Terrorism ResponseYour team is the first responder law enforcement Essay

Terrorism ResponseYour team is the first responder law enforcement agency to a crime scene where a bomb has exploded at City Hall - Essay Example Specialized responders are the FBI, the Center of Disease Control teams and Explosives Ordnance Detonation (EOD) specialists, who take charge of the situation, identify toxin and take appropriate disease control, and detect and render safe secondary devices respectively. This essay discusses First Responders' Strategy to a hypothetical scenario wherein a bomb explodes at City Hall and an anonymous caller claims responsibility and indicates that the explosion released toxins. The paper addresses preliminary evaluation, concerns about scene safety, life saving efforts and scene protection and security and control measures. It premises that the anonymous caller's claim and hint are true. The scenario is a post blast incident in a populated enclosed cite with possible biological and chemical (BC) toxins released during the explosion. Law enforcement first responders are faced with a situation where there are people killed and hurt; people in a state of shock and panic, danger of infrastructure collapse, danger of the presence of secondary devices within the building or in proximate buildings, and danger of biological and chemical (BC) contamination. The anonymous call is presumably post facto. As such, the conservative posture is to assume that there is exposure to toxins. The first task is to set up a command post (CP) where activities among first responders and speci

Tutoring Essay Example | Topics and Well Written Essays - 2000 words

Tutoring - Essay Example A tutor is an individual qualified to impart students in different specialties. A tutor normally teaches scholars outside of the normal hours prescribed in schools. A tutor is frequently paid to offer tutoring training. He or she may be officially trained, and several qualified teachers. A tutor can also be somebody with proficiency in a subject field who is not a qualified teacher, like an academically gifted student. He or she may be working in a profitable tutoring industry. Tutors in the lifelong learning area appreciate all students independently and uniformly. They are dedicated to lifelong education and professional growth and struggle for continuous development through philosophical exercise. The main purpose of the tutor is to generate effective and motivating occasions for studying through prominent quality coaching that allows the growth and development of all students (Hitching, 2008). The lifelong learning area is modern and developed out of an administrative commitment to inspire the contribution of grown-ups into knowledge whether as fraction of an additional learning or a job based education plan. Lifelong learning is to encourage inclusion while raising the benchmarks of adult learning after the modern school age of sixteen ((Hitching, 2008). This type of learning refers to students in sixth grade learning through to old age learning within the community background. The kind of learners and the abilities and capabilities of those students’ presents a variety of disputes for a tutor go into the occupation and so it is significant to appreciate what lifelong learning entails. It is also significant to appreciate what is anticipated of a tutor in this setting and what their responsibility is, as well as what their tasks are to their learners. The responsibility of a tutor in the lifelong learning zone should be to observe the appropriate regulations of preparation and supervisory requirements that enclose the occupation. Naturally, the tuto r must be properly qualified and have an authorization to practice. They must also offer the resources and apparatus that are desirable to help their instruction. There is also a collection of statutory Acts that enclose the occupation, which embrace the Act 1974 of safety and health at work, Act 2010 (the Data Protection), the Equality Act 2010 (the Equality), and that each leaner matters (Wallace, 2007). In terms of the tutors’ tasks to their learners, there are several of needs that should be achieved. The tutor should bear in mind the aptitudes of the students in their grouping and provide suitable session plans that will assist their education (Wallace, 2007). They ought to understand their students and form suitable associations while managing social challenges. They must be able to recognize any supplementary learning requirements faced by the learners they are coaching and deliver sufficient encouragement that will aid the student overcome any obstacles to their knowl edge (Tummons, 2007). The tutor must be in a position to inspire their learners to inspire their education and they must be able to measure their personal achievements as well as acquire more skills from their limitations (Tummons, 2007). A tutor should also endorse equality. This refers to refers to encouraging a superior social fairness by offering individuals with the abilities to get and maintain work,

The volume of oxygen gas produced in a certain time Essay Example for Free

