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Essays on Science

Animal Research
Download This PaperWords: 1139 - Pages: 5

... one of many investigative techniques available. We believe that although animal experiments are sometimes intellectually seductive, they are poorly suited to addressing the urgent health problems of our era, such as heart disease, cancer, stroke, AIDS and birth defects." He goes on further to say that animal experiments can not only mislead researchers but even contribute to illnesses or deaths by failing to predict any toxic effect on drugs. The majority of animals in laboratories are used for genetic manipulation, surgical intervention or injection of foreign substances. Researchers produce solutions from these animal "models" and are adapting them to human ...



The Importance Of Insects
Download This PaperWords: 508 - Pages: 2

... bees, gather pollen as food for themselves, but in doing so, great amounts of pollen collects on their hairy legs and body and it is transferred to a female structure and more plants are on the way. Many plants rely on insects so greatly that they have evolved around them. None of the vibrant colors in the garden were created for your pleasure, nor was the smell of such plants as the roses, in actuality these beauteous pieces of nature we call flowers use sight and smell as attractants for the bees. Plants advertise themselves to who they want to be pollinated by. For instance, some plants such as the honeysuckle and tobacco only give off their potent sce ...



Adamantane
Download This PaperWords: 2393 - Pages: 9

... decaterpene in 1924, but that was all it was until 1933 when the structure was proven to exist. Isolated in the petroleum of Hodinin, Czechoslovakia by Landa and Machachaeck, decaterpene became incarnate.3 However, the fact that they found the structure Decker predicted did not mean that his nomenclature would be used to identify the compound. That honor was bestowed upon its discoverers Landa and Machcahcaeck who used the Greek translation of diamond, , to identify the compound.2 Crude petroleum is separated into its component compounds by fractional distillation. The procedure involves a sample of the petroleum to be heated until the sample is vaporized le ...



Acquired Immune Deficiency Syndrome
Download This PaperWords: 736 - Pages: 3

... and HIV are two different viruses, but HIV well eventually turn into AIDS. About half the people with HIV develop AIDS within 10 years, but between infection with HIV, the onset for AIDS can vary greatly. The severity of the HIV related illness or illnