Penguins (966 words) Essay Example For Students

Penguins (966 words) Essay Penguins==================================================Penguins: the eyes have it!LIFE SCIENCESMyopic little men in tuxedos, or highly efficientland/water animals? Recent research indicatestheres more to penguins than meets the eye. If youve every wondered what it would be like tobe able to see as clearly under water as you can onland, just ask the nearest penguin.Most aquaticanimals are short-sighted on land. Mostterrestrial animals (and that includes us) arefar-sighted under water. But researchers havediscovered that penguins can apparently see equallywell in both environments, because of the uniquestructure of their eyes. Penguins have to be able to see well under waterbecause their diet consists mainly of plankton,molluscs, crustaceans, and the inevitable fish. We will write a custom essay on Penguins (966 words) specifically for you for only $16.38 $13.9/page Order now Through a special slowing-down of their heart ratetheyre able, like many other diving animals, tostay submerged long enough to search out and chasewhatever catches their fancy. On dry land, its a different story-or has been upto now. Waddling along on their flat little feet,eyes fixed intently on the ground, penguins appearmyopic, inefficient and generally out of place. In fact the reverse is true. During a recent stayon the Falkland Islands, a Canadian researcherdiscovered that penguins are able to recognizeindividuals and navigate the rocky terrain on whichthey live quite well. Long of body and short ofleg, they probably poke their heads forward as anaid to balance. And as for looking at the ground,theyre merely-like us-keeping an eye on wheretheyre going. The human eye is adapted for aerial vision, whichis why scuba divers-or even you and I in the localswimming pool-must wear goggles or a face mask tore-introduce air in front of our eyes in order tosee clearly. Among vertebrates in general, the bird eye isfrequently described as the most efficient. Itssuperior quality, combined with the fact that alarge number of birds-cormorants, pelicans,seagulls, even ducks, as well as penguins-get theirfood from water, obviously deserved research beyondthat possible in a controlled environment such asan aquarium or zoo. Professor Jacob Sivak of theUniversity of Waterloo and his associate, ProfessorHoward Howland of Cornell University, had a chanceto do that research recently. Their trip had butone purpose-to study the structure of penguinseyes while observing their natural habitat. The Falkland Islands, off the coast of Argentina,offered this opportunity, being one the few areasoutside Antarctica where penguins can be found inlarge numbers. Three of the 16 known species werelocated there: the Gentoo, which live on flatareas right off the beach; the Magellan (alsocalled Jackass), which live in burrows; and theRock-hoppers, which live among the rocks along thecliffs. The Rock-hoppers were by far the most common,having a population of well over 100,000. Thegeneral rule is, the smaller the penguin, themeaner the temperament, and the researchers didwitness the odd fight. Their flippers may lookpretty useless out of water, but its not smart toplay around with a penguin. Helll stand hisground in a face-off and if youre foolish enoughto get too close, those flippers can knock youflat. Dr. Sivak and his associate, however, had littletrouble. Rock-hoppers always congregate in fairlytight groups, as a defense against predatory birdssuch as the skua (a large seagull that thinks itsa hawk), and two more upright figures in theirmidst didnt seem to bother them. Standing as close to their subjects as 0.3m, thescientists used two devices: one, developed byProfessor Howland, to take photographs of thepenguins eyes; the othger, developed by Dr. Sivak,to shine a series of concentric circles on thecornea and give a measurement of how reflections ofobjects are altered by curvature of the eye. .u5dabfe9c96d7e18c4740bd2d43bc3130 , .u5dabfe9c96d7e18c4740bd2d43bc3130 .postImageUrl , .u5dabfe9c96d7e18c4740bd2d43bc3130 .centered-text-area { min-height: 80px; position: relative; } .u5dabfe9c96d7e18c4740bd2d43bc3130 , .u5dabfe9c96d7e18c4740bd2d43bc3130:hover , .u5dabfe9c96d7e18c4740bd2d43bc3130:visited , .u5dabfe9c96d7e18c4740bd2d43bc3130:active { border:0!important; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .clearfix:after { content: ""; display: table; clear: both; } .u5dabfe9c96d7e18c4740bd2d43bc3130 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u5dabfe9c96d7e18c4740bd2d43bc3130:active , .u5dabfe9c96d7e18c4740bd2d43bc3130:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .centered-text-area { width: 100%; position: relative ; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u5dabfe9c96d7e18c4740bd2d43bc3130:hover .ctaButton { background-color: #34495E!important; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u5dabfe9c96d7e18c4740bd2d43bc3130 .u5dabfe9c96d7e18c4740bd2d43bc3130-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u5dabfe9c96d7e18c4740bd2d43bc3130:after { content: ""; display: block; clear: both; } READ: The Metamorphosis EssayDespite the fact all the work had to be done atnight-the only time the penguins pupils weredilated enough-the results were worth it. Comparison of the photographs with similar photosof human eyes, and study of the internal structureof the eyes of creatures discovered killed by seallions, proved the scientists theory that thepenguins eyes are the secret of its survival. In general terms, a penguin eye and a human eye arealmost identical. Both have the same componentsnecessary for vision-a cornea through which lightcan enter; an iris which controls the amount oflight that enters; and a crystalline lens thatfocuses the light onto the back of the eye where aspecialized membrane, the retina, receives it andpasses the message along the optic nerve to thebrain for interpretation. In the penguin eye, hoever, there are many subtledifferences. The cornea, for example, is markedlyflattened compared to ours so much so that italmost resembles a window-pane. This greatlyalters the angle at which light can enter the eyeand is very important for underwater swimming, whenlight enters the eye obliquely through a medium(water) whose density is quite different to thedensity of air. The penguin iris is controlled by a very powerfulmuscle which is able to drastically alter the shapeof the lens attached to it, depending on whetherthe penguin is in or out of the water. The lens,comparatively larger than ours and differentlyshaped, focuses the light coming through theflattened cornea onto the retinal body at the backof the eye. In this way, the penguin eye adapts towhatever medium it happens to be in at the time. Interestingly, there was no evidence of eyeproblems (apart from one incident of blindness dueto injury) in the group of penguins studied. Ofcourse penguins dont read, watch TV or encounterany of the numerous irritants we land-bound animalssubject ourselves-or are subjected-to during ourlifetime. Both the testing devices and methods used in thisstudy are easily adaptable for use with human eyes,paving the way for fast, easy identification of eyeproblems. Also, the researchers hope that theinsights theyve gained into how animals deal withtwo environments may lead to knowledge of how humans,in the future, might do likewise. ==================================================PENGUINS (C) 1987 Ontario Science Centre. May be duplicated for use on other informationservices with permission. ==================================================

Oedipus The King Essays (561 words) - Oedipus The King, Oedipus

Oedipus The King In Greek mythology the oracles or gods are rarely wrong in their predictions of the future. Yet the characters still try to fight the predictions. Do their personalities and traits decide their future, or does fate take its course no matter what? Oedipus was a shrewd man furnished with wit and intellect, yet his lack of insight (the ability to see and understand clearly the inner nature of himself) and his arrogance led to his demise, not fate. Oedipus's aret? (an exceptional ability or gift) was unravelling riddles, and solving any puzzles with ease. He had a surplus of the aptitude to look outward, but unfortunately he had a deficiency of the ability to look inward. This talent of looking outward made him renowned for deciphering riddles and mysteries. Yet when Tiresias appears and speaks in riddles, Oedipus cannot solve them because of his lack of insight. Tiresias's riddles are clear in what they state, but Oedipus cannot understand them because he doesn't know himself well enough. Tiresias conveys, All ignorant! And I refuse to link my utterance with a downfall such as yours.(Pg.42) At this point in the play, Oedipus still cannot perceive who the murderer of King Laius is, even though the riddle is obvious. Oliver 2 Oedipus has the ability to comprehend the riddles, but he won't allow himself to accept the truth. When Oedipus saved Thebes from The Sphinx, he answered this difficult puzzle. The Sphinx demanded, What creature is it that walks on four feet in the morning, on two at noon, and on three in the evening? With his eminent mastery of riddles and having an open mind, Oedipus replied, It is Man. As a child he crawls on four. When he grows up he walks upright on his two feet, and in old age he leans on a staff.1 This puzzle is far more complex than Tiresias's rudimentary riddles, so Oedipus has the ability to solve the riddles but cannot let himself do so, because of his pomposity. Oedipus is so arrogant that he can't believe that he could possibly have done anything wrong. He suffered from the sin of hubris. That is, he was very vain, and conceited. No matter how straightforward Tiresias's riddles were, Oedipus's pride wouldn't let him solve them. Finally, Tiresias came right out and said what he meant without a riddle, and Oedipus still couldn't accept that he did anything wrong. Tiresias simply stated, I say, you murdered the man whose murderer you require. (Pg.37) Following that remark from Tiresias, Oedipus shielded himself by accusing his brother in law, Creon (his uncle in reality), of forcing these insinuations from Tiresias. Of course, this wasn't true, it was just a classic example of Oedipus's arrogance trying to defend itself. Oedipus's expiration was caused simply because of his arrogance and his lack of self knowledge. He didn't understand himself well enough. He could unravel any mystery besides Oliver 3 his own existence. All of his life Oedipus had solved mysteries and puzzles about subjects other than himself. Now that he was faced with riddles accusing him of something, his own arrogance kept him from the truth. Oedipus would have solved Tiresias's riddles instantaneously if it weren't for his pride, and lack of insight. Finally, the truth is forced on Oedipus with outstanding evidence, presented by the messenger, and the shepherd, so he must accept his destiny. Was he not able to solve Tiresias's riddles because his arrogance wouldn't allow him to, or did he recognize the answers immediately, his vanity not allowing him to acknowledge the truth?