The volume of oxygen gas produced in a certain time Essay I will also being doing 3 repeats of each reaction in order to get a set of more reliable and accurate results because they results will vary. The reactions will be as follows: 1) 5 cm3 of H2O2 and 5 cm3 of yeast (100% of yeast) 2) 5 cm3 of H2O2, 4 cm3 of yeast and 1 cm3 of water (80% of yeast) 3) 5 cm3 of H2O2, 3 cm3 of yeast and 2 cm3 of water (60% of yeast) 4) 5 cm3 of H2O2, 2 cm3 of yeast and 3 cm3 of water (40% of yeast) 5) 5 cm3 of H2O2, 1 cm3 of yeast and 4 cm3 of water (20% of yeast) 6) 5 cm3 of H2O2 and 5 cm3 of water (0% of yeast) (Control of experiment). This is how the experiment will be carried out after setting up the apparatus: 1) Use syringe to add y cm3 of yeast into the conical flask. 2) Use a second syringe to add the x cm3 of water depending on how much yeast is going to be used. (Look at the list above) Make sure volume of gas in syringe is still 0 cm3. 3) Use a third syringe to put 5 cm3 of H2O2 into the conical flask and use the other hand to start the timer on the stop watch at the same time as the H2O2 is added. (Leave syringe in the tube so it stays air tight). 4) Note the volume of gas given off in cm3 when the timer reaches 15 seconds. 5) Rinse conical flask and then repeat with 80%, 60%, 40%, 20%, 0% of yeast (use the list of reactions above for volumes) 6) Repeat each reaction 3 times Safety Always wear lab coats, glasses and gloves because H2O2 is a substance that very corrosive and can cause lots of damage to the skin and it can also blind if there is contact with the eyes. If there are any spillages onto the skin or it seems you have a burning sensation on your skin, rinse immediately and inform teacher. If there is any contact between eyes and H2O2 inform the teacher quickly and rinse until the teacher attends to you. Variables and Fair Test In this experiment I will have to keep certain variable the same in order to get accurate and reliable results. In total there are 7 variables in this experiment and they are the following:   pH   Temperature   Enzymes Concentration   Substrate Concentration Total volume   Time   Oxygen produced Out of all of these variables there is one Dependent Variable, this is oxygen produced variable because this is what I am measuring by altering one of the other variables. Apart from the dependent variable all of the rest are independent variables and so therefore any one of these could alter the dependent variable giving me unreliable results. Therefore I will now explain what these variables can do and what to do with them in order to keep them constant. The variable pH is important because if the pH of the solution in which the enzyme is present is too low or too high the enzyme will not function properly because the pH will damage the shape of the enzyme and the shape of the active site making it so that the substrate molecule will not be able to fit into the active site, thus not allowing the enzyme to break it down. This will mean that the rate of oxygen produced will slow down. In my experiment I will keep the pH about 7 because this is Catalases optimum pH and this maintaining of pH is not difficult because all the substance that I am going to use will be neutral pH. This damaging of the enzyme is called Denaturing and is permanent.. Enzymes as I said earlier were proteins and this is why they can be denatured very easily. Temperature is important because it is able to increase the rate of oxygen produced and also decrease the rate of oxygen produced. I know it can increase the reaction rate because if there is a higher temperature the particles would have more kinetic energy and therefore there would be a faster rate of collisions and a higher % of successful collisions because since the particles would have more energy it would be easier to reach the activation energy and so more reactions (this would be the opposite if it was a lower temperature). The rate of oxygen produced could be decreased by the fact that proteins can easily be damaged by heat so if there is a high temperature the enzyme can be denatured and if there is a low temperature they can become inactive. My experiment will be done at room temperature. Enzyme concentration is not a problem because this is the variable which I am changing to find out the effects it has on the dependent variable. Substrate concentration can alter my results in two ways. One is that it will make my results quicker than they should be, if I put a higher volume in some and lower in others because from Collision Theory I have learnt that if there is a higher concentration of a substance in a solution it will have more collision which means more reactions and therefore this will make my results quicker than if I used a lower concentration of it. I can solve this problem by using the same volume of H2O2 in all my reactions. The second way that substrate concentration can affect my results is that it can level off the rate of oxygen made, if all the substrate is catalysed within my time range. I can solve this problem by simply using excess substrate but at the same time I will still have to keep the volume the same because of the problem I discussed earlier. Total volume must also be kept the same because otherwise the experiment would be unfair due to collision theory. This is because if the numbers of particles are changed, the number of collisions would be changed and therefore this means the number of reactions would change leading to a different amount of gas produced in my experiment. I can solve this by adding water when I use a smaller amount of enzyme. Time is another one of the variable that must be kept the same because if not the reaction would have more or less time to react and so producing different volumes of gas. I can solve this by always letting the reaction go on for the same amount of time; this will be 15 seconds in my experiments.

