using regression analysis, by attributing part of the changes observed to explanatory variables, while the remaining effects are attributed to the programme.
  • Subjects: Statistics
  • Pages: 4
  • Words: 1422

Mathematics: The Language of Nature

Reaction 4: The debate whether mathematics could be treated as a language needs to be seen in the context of the fact that in certain cases, it deals with codified quantitative data which has very [...]
  • Subjects: Math
  • Pages: 2
  • Words: 533

Mutation and Variation in Dendryphiella

This paper elaborates the living conditions of the marine fungi, the studies that have been done so far on them, and the possibilities for the future finally discussing the results of the study being done [...]
  • Subjects: Biology
  • Pages: 14
  • Words: 4109

Bioterrorism and Biosecurity

The epidemiology of the infection is spread in the world evenly though in some of the parts there is only one form of Anthrax, for instance in the United States of America and therefore our [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2189

Inorganic Chemistry: Silver

It also exists in minute amounts in traces in ores of gold, copper, and lead."As a mineral, silver crystallizes in the cubic system.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 832

Skin Cancer Awareness Overview

Other causes of skin cancer include; family history of skin cancer, personal history of the disease, over exposure to the sun, history of sunburn early in life, large moles, freckles and light skin complexity. The [...]
  • Subjects: Formal Sciences
  • Pages: 5
  • Words: 1610

Process Mapping Overview and Analysis

The choice of methodology in trying to understand problems in aquarium manufacturing is very crucial in identifying the real problems that need to be addressed in the research for the company to achieve the expected [...]
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 554

Characterstic And Current Systems ICD-9-CM

The main features of the Cimino & Campbell et al are: It should be multipurpose-The vocabulary should be multipurpose i.e.it should be able to take care of the many purpose for which it may be [...]
  • Subjects: Statistics
  • Pages: 7
  • Words: 2284

Research on Chromosomal Aberrations

However this is not seen in Drosophila as there is no crossing over in the male but inversions are seen more than translocations and fertility is decreased with single chromatid exchanges.
  • Subjects: Genetics
  • Pages: 2
  • Words: 336

The Role of Plant Genetic Engineering in Global Security

Although it can be conveniently stated that the adequacy, abundance and reliability of the global food supply has a major role to play in the enhancement of human life, in the long run, they influence [...]
  • Subjects: Genetics
  • Pages: 8
  • Words: 2185

Western Scientific Paradigm

The acceptance of western scientific paradigm and the plethora of alternative therapies suggest that there is the likelihood of a convergence between the alternative medicines and the conventional treatments.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 572

Research Hypothesis and Issues in Interpreting Data

A study on the increased rate of crime in adult offspring due to maternal smoking during pregnancy would throw light on the association between the maternal smoking and behavioral patterns of the off springs.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 549

Investigating Number Systems

Prior to comparing Hindu-Arabic and Babylonian numeral systems, it is of the crucial importance for us to give the definition to such notion as number, because it can be interpreted from several points of view.
  • Subjects: Math
  • Pages: 4
  • Words: 1117

Oceanography: Research on the Albatross

This research will concentrate with the biological studies of the oceans which generally refer to the study of the ecological characteristics, social and environmental interactions of the aquatic organisms in the marine.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1719

Glucose/Galactose Malabsorption

Glucose and galactose are the two simple sugars transported in the intestinal tract and the disaccharides are sugars such as sucrose and lactose which are made from the combination of two simple sugars.
  • Subjects: Biology
  • Pages: 3
  • Words: 895

The Present-day World of Biotechnology

There are a number of companies which stand on the top bracket of the biotechnology research, however, Boigen, Genzyme, Amgen, Genentech, and Monsanto are the largest of the companies in the U.S.
  • Subjects: Biology
  • Pages: 5
  • Words: 1423

Cloning of Plants at the Botanic Garden

Cloning is now considered to be an efficient means to grow plants in being the result of vegetative propagation while seeds are the result of the natural reproductive phenomenon of plants.
  • Subjects: Biology
  • Pages: 2
  • Words: 580