Amelia Earhart essays

Amelia Earhart essays The person I chose to do my paper on was Amelia Earhart. I wanted to research this persons life because I had studied a little bit about Amelia in my previous history classes and I always wondered about what happened to Amelia on her last flight. I thought Amelia was a very brave woman. She never backed down from breaking history and she did break history a few times. I think she was an independent woman who wanted to make a name for herself. After I did my research on her I found out that she was the first woman to fly solo across the Atlantic Ocean. She also was note scared to attempt the flight around the world. Unfortunately she disappeared on this flight and no one ones what happened to her. Amelia Mary Earhart was born on July 24, 1897. She was born in her grandparents' home in Atchison, Kansas. Amelias grandfather, Alfred Otis, was a much respected citizen of Atchison. Her mom, Amy Earhart, had a miscarriage in her first attempt at a child so she wanted to go back and give birth to Amelia at her parents house so if she got another miscarriage her parents could help console her. Amelias father, Edwin Earhart, who owned a law practice in Kansas City, decided to stay in Kansas City during the birth. I found this weird because why would the dad not go with the mom when they were about to have a child. He needed to run the business though so he stayed behind. Two and a half years later Amelia had a sister. Her name was Muriel. (Earhart 1) Both Amelia and her sister Muriel developed nicknames when they were young. Amelia was called Mille and her sister was called Pidge. They were also lucky girls for the time period they grew up in. Amelias grandparents were rich. Amelia was able to attend private schools and was able to live a nice life. Her grandfather never liked her dad because he thought Edwin didnt provide for the family. Edwins practice did fail, but h...