Anti-viral and Anti-cancer Effect of Sea Cucumber Extracts

Anti-viral and Anti-cancer Effect of Sea Cucumber Extracts The Anti-viral and Anti-cancer effect of secondary metabolite extracts from sea cucumber (Holothuria leucospilota) in vitro Abstract Sea cucumber is used as food purposes and traditional medicine in Asia and Middle East society. In this scientific study we try to examine antiviral effect of organic extracts, obtained from sea cucumber Holothuria leucospilota species against HIV-1. For this reason, sea cucumber collected from 10-30 meters depths, around Larak Island. In order to extract, were used from methanol and diethyl ether solvents. All obtained extracts concentrated by rotary evaporator in 40  ° C and then changed to lyophilized powder by vacuum freeze dryer. After that, potential antiviral effect of each extracts on HIV-1 was investigated. The results of this experiments showed that all extracts in some concentrations were able to inhibit the replication of HIV-1. IC50 for their was variable between 5.03  ± 1.90  µg/ml until 337.60  ± 1.34  µg/ml . but cytotoxic effect of all extracts in host cell were also many and CC50 for their was variable between 5.11  ± 1.89  µg/ml until 56.27  ± 1.54  µg/ml. results shown detail ether body wall extract have highest antiviral effect and also it was relatively less cytotoxic effect. 2.79 TI for this extract was shown, it has potential to inhibit HIV-1 after identify and extract effective substances. For survey anti-cancer probably effect have used XTT assay. The results of this experiment showed, all different extracts could be able to prevent Human carcinoma oral epidermoid cells (KB) in some concentration. But also, they had strong cytotoxic effect on normal cell line (HEK293T). Totaly between all different extracts, body wall diethyl ether extract had less cytotoxic effect on normal cells and with 2.46 TI index, showed rather anticancer activitythan other extract. Introduction In recent years, many bioactive compounds identify and derived from various marine organisms. Searches for discover new metabolites led to isolated 10,000 new combination from marine animals. Many of these compounds are related to medicine and pharmacy. This compounds and natural products have been source of materials that have medicine effects (Faulkner, 1996). These bioactive compounds isolated from various marine organisms, including Corals, crabs, seaweeds, Echinoderms, fishes, sponges and etc. Sea cucumbers belong to the phylum Echinodermata, meaning that, they are spiny-skinned, under the class Holothuridea. They are found throughout the nearshore coral reef environment and are also found in the deepest parts of the ocean. Sea cucumbers play an important role in reef recycling, gathering organic detritus and bacteria from the water or sand for food. These particles are digested by the animals in order to extract nutrients, a process that helps turn over sediments to maintain an environment that supports other marine life. Other animals, including fish, crustaceans, and molluscs, eat sea cucumber eggs, larvae and juveniles making them an important member of the food web. Many species eject Cuvierian tubules when threatened. These are very sticky and can be toxic or irritating to predators. They are a diverse group of flexible, elongated, worm-like organ- isms, with a leathery skin and gelatinous body, resembling cucumber (Bordbar, Anwar, Saari, 2011) Sea cucumbers are one of the marine animals which are important as human food source, particularly in some parts of Asia . Sea cucumbers, informally named as bà ªche-de-mer, or gamat, have long been used for food and folk medicine in the communities of Asia and Middle East. In Holothuria leucospilota live specimens have reddish-purple until black and their color is converted to brownish-pink in alcohol. they have Cylindrical body and their abdomen is a little flat. The body wall of the sea cucumber lacks the rigidity found in other echinoderms because the calcareous plates (ossicles) that compose the skeletal system