Friday, August 21, 2020

Debate on vaccination Essay Example | Topics and Well Written Essays - 1750 words

Discussion on inoculation - Essay Example For example, the inoculation against smallpox utilized cowpox, which was a poxvirus looking like smallpox to shield against it yet didn't bring about any significant sickness. Inoculations are finished during the early stages of a person’s life despite the fact that this doesn't impede a grown-up to go for immunization. Kids pass on of illnesses every year since they are defenseless to contaminations because of their delicate resistant frameworks. They are feeble on the grounds that they are youthful, and their bodies have not manufactured insusceptibilities to these maladies. In this way, the most ideal approach to shield youngsters from such ailments is through immunization (Sprigg 32). A few guardians accept that antibodies are undependable for their kids. Be that as it may, it is increasingly difficult when a youthful life is taken by the contamination of an exceptional infection in light of the fact that the youngster was not immunized. Illnesses slaughter youngsters every year. Youngsters are progressively defenseless to disease because of their weak safe frameworks. They are feeble on the grounds that they have not yet remained alive enough to create systems for battling diseases. â€Å"†¦Unlike therapeutic treatment, immunization gives a lifetime of assurance from destructive diseases†¦and guarantee more beneficial kids, families and communities.† (Seth). In spite of the fact that inoculating kids can help forestall certain sicknesses, there are as yet many parent that are declining to immunize their kids. Antibodies against malady, for example, polio and MMR ought to be compulsory for all youngsters who wish to go to class. These inoculations can control the spread of savage infections, help ensure youngsters that can't get immunized and can set aside family time and cash. Notwithstanding, numerous guardians and watchmen have fizzled or would not take their kids for inoculation because of various belief systems that have been proliferated about immunization after some time. A portion of the belief systems have been realized by fears while others by misguided judgments about the procedure of inoculation

Wednesday, July 15, 2020

Felicitations!

Felicitations! Today we’re happy to announce that Khan Academy is live en Français. You can access our content all in French whether you’re from Paris or Port-au-Prince.  Just visit fr.khanacademy.org to start learning in French. We thought it would be fun to show you some of the team of dedicated translators who helped make this possible. Merci to one and all and thanks for your hard work and enthusiasm in making this happen! Mathieu Bardeau After a Masters degree in management at Edhec Business School, I put into practice what I had been taught, and joined the media industry. Working with the Khan Academy is great because it combines my skills in addition, subtraction, and even multiplication, with my passion for telling stories. Thomas Blasselle I am a math addict! I taught math after college, and eventually became a school book editor specializing in various sciences subjects. Khan Academy’s math look more like what I believe maths should be: a living matter made of reflection and research. Pierre Bondareff I am a physics and chemistry teacher and recently also got my PhD in physics. When I heard about Khan Academy, I was immediately very enthusiastic to participate in this modern adventure. I like teaching to others and Khan Academy allows me to do it in a very direct way. Wherever you are, with a well-working education system or not, an internet connection will be enough to connect yourself on the website and to learn at your pace. Bastien Bruneau I specialized in renewable energy at Ecole Polytechnique, where I am still working for my PhD on plasmas and photovoltaic research. I strongly believe that the Khan Academy brings something new and innovative to the way knowledge is passed on. Romain Cariou I am at the beginning of the end of my thesis on material science and photovoltaic cells, at the Ecole Polytechnique. When I was a student, YouTube was more full of videos of cats and babies, rather than Newtons Laws, Matrix or Stereochemistry. The democratic way of sharing knowledge with Khan Academys approach of is a great initiative; all you need is internet and a little curiosity to benefit from it. Eloa Chosson Ive always been captivated by mathematics. After I graduated from the Toulouse School of Economics, I went to Australia and ended up training horses on remote stations where most children are taught by their parents through a homeschooling system. I thus got a grasp of the importance of distance education and this is why I decided to get involved in the Khan Academy project. I now enjoy translating Sals videos because of his innovative approach and his way of making maths concepts easy to understand and remember. Isabelle Dautriche I am a PhD student at Ecole Normale Supérieure, working on language acquisition (how do infants acquire their native language?) Making some videos for Khan Academy is a great combination with my PhD because when my research gets stuck, I can do a 10min video which will be useful for kids, teenagers and adults. Perhaps this is actually the most useful job that I’ll ever have! Yassine El Ouarzazi I grew up in Casablanca, Morocco, and moved to France when I was 17 to go to engineering school.  I have a passion for science and education, and I immediately fell in love with Khan Academy after watching Salman Khans TED talk. I hope this project will help my two kids and millions of other ones in my continent of origin, Africa, to have access to a free world-class education for anyone anywhere. Ramïn Farhangi After getting an Engineering degree from Cornell University and Ecole Centrale Paris, I now live my passion as a Math/Physics teacher in Madrid. I joined the Khan Academy team in France because its fun to make videos, it improves my teaching skills, and because I help providing the world (and notably developing countries) with high quality lessons.Working for Khan Academy has indeed given my life more meaning! Lydie Morel I graduated from a PhD of Neuroscience and spent four years in Boston where I learned English and discovered Salman Khan and his work with the Khan Academy. When I got the lucky opportunity to join the Bibliothèque sans Frontières’ team of translators, I grabbed it! As a kid, I used to play with math exercises in my free time: I always tried to help my schoolmates see the elegant, logic and fun aspects of mathematics.   Muy-Cheng Peich I am currently almost at the end of a PhD in social cognition which focuses on social interaction deficits in neurodegenerative diseases. I have always loved helping others understand things that fascinated me or things that I had found challenging to learn. I strongly believe in the use of technologies to reduce social inequality in education- that’s one the reasons why I joined BSF as the head of the education department. Sophie Pelloux After a PhD in biology, I finally became a general practitioner. I have always been interested in education, in medicine and beyond, and I strongly believe that each student should learn at his/her own pace. I discovered Khan Academy several years ago, while I was trying to help my cousins understand math. One of their issues at that time was that the content was available in English but not in French I am glad to see that the mathematical part is now ready to run in French, and to have the opportunity to translate the health content videos! Nicolas Roux I am currently involved in a PhD where I study water resource in arctic areas, where permafrost (frozen ground) makes access difficult. Teaching is for me as important as research, so I naturally saw in Khan Academy a unique opportunity to reach a larger audience than the one classic teaching could ever possibly allow me to reach. Also a special thanks to the translation team at  Bibliothèques Sans  Frontière!

Thursday, May 21, 2020

Memory And Memory Of Computers - 868 Words

Memory Have you ever wanted to know how certain files, documents and so on are being saved and what led this to occur? The memory of computers is quite fascinating and there is so much that goes into saving something on a computer. There are different types of memory that is found on computers that is needed to make things work and that would be acceptable to the user. The main two that is quite known in the computer world would be Primary and Secondary memory. There are 2 types that make up the Primary memory and that would be Random Access Memory (RAM) and Read only memory (ROM). The secondary memory consists of a hard disk drive, flash drive and zip drive. There are also optical discs that are included. One thing that is special in terms of computers would be the Primary memory. Primary memory is divided into 2 types. The first type would be random access memory. RAM is in charge of keeping data in a stored area so that it can be reached by the processor when necessary. RAM does a really good job at laying away data in such a random basis. An article from the PC World have shown that in this generation RAM has increased tremendously; it is said that â€Å" A review of systems that the PC World test center has grown from a little over 90 MB to about 2 GB, spiking whenever Microsoft releases a new version of Windows† (Stafford pg. 84). RAM has 2 forms, they are Static RAM and Dynamic RAM. Static RAMShow MoreRelatedComputer Memory1614 Words   |  7 PagesComputer Memory Basics Although memory is technically any form of electronic storage, it is used most often to identify fast, temporary forms of storage. If your computers CPU had to constantly access the hard drive to retrieve every piece of data it needs, it would operate very slowly. When the information is kept in memory, the CPU can access it much more quickly. Most forms of memory are intended to store data temporarily. As you can see in the diagram above, the CPU accesses memory accordingRead MoreComputer Memory2193 Words   |  9 PagesA. VOLATILE MEMORY Volatile memory, also known as volatile storage, is computer memory that requires power to maintain the stored information, unlike non-volatile memory which does not require a maintained power supply. It has been less popularly known as term Dynamic random access memory (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge, the information eventually fades unless the capacitorRead MoreComputer Memory3238 Words   |  13 PagesComputer Memory 1.Introduction: Just like humans, computers rely a lot on memory. They need to process and store data, just like we do. However, computers store data in digital format, which means the information can always be called up exactly the way it was stored. computer memory - an electronic memory device; a memory and the CPU form the central part of a computer to which peripherals are attached 1.1History of memory: In the early 1940s, memory technology mostly permitted a capacityRead MoreComputer Science : Memory Management1149 Words   |  5 Pages Memory Management Navid Salehvaziri Virginia International University â€Æ' Abstract Memory management is a field of computer science that involves the act of managing computer memory to use it more efficient. That means how the computer allocate portion of memory to programs at different levels of priority to make faster program execution regard to memory space limitation. There are many techniques that are developed to reach this goal at many levels. This article try to introduce memory managementRead MoreComputer Memory Hacking Essay908 Words   |  4 PagesComputer Memory Hacking NAME Professor CIS 106 November 20, 2014 Technology continues to evolve exponentially. However these technological advancements continue to pose a threat to both individuals and information resources of companies and governments. There is therefore the need to protect one’s data and information due to the emerging threats and risks. Hacking is where third parties create a backdoor version of a hardware and software so as to manipulate or unlockRead MoreComputer Memory Hacking Essay835 Words   |  4 PagesComputer  Memory  Hacking                      Computer  Memory  Hacking   Rebecca  M.  Shepherd   CIS  106  Intoduction  to  Information  Technology   Professor  Dima  Salman   Stayer  University  Ã‚   November  23,  2014                                 Computer  Memory  Hacking    Hacking  of  memory  or  hacking  of  RAM  describes  when  a  person  or  person(s)  gains   unauthorized  access  to  the  RAM  (random  access  memory)  of  a  computer  system.  