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buy custom ECS essay ECS (2010) asserts that bilingual education is a mode of teaching entailing students who are language-minority in public schools. The notion here is that coaching English Language Learners (ELLs) partly in their native language will promote their comprehension of the curriculum and aid them achieve in an otherwise English-based setting. The anticipation is that ELL students can go on with their education in classes together with their English-speaking counterparts when they become fairly proficient in English. The ELL program ensures that students are subjected a satisfactory program until they are in a position to write, read and understand English well enough to partake meaningfully in all elements of schools curriculum (ECS, 2010). There are different programs that schools use to engage ELL including ESL/LEP, dual-language immersion, and transitional bilingual education. This paper will therefore discuss ESL/LEP, the challenges and the effects of this approach on academic and soci al aspects of the students. Additionally, the paper will talk about the measures in place to correct the issue. In ELLS, the initials ESL stand for English as a Second Language meaning English learned in a setting where predominantly, English is the communication language. On the other hand, LEP stands for Limited English Proficient, a phrase used to refer to English language learners using English as their second language. An LEP student is the one who is not totally English proficient, speaks another language at home as opposed to English, and does not exhibit English language comprehensions skills, writing, reading and speaking at a position that would put them in a mainstream, English only environment (ECS, 2010). The chief focus of an ESL program is teaching students in the English languag. Students of diverse languages may be included in a class, entirely getting intensive instructions. In most cases, the language of instruction is English entailing little or no absence of native language of ELL. ESL is normally taught within a particular school session, and students participate in other bilingual, immersion or mainstream classes through the day. Challenges of EPL and How It Affects Students Academically and Socially There are a number of challenges that face student in an ESL/LEP program and the students within in it in general. First of all untrained teachers are frequently unable to identify high potential indicators within traditional populations. This difficulty as ECS (2010) reports is multifaceted with language minorities. This affects students academically in a negative way as their academic needs are not adequately taken care of. The social implication is that there underperformance may make them feel isolated and lower their self esteem. Secondly, most of these students are from poor families hence their level of formal education and poverty are thought to affect their academic achievement and performance. According to researches, students from families that are limited English proficient are 12 more likely to have completed less than five years of schooling than English-proficient students (ECS, 2010). Additionally the likelihood of LEP students to live in poverty is 50 %, hence both the socioeconomic status and longer learning years negatively affect the academic and social well being of the students. Another obstacle experienced by ESL/LEP school principals and students is segregation. Studies indicate that from 1991 to 1992, approximately 73% of Hispanic students attended secondary and elementary schoolss with tremendous enrollments of minority students. This figure represents an 18% increase from 1968-69. 38 % of Hispanic students got enrolled in schools with at least 90% minority students in 2000. Additionally, 77% of this group was enrolled in schools where minorities entailed more that 50% of the population. Furthermore primary LEP students have two times high chance of attending inner-city schools made up of high concentrations of minority and poor students (Crawford,1997). Another challenge is inappropriate placement and assessment of LEP students. Historically, this there has been overrepresentation of this group of students in classes of special education due to improper LEP students placement and assessment (ECS, 2010). Failure to properly address this issue has facilitated a failure to realize the academic potential of LEP students, making their scores to be often artificially low. LEP students will also lack friends because of the belief that they are academically challenged. Another challenge relates the parents English skills. There a big percentage of language minority students stay in households where there is no one who can fluently speak English, over the age of 14. This is a big problem as there is no one at home to help them perfect in their English speaking skills. Communication with others in school becomes a problem and also there is a problem in understanding subjects taught in English (ECS, 2010). Lastly, language diversity in schools is also another issue facing LEP students. Most schools having LEP students, who enrolled recently, face problem of school community and staff being insufficiently trained to efficiently educate language learners. The students face hardships in their academics due to inadequate coaching. Buy custom ECS essay

Food and beverage manager Research Paper Example | Topics and Well Written Essays - 750 words

Food and beverage manager - Research Paper Example Professionalism and efficiency are some of the attributes of a good food and beverage manager. This paper will analyze the food and beverage manager in the context of the required education and skills, his duties and responsibilities, his remuneration, and other job opportunities available for him. Food and beverage managers require great customer skills and management skills in their course of work. Hence, for one to become an efficient food and beverage manager, the following minimum qualifications are necessary. One must have completed secondary school level with a least  NCEA Level 2. A good foundation in mathematics, accounting, and languages is useful. They should also possess a diploma or degree in business and restaurant management or tourism. They should also be above 18 years of age. Experience in progressive management, fine dining and special event catering, budgeting, and operational financial management accountability are prerequisites. Any experience in cooking, business administration, and working in work in kitchens, bars, and restaurants is a benefit. In fact, two years experience is required before a person qualifies as a food and beverage manager. Since this job involves public and individual relations with customers, it requires good communication skills , conflict resolution, excellent customer service orientation, and good organisation skills. Additionally, since it involves supervision and communism, experience in a union environment and good leadership skills are significant. Similarly, one needs to be flexible in his decisions and easily adapt to eminent changes since this is a dynamic industry. Because the job entails controls and budgeting, skills in inventory management are basic. They should also posses the ability to multi-task and work under pressure since customer levels keep changing (Bureau of Labor Statistics

Toumin Essay-Baseball players using steroids should be banned Essay

Toumin -Baseball players using steroids should be banned - Essay Example One of the fundamental lessons and guidelines that kids are taught include saying no to drugs. However, in various sports publications and reports, the public has been made aware that the role models, Major League Baseball (MLB) players were reported to violate rules by using steroids that can damage the game and themselves repeatedly. In this regard, one contends that professional baseball players who use steroids should be banned from the game. MLB has faced and dealt with many issues in regards to players violating rules and policies resulting in suspension. However, players have been banned from baseball for serious offenses. For example, Pete Rose, former manager of the Cincinnati Reds and the all-time Major League leader in hits, was banned from baseball for gambling; and ultimately banned from the Hall of Fame (PETE ROSE STILL BANNED FROM HALL OF FAME). Marge Scott, former owner of Cincinnati Reds, was banned from baseball for saying racist slurs about African Americans and homosexual comments. Ferguson Jenkins, former Texas Rangers player, was banned for having possession of drugs trying to clear U.S. Customs. If these individuals mention were banned, the use of steroids, which is a greater offense, would ultimately be prevented through eliminating all players proven to have used it in the game. In an article written by Sari (2010), sports players are predominantly identified to manifest prolific use of anabolic androgenic steroids (AAS), noted to have been synthetically obtained from testosterone, â€Å"the sex hormone that stimulates development of male sex characteristics and growth of muscles and bones† (68). Steroids were also reported to include performance enhancing drugs (PEDs) which likewise encompass human growth hormone (HGH) (Schmotzer, Kilgo and Switchenko). The reasons for using non-therapeutic

The Falling Standard of English in Malaysia Essay Example for Free

The Falling Standard of English in Malaysia Essay I have recently conducted survey about the falling standard of English in Malaysia. The results of the survey are seriously disappointed. Especially the younger generation nowadays, I found they are hardly speak and can’t even pronounce the terms properly and correctly. However there’s only a small number of Malaysians communicate well in the language and many of them are from the older generation where they were schooled in the English medium.. They have an idea that we are living in Malaysia and why should we learn English instead of Malay. Actually all sciences subjects in Malaysia suppose to be in English. However now the students in form 4 have to learn all the sciences subjects in Malay. These leading them unable to catch up in their studies because previously they were learning all those subjects in English. The switching in languages not only causing the students poor in their academic performances but also making them suppose the Malay is much more important than the English. Soon, English is no longer using in their daily lives. The cause of falling standard of English between the Malaysian is there are too many ethnic in Malaysia with different lauguage to communicate with each other. They more prefer to speak their own lauguage at home such as bahasa Malaysia,  chinese ,Tamil and others. It is the main reason why Malaysian always can’t hold a good English to communicate with other. I also realise that the younger generation in the rural area do not realise the importance of english until they started to working. They even feel regret when they are going to interview as they can’t speak a complete sentence to their boss. Eventually they fail to get their jobs. Some of the younger generations do not have a good attitube to study the english. They always adopt the way ‘l don’t care’ on their study. As a result , they have a broken english and can’t do a good communicate with each others . Due to the falling standard english in Malaysia , it brings lot of effects to the development of the country in the future. Someone who do  not master their English well, he will find it difficult and less confident to talk to others. Thus, they can’t communicate well with each others and then the standard of English between the malaysian are going downhill. For those students do not study English well, they will find it difficult on their study especially the subjects that was in English . They can’t do their homework because they don’t understand what the questions enquiry. They will out of step of the study even affect their education on the future. Nowaday, English occupy a lot of importance in the country. The 2nd generation without mastery  the English well, they will fall in social backend. Due to more and more things to English, the 2nd generation without master english will be end up with a tragedy.   I have found out some possible solutions to solve the problems. First of all, we need to keep reading.Reading can be a good habit but also a good way to increase the vocabulary. There are more and more reading materials spawn in the Malaysia , such as news, magazine, novel and others. The younger generation can study through the reading material to improve their poor English step by step. Besides, the government should encourage the citizens to study English well even though it was tough from the beginning. The government can make the English as a compulsory subject to pass, then the students may work harder on it and then the students can master their English well. The students’ parents should have open-minded to give a chance for their children to study english even though they do not master English well before. Parents can study together with their children without feeling shame because learning regardless of age. Through this way, the English standard will absolutely improve. Be best friend with a good English dictionary, it may help to improve English with obvious improve. Buy a dictionary and keep it next when  reading .When stumble upon a word don’t know , just looking in the word up the dictionary beside . It has a lot of challenge when to make a changes of the falling standard of English in Malaysia. It is difficult for the government  to make a whole new change in the syallabus as there are a lot of procedures to have be done. For example, they have to get approval from the schools , citizens and so on. The sudden change in syallbus also cause a lot of problems to the students. Most of them might fail their examinations. Eventually they might feel upset and give up the subjects. A good study environments should without stress and enjoyable.The governments should focus on the kindergarden and the primary schools. Build up a strong basic for the kids. Soon when they get to secondary school and college, there should’t be a problem for them. In a nutshell, English is considered as one of the most important languages in the world. English had been playing a major role in many sector in Malaysia.If we know English we never feel tongue tide in front of others. So, learning English from now onward the government and citizens should cooperate in order to achieve the coming 2020 which is stated by former Prime Minister of Malaysia, Mahathir bin Mohamad.