are very small and widely isolated. These ossicles are secreted by special cells called sclerocytes and are embedded in the outer layers of the skin. Ossicles are species-specific in structure and complexity, and can be used to identify species ( Lambert., 2005). Many bioactive compounds have been reported from different species of sea cucumber. A number of these compounds possess biological activity (Bryan et al., 1992; Villasin and Pomory, 2000) Some of sea cucumber species in Malaysia water are being used in traditional medicine to treat wound, eczema, arthritis or hypertension (Farouk et al., 2007). Sea cucumbers have been well recognized as a tonic and traditional remedy in Chinese and Malaysian literature for their effectiveness against hypertension, asthma, rheumatism, cuts and burns, impotence and constipation [18–23]. Several unique biological and pharmacological activities namely anti-angiogenic [24], anticancer [25], anticoagulant [26,27], anti-hypertension [28], anti-inflammatory [29–31], antimicrobial [32,33], antioxidant [34], antithrombotic [35,36], antitumor [37,38], and wound healing [39] have been ascribed to chemical compounds extracted from different sea cucumber species (Bordbar et al., 2011). These medicinal benefits and health functions of sea cucumbers can be attributed to the presence of appreciable amounts of bioactive compounds, especially the triterpene glycosides (saponins) [40–42], chondroitin sulfates [43], glycosaminoglycan [26,36], sulfated polysaccharides [44], sterols (glycosides and sulfates) [45], phenolics [46], peptides [47], cerberosides [48] and lectins [49–51]. Unlike bacteria, fungi and parasites, viruses have no cellular structure. when Viruses are outside live cells they behave like organic compounds and they are not able to replicate and clone independently. They do not have inner cytoplasmic organs such as ribosomes, mitochondria and lysosome. HIV-1 virus or human immunodeficiency virus is an RNA virus of the retrovirus that causes acquired immunodeficiency disease (AIDS) in humans. According to the World Health Organization, 60 million people worldwide are infected with HIV and each day 5,700 lose their live because of this disease.( UNAIDS, 2010) HIV tends to infect and kill T lymphocytes that cause reduction and losing host cellular immunity and will make susceptibility to opportunistic infections. The presence of various materials, such as Liouvillosides A and B which are trisulfated triterpene glycosides and fucosylated chondroitin sulfates (FCS), are causing appear anti-viral effects in extracts of these animals. The body is made up of trillions of living cells. Normal body cells grow, divide into new cells, and die in an orderly fashion. During the early years of a persons life, normal cells divide faster to allow the person to grow. After the person becomes an adult, most cells divide only to replace worn-out or dying cells or to repair injuries. Cancer begins when cells in a part of the body start to grow out of control. There are many kinds of cancer, but they all start because of out-of-control growth of abnormal cells. Cancer cell growth is different from normal cell growth. Instead of dying, cancer cells continue to grow and form new, abnormal cells. Cancer cells can also invade (grow into) other tissues, something that normal cells cannot do. Growing out of control and invading other tissues are what makes a cell a cancer cell. Cells become cancer cells because of damage to DNA. DNA is in every cell and directs all its actions. In a normal cell, when DNA gets damaged the cell either repairs the damage or the cell dies. In cancer cells, the damaged DNA is not repaired, but the cell doesn’t die like it should. Instead, this cell goes on making new cells that the body does not need. These new cells will all have the same damaged DNA as the first cell does. People can inherit damaged DNA, but most DNA damage is caused by mistakes that happen while the normal cell is reproducing or by something in our environment. Sometimes the cause of the DNA