Journal of Cultural Geography Studies

In 1979, Ray and Pat engaged Alvar Carlson, who was a professor of geography at as the editor in charge of the journal of cultural geography at the BSGU.
  • Subjects: Geography
  • Pages: 3
  • Words: 1148

An Introduction to Energy and Its Development

Further developments in the field of energy use began with the sources such as wind, biomass, and hydropower and these were the only sources of energy for humans for thousands of years.
  • Subjects: Physics
  • Pages: 5
  • Words: 1303

Biologic Effects of Ultrasound in Healthcare Setting

The instrument performing the emission of the sound waves and the recording of their bouncing back is referred to as the transducer and the medical practitioner generally gently presses the transducer against the skin of [...]
  • Subjects: Physics
  • Pages: 13
  • Words: 3504

“Sperm Competition in Fish” by Taborsky

The fundamental theory of the study proposed that the time, space, and opportunity of the fishes were the main determinates of the reproductive pattern of male fishes in the context of sperm competition.
  • Subjects: Biology
  • Pages: 2
  • Words: 548

Sordaria Analysis: Biology of Sordaria

The color of the acosphores is not the same and is varied, where some of the acosphores are seen as black, while the others appear as white.
  • Subjects: Biology
  • Pages: 3
  • Words: 850

Beginnings of Life: Different Approaches

However, the fundamental question lies in the paradox of the beginning of Life on earth. It dealt in particularities of life, and after identifying the particularities of the life of organisms, the next step was [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1428

Bayou Region of Louisiana: Underserved Population Problems

One of the major heath care issues is that a great number of people cannot get instantaneous access to medical services as many of them live in remote villages or reservations while physician medical clinics [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 868

Structure of Deoxyribonucleic Acid

The nucleotides join to one another by covalent bonds between the sugar of one nucleotide and the phosphate of the next. The sequence of nucleotides in the DNA strand can be different and vary in [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 1015

“Life Story” by M. Jackson

Hence, in the second half of the twentieth century the most of the attention was concentrated on revealing the secret of a gene.
  • Subjects: Genetics
  • Pages: 3
  • Words: 852

Physics: Superstring Theory

Superstring theory is one of the theories that offered or opened the door to clear many of the misgivings the scientists have regarding the universe.
  • Subjects: Physics
  • Pages: 8
  • Words: 3635

The Discovery and Deciphering of the Atom

It has been a fascinating journey of humanity in the quest for knowledge by applying his inquisitive mind and experimentation across a range of disciplines that have led to the present-day understanding of the atoms [...]
  • Subjects: Physics
  • Pages: 14
  • Words: 4804

The Surface Epithelium of the Ovaries in Primates

In mammals, three forms are known, GnRH-I, GnRH-II, and the salmon GnRH. Both groups of synthetic analogs also down-regulate the expression of GnRH receptors and initiate the internalization of the cell surface receptors to the [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 4581

Biological Psychology: Memory

By and large, there is a general agreement that molecular events are involved in the storage of information in the nervous system. It is about to differentiate different kinds of memory, one which is short-term [...]
  • Subjects: Biology
  • Pages: 13
  • Words: 4417

Genetic Basis of Fitness Differences in Natural Populations

In the article to summarize, the authors recognized that one way genomics affect biology is the possibility of identifying and studying how the characteristics affecting fitness, a key issue in natural selection, are genetically based.
  • Subjects: Genetics
  • Pages: 3
  • Words: 1305

Insect Evolution

Based on this idea and the observation that the absence of flight is beneficial to some species of stoneflies the researchers asked the question if insects lose flight before they lose their wings.
  • Subjects: Biology
  • Pages: 3
  • Words: 1103

Evolution: Three Different Modes of Selection

The main question being asked and analyzed in the research is how selection occurs, how it contributes to evolution processes, and three different modes of selection.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 748

Manual of Elementary Geology

The theory of evolution has been added to his account of the contributions as he has been the one reviewing the work by Lamarck and Darwin.
  • Subjects: Geology
  • Pages: 2
  • Words: 773