There  a  couple   of  reasons  that  one  might  participate  in  hacking  the  memory  of  a  computer  system.  One  reason  Read MoreThe Computer Memory Interference Test Essay1356 Words   |  6 PagesIntroduction The Computer Memory Interference Test (CMIT) is a test that is designed to evaluate how memory is affected by a myriad of different variables. With results from this test, scientists are able to determine if an individual has a serious memory disorder such as Alzheimer’s, or other cognitive disorders such as Autism. This test can also determine how memory is affected by different cultures and lifestyles. This study will concentrate on lifestyle; more specifically, it will focus on theRead MoreAn Array Is Stored In A Continuous Sequential Memory Computers762 Words   |  4 Pagesrepresented in a larger format requires more complex circuitry and more time for executing the codes. Either of them will slow the program execution. 3. An array is stored in a continuous sequential memory locations. Where the first element is stored in the lowest address. Linked list is stored in memory as unordered 7 non continuous set of list element. Where each consisting of a data value and a pointer to the next data list element. Arrays Linked List Compact easier to read or write Not compactRead MoreComputer Security : Memory Controlr Overflow731 Words   |  3 Pagesbuffers, or memory allocations exploits eventually giving the attacker full control over a compromised system. This takes place when a process or programme writes or attempts to write data onto a static sized memory block than it was initially allocated. By taking advantage of the buffer overflow attacker are always aiming to completely take control of the whole system by elevating their privileges to the Admin rights. To successfully attain this they identify a function pointer in memory that theyRead MoreEffects Of Computers On Memory : Cognitive Consequences Of Having Information At Our Fingertips1045 Words   |  5 PagesEffects on Memory: Cognitive Consequences of Having Information at Our Fingertips†, was written by Betsy Sparrow, Jenny Liu, and Daniel M. Wegner. The article was published in Science Magazine. The readers that the author intends to reach are people in the science field, or those interested in knowing more about how computers can affect the brain, specifically cognitive abilities. The purpose of the author’s writing this article is to inform readers about the effects computers have on memory and how

Wednesday, May 6, 2020

Colorectal Cancer The Third Most Common Type Of Cancer

Introduction Colorectal cancer (CRC) is ranked as the third most common type of cancer in women. Furthermore, it is the fourth most dominant kind of cancer in men recorded all over the world. Consequently, CRC accounts for over a million new cases and more than half a million deaths every year. Colonoscopy allows early discovery and removal of precancerous lesions and may, therefore, effectively prevent or reduce the risk of Colorectal cancer. Although studies under hugely standardized conditions have shown that colonoscopy is linked with a 76% to 90% risk reduction of colorectal cancer in individuals with colorectal polyps, its effectiveness in preventing this type of cancer, especially in the community environment, is not clear. The aim†¦show more content†¦Biases The main bias noted in the research investigation was the selection of the respondents, which had limitations and restrictions on age, sex, and previous colonoscopy results. Essentially, such considerations ended up biasing the research investigation. Confounding The study had a higher possibility of a residual confounding bias because the measure of association between the use of previous colonoscopy results was bound to be mixed up other factors under investigation that could not give an opportunity for getting the most accurate results. In this study, the conclusions indicated that risk reduction of colorectal cancer was observed for both the right-sided and left-sided colon cancer. Methods Study Design, Sample, and Population. The study employed a case-control and population-based design that was carried out in the Rhine-Neckar region in the southwestern part of Germany that has a population of more than two million individuals. Initially, the study required eligible patients aged 30 years or older, had experienced their first diagnosis of invasive primary colorectal cancer, were able to communicate in German, and were mentally and physically capable to participate in the study. The report of the study was based on an enormous number of control patients (n _ 1945) and case patients (n _ 2399) who were recruited from January 2003 to December 2007. Furthermore, a total of 22