damage is something obvious, like cigarette smoking. But often no clear cause is found. Material and methods Sample collection All samples collected from 10-30 meters depth around Larak Island and they had transferred to shore with ice. Upon reaching the shore, samples were frozen using dry ice and transported to the laboratory. Samples kept in separated labeled plastic bags in frozen at -20 C until extraction. Extraction Sampels thawed with water and then mud, or sand, foreign particles remaining from the body surface and were washed away with tap water. Samples were cuted from both sides of the midline of the body. internal organs separated from body wall and they cleaned with tap water before extraction. Extracts were prepared following Naik et al. at first, fresh holothurians were rinsed and cut into small pieces. Then cut samples moved to Erlenmeyer with 1000 cc diethyl ether solvent. The sample was collected in diethyletter about 24 hours, the semi- polar and non- poplar extraction was produced. After solution filtered and evaporating diethyletter to dryness, at low pressure at 35- 40C by using Rota vapor. Then the sample put in methanol for 72 hours, The polar extraction was produced The polar compounds in the phase of methanol- aqueous extracts were separated. The concentrated methanol extracts was then dried to obtain crude semi-solid extracts. The crude extract was then weighted and percentages of extraction from sea cucumber were calculated. After 72 hours evaporating methanol to dryness, at low pressure at 40-45 C by using Rota vapor and at the end , extract changed to lyophilized powder by vacuum freeze dryer. Production of Pseudotyped Single-Cycle Replicable HIV Virions Single-cycle replicable HIV-1 (SCR HIV-1) virions were constructed by deleting a 2-kb segment within the Pol region of the HIV-1 genome from the pNL4-3 strain (provided by Dr. Navid Madani). Pseudotyped SCR HIV- 1 virions were produced by co-transfection of HEK293T cells with pmzNL4-3 (containing the mutated genome), psPAX2, and pMD2G plasmids obtained from Addgene (www.addgene.org) (10, 11). The pmzNL4-3 plasmid encodes the HIV-1 full-length RNA, with packaging ability containing the above-mentioned deletion in the Pol region; the psPAX2 plasmid encodes HIV Gag and Gag-Pro-Pol polyproteins, in addition to all the viral accessory proteins; and the pMD2G plasmid encodes the vesicular stomatitis virus surface glycoprotein (VSVG), which is necessary for virion assembly and the budding process. These pseudotyped virions are able to infect a broad spectrum of cells, even without the CD4 receptor. After co-transfection of the HEK293T cells with the  above-mentioned plasmids b y using the Polyfect reagent (Qiagen, Germany), supernatant containing the  virions was harvested at 24, 48, and 72 h. Virus stock was concentrated 20 times by ultracentrifugation, p24 load was quantified (HIV p24 ELISA, Biomerieux, France), and the stock was stored at -70 °C (10, 11) Cell lines The human immunodeficiency virus (HIV-1)–infected cell line Hela and human embryonic kidney (HEK) 293T cells and Human carcinoma oral epidermoid cells (KB) (American Type Culture Collection) were cultured at 37 °C with 5% CO2 in RPMI1640 medium (Biosera, England) and DMEM (Biosera, England), respectively. The media were supplemented with 10% fetal bovine serum (Biosera, England), 200 units/mL of penicillin G, and 80 µg/mL of streptomycin (Sigma, USA). XTT-Based Cytotoxicity Assay The cellular toxicity of methanol and diethyl ether extracts in HEK293T, Hela and KB cells were assessed using a cell proliferation XTT kit (Roche Diagnostics, Germany), as described previously (9). Briefly, cells were plated in triplicate in 96-well plates in the presence or absence of various concentrations of methanol and diethyl ether extracts. After incubation at 37 °C with 5% CO2 for 3 days, 50 ÃŽ ¼L of prepared XTT mixture was added to each well. The cells were incubated for an additional 4 h to allow the production of XTT formazan. Absorbance was measured using an ELISA plate reader (BioTek ELx800) at a test wavelength of 450 nm and a reference wavelength of 690 nm. Percent inhibition was calculated using the following formula: Inhibition (%) = [100 – (At/ As)] Ãâ€" 100, where As is the absorbance of the solvent and At, of the test sample, respectively. The cytotoxic concentration that resulted in a reduction of the number of viable cells by 50% (CC50) was calculate d from doseresponse curves. Replication assay Vesicular stomatitis virus glyco ­protein (VSVG)-SCR virions can infect Hela cells and complete their replication cycle by assembling of inactive virions. Hela cells (6Ãâ€"104) were seeded in each well of 24 well plates containing 250 ÃŽ ¼l of complete medium and infected with 400 ng P24 VSVG-SCR virions. Cells and virions were incubated together overnight and cells were then washed two times with pre-warmed 5% FBS supplemented DMEM. Complete medium (400 ÃŽ ¼l) was added into each well and cell supernatants were analyzed for p24 load after 48 hrs (HIV P24 ELISA, BIOMERIEUX). Result Antitumor effect of the sea cucumber extracts Evaluations of sea cucumber H. leucospilota extracts for potential anticancer activity on growth human cancer cell lines, Human carcinoma oral epidermoid cells (KB) and human embryonic kidney cells (HEK293T) were evaluated by XTT assay. Methanol digestive organs extract with 2.46 TI index (table 1), showed better anti-cancer effect than other extracts obtained from sea cucumber. Compared to untreated control was detected. The dose dependent decreasing in the percentage of viability of treated cancer cells comparing to controls was represented in the (Fig. 1A to D). As shown in (Fig. 1B), among the other extracts, only methanol digestive organs exhibited antiproliferative effects against the cancer cells. In addition this extract was rather less cytotoxic against HEK293T compared with other extracts. Bars represent means of triplicate determinations, and error bar indicate SD. Results were accepted to be significant at p Table-1- Inhibitory effects of sea cucumbers extracts on growth growth human cancer cell lines, Human carcinoma oral epidermoid cells (KB) and human embryonic kidney cells (HEK293T) Extracts IC50 CC50 TI (CC50/ IC50) KB HEK Methanol body wall 224.9  ± 1.33 281.0  ± 1.18 1.24 Methanol digestive organs 152.5  ± 1.29 375.4  ± 1.11 2.46 Methanol gonad 500 360.1  ± 1.75 0.72> Diethyl ether body wall 279.0  ± 1.17 284.9  ± 1.19 1.02 Diethyl ether digestive organs ~ 449.4  ± 2.51 444.2  ± 1.55 ~1.01 Diethyl ether gonad 367.1  ± 1.29 302.2  ± 1.12 0.82 The IC50 (inhibition concentration 50% of extract that caused inhibition cancerous KB cell line), CC50 (50% cytotoxic concentration of the extracts on HEK) and TI (therapeutic index) of different extracts of sea cucumber by using XTT assay, mean  ± SD . Comparison of the cytotoxic effects of sea cucumber extracts on cancerous (KB) and normal (HEK293T) cells, was determined using the XTT assay (un- treated control (1  µl DMSO) cells) Effect of sea cucumber H. leucospilota extracts on KB and HEK293T cells. Internal organs extracts (50 mg/ml) highest antiproliferative effects against KB cells and don’t significant cytotoxic effects than other concentration. Values are mean  ± SD of three determinations. Anti-HIV activity of the sea cucumber extracts In this study first we evaluated the cytotoxic activity on hella cells of different concentration of each extracts with XTT assay. XTT assay appeared all extracts have substantial cytotoxic effect on host cell line. The antiviral activities of each extract are summarized in Table 2. We further determined whether the inhibitory effects on HIV-1 replication of these extracts were dose-dependent. We infected hella cells with HIV-1 viruses and then treated the cells with each of the extracts at a concentration of 10  µg/ml to 1000  µg/ml fig 2A to F. None of the extracts showed significant inhibition of HIV-1 replication but the concentration of 100 µ g/ml methanol digestive organs, inhibit HIV-1 replication with less cytotoxic effect compared to other extract fig 2A.in addition body wall extract, with 2.79 TI index has rather better antiviral activity than other extracts(table 2). We also included 0.1% DMSO as a negative control and nevirapine as a positive control in these experi ments. Bars represent means of triplicate determinations, and error bar indicate SD. Results were accepted to be significant at p Table-2- The IC50 (inhibition concentration 50% of extract that caused inhibition of viral replication in HIV-1), CC50 (50% cytotoxic concentration of the extracts on host cells (Hela)) and TI (therapeutic index) of different extracts of sea cucumber Extracts IC50 CC50 TI (CC50/ IC50) Methanol body wall 35.89  ± 1.21 19.15  ± 1.45 0.53 Methanol digestive organs 57.61  ± 3.02 23.79 ± 1.67 0.41 Methanol gonad 337.60  ± 1.34 9.084  ± 1.15 0.02 Diethyl ether body wall 20.14  ± 1.16 56.27  ± 1.54 2.79 Diethyl ether digestive organs 37.01  ± 1.19 49.65  ± 1.53 1.34 Diethyl ether gonad 5.03  ± 1.90 5.11  ± 1.89 1.01 The average percentage of HIV-1 replication with extracts treatments based on three independent experiments. The percentage was considered as 100% when HIV-1 replication of DMSO sample reached to the peak. Instead, the rest of other samples with extracts treatments were calculated and converted into percentages based on DMSO and nevirapine used as a positive control in these experiments. The data were mean  ± SEM of three independent experiments.

Essay --

Smithsonian Digital Libraries provided various materials for its user which are Databases, Exhibitions and Collections. These materials are very useful to researchers as it provide accurate and reliable information. Besides that, it also provides the collection of online books range from Art, History and Culture. Database is a collection of data to search materials easily. Smithsonian Digital Libraries provides databases such as Taxonomic Literature II which are a selective guide to botanical publications and collections with dates, commentaries and types. In addition, other available database is Smithsonian Research Online that itemized a set of services to the research community both within and outside the Smithsonian Institution. Other examples of databases available are listed as below. †¢ Example of Databases in Smithsonian Digital Libraries: o Taxonomic Literature II o Smithsonian Research Online o Index Animalium o Trade Literature Through exhibitions in Smithsonian Digital Libraries enable users to explore the rich variety of topics, images and materials featured in online exhibition. On the other hand, the current exhibition allows users to view the display of the latest exhibitions as the date and location are being stated. Besides that, National Museum of American History curators created the panel to offer users with reproductions of the world’s greatest pieces such as illustrations from rare books and document from the travelling exhibition column. †¢ Examples of Exhibitions in Smithsonian Digital Libraries: o Online Exhibition o Current Exhibition o Travelling Exhibition o Library and Archival Exhibitions on the Web Smithsonian Digital Libraries range from various type of collection. One of the collections is Caldwe... ...for its users. For educational purposes, user can easily access through the three main type of collection that have been provided. Researchers and scientist are being supply with current periodicals and professional society publications. In addition, with the existence of online books, user will acquire the same information as the printed book. On the other hand, user can also view the exhibition on interesting topic as Smithsonian Digital Libraries offers various type of exhibition such as online and travel exhibition. There are no broken links in this digital library. †¢ Link All the listed hyperlinks in Smithsonian Digital Libraries are well-functioning as it takes user to the accurate information. The link contains in this library were involve only internal link. For example, if user clicks on either one of the link, the tab will be open through the same page.

Cleopatra as a Historical Figure Essay -- William Shakespeare Literatu

Cleopatra as a Historical Figure In hieroglyphs, the name reads â€Å"Kleopadra†. It is a name which in Greek means â€Å"Glory of Her Race† (Weigall, 44). It is a name belonging to a woman who has transcended the boundaries of time so that we may know her story. What better way to describe Cleopatra, the last Queen of Egypt, Ruler of the Nile, sent from the Gods themselves to lead her people, than â€Å"Glory of Her Race†? Cleopatra, the last ruling descendant of the Ptolemaic Dynasty, has arguably unparalleled fame as a female historical figure. Yet we must ask ourselves: why? What is it about this individual that strikes us as so intriguing that we, like the Elizabethans before us, centuries ago, like the Romans two millennia past, should divert so much of our attention into construing the motivations behind the enigmatic figure that is Cleopatra? We must look not only to Cleopatra, but also to the historical events surrounding the last few years of her rule, in order to truly understand the historical significance bestowed upon her. It was a combination of the tumultuous political upheaval and civil unrest of Rome c.a. 40 B.C. that allowed Cleopatra to utilize her exotic mysticism and considerable political cunning to manipulate the situation in an attempt to fulfill her ultimately patriotic ideals. It is her vital and unique role in these hugely significant historical events that makes her equally indispensable in the annals of history. The land of Ancient Egypt has forever been a source of intrigue and mystery, both to the people who lived outside of its influence, and to those of us living thousands of years after the Pharaohs ruled the Nile. The dichotomy that existed during the time of Cleopatra between the West, Rom... ...ction).† The Norton Shakespeare: Tragedies. Eds. Stephen Greenblatt, Walter Cohen, Jean E. Howard, and Katherine Eisaman Maus. London: Norton, 1997. 854-847. Shakespeare, William. â€Å"Antony and Cleopatra.† The Norton Shakespeare: Tragedies. Eds. Stephen Greenblatt, Walter Cohen, Jean E. Howard, and Katherine Eisaman Maus. London: Norton, 1997. 856-934. Volkmann, Hans. Cleopatra: A Study In Politics and Propaganda. London: Elek Books, 1958. Weigall, Arthur. The Life And Times Of Cleopatra. New York: Greenwood Press, 1968. Works Cited Deats, Sara Munson. "Rabbits and Ducks." Literature Film Quarterly 20.4 (1992): 284- 294 Rabkin, Norman. Shakespeare and the Problem of Meaning. Chicago: University of Chicago (Press), 1981 Shaw, William P. "Textual Ambiguities and Cinematic Certainties in Henry V" Literature Film Quarterly 22.2 (1994): 117-123

My Favorite pace

My Favorite Place My favorite place is very general. It is very peaceful, and is full of nature. So the beach is my Favorite place that I always like to spend my time there, especially one vacation during summer. I still Remember the time I went to the Sihanouk Ville beach for a week, and people another countries, people In Cambodia enjoy going there So Much. As it a common on place to visit, it is a good place for people who ant to spend time on vacation for relaxing with fresh air and enjoy eating fresh seafood.These are also the reason why I like to go there. In additional, there are many more reason that I really like about going to the beach. For the first thing, I love the summery at the beach it is as beautiful as the painting of an arties. I can see a huge, endless sea, and the horizon between it. And the beautiful, bright, blue sky. It could not stop me from taking pictures of this beautiful view. A1 so, I like to have my picture taken when i go to there as well.Beside this, there are fresh air at the beach. Which I like from the beach. I can smell the salt air and fell it through have moving my clothes and hair back and forth. It is a helpful fresh air which is excellent for our health, as the doctor has comment def. I like sitting on the beach looking to the sea and taking long breath to get the fresh air in and out. Sometime smell of seafood grill passes through my noes while some mellers work around selling them.This smell makes stop to buy all those grill seafood. I am really want to eating seafood there because they are fresh and so yum. Looking forward to the sea, I can hear the other hand. It is a quiet place at night. Through the darkness, I can see the brightness of the moon and stars in the sky and hear the sound of the sea waves. I love to lie down in the night at the beach looking at them because they give me calm and peaceful.