Microbiology and Unknown Bacteria Lab Free Essays

Unknown Bacteria Lab Report Introduction The purpose to this lab was to identify an unknown bacteria from a mixed culture provided to us by our instructor. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed, provided us with some key information about the unknown organism in question and how the bacteria function. We will write a custom essay sample on Microbiology and Unknown Bacteria Lab or any similar topic only for you Order Now Over a two week period, eight prepared types of test media were provided to identify the assigned unknown mixed cultures. Not all of these tests were performed on every culture, as some were used only for gram positive or gram negative bacteria. The tests performed and what constituted a positive or negative test are as follows: Lab day 1; today in lab we obtained the unknown mixed culture â€Å"041†and one brain-heart infusion agar (BHIA). The first step was the preparation of the medium, the bottom of the BHIA dish was labeled with the bacterium number, initials, and section; then divided into four quadrants. The second step, we used the septic technique to transfer a small amount of culture with a flame-sterilized inoculating loop to the first quadrant, flamed and cooled the loop again then transferred a small amount of the culture from the first quadrant to the second using the quadrant streaking method as illustrated on page 18 of the lab manual, repeating this process until all four quadrants were properly streaked. Lab day 2; we collected our BHIA medium and began by identifying the morphology and cell-to cell arrangements of the colonies. Two different colonies were observed, the first colony was yellow in color and larger in size and the white colored colony was slightly smaller in size. As instructed, each colony was prepared for gram staining, one slide for the large yellow colony and one for the smaller white colony. After properly gram staining the slides as directed in chapter six of the lab manual, the smears were examined under†¦ How to cite Microbiology and Unknown Bacteria Lab, Papers

Friday, April 24, 2020

Marx And Freud Essays - Marxian Economics, Commodity, Surplus Value

Marx And Freud ) In Capital, Marx analyzes the commodity form, its characteristics, and the kind of society that rises with it. What is his argument about the nature of commodity exchanges? On what foundation of this analysis, he attempts to force the secret of profit making in capitalism. How does he demonstrate the way the way in which capital produces profit? Marx reference to commodity can be seen in two forms, use and exchange value, every useful value can be looked at from two points of view, quality, and quantity. A use value is a commodity that is useful. Use value is dealing with definite qualities, such as a dozen of vases or yards of material. Only by consumption, use value becomes a reality. Exchange value can be viewed as a quantitative relation. Goods are changed according to their equality of one another; for example, three tons of rice may equal a ton of iron. Use value commodities differ in qualities whereas exchange values differ in quantities. All products of commodity have only one thing in common and that they are all required in labor. When a product is transferred to another, where that product will serve as a use value by means of exchange, it becomes a commodity. Marx claims, The common substance that manifest itself in the exchange -value of commodities whenever they are exchanged, are their value. Although the exchange-value of commodities is only expressed in value, one has to consider the nature of value independently of this, its form. The value of each commodity is determined by the labor time it took to produce it in that society. What determines value of anything is the amount of labor socially necessary in its production. If product exchange at the amount of labour time socially necessary in their production then it would mean that the worker should be paid the value of their labor, the value of the commodities they create, but then where does product come from? How do capitalist makes money? Well capitalists are only interested in making profit, and they make it from surplus value. The capitalist does not purchase labor but labor power; the ability to labor possessed by most people. Labor power has a value like any other commodity. The value power is determined by the cost of subsistence, the money needed to buy all the products that the worker needs to reproduce their labor power. The capitalist pay other capitalist for the value of an intermediate good and equipment purchases from them, but the worker was only paid the value of the good and services in that a working class family needed to get by. This of course is considerably less than the value that the worker imparted to the products. The capitalist starts with a capita l, that is money then purchases raw material and labor, paying the value of each, then sells the product of its value, then takes that profit and starts over again purchasing the same thing over, (M-C-M). This is how commodity turns their money into capital, giving raise to The Labor theory, which says labor is what determines the value. Marx says that we fetish money, worship it, we give this object of power that it really doesn't deserve and in the process of making money capitalist exploits the worker, working them longer hours and less pay. The capitalist works the laborer longer hours and pays him less money. The capitalist makes a profit by the surplus value that is produced by the labour. If it took 40 hours to produce raw materials, and 30 hours direct labor, its value will be an equivalent amount of 70 hours of labour, but the worker puts in a 10 hour day even though it only takes 6 hours to produce a product, therefore the capitalist profits 4 hours each day, giving the capitalist his surplus value. Which gives him profit? 2) According to Freud, what accounts for the fundamental unhappiness of humans within civilized life? Is Specific in tracing his argument regarding the nature of civilization, what comes to oppose it and own civilization defends against this opposition? Freud believed that real happiness does not exist in a civilized life because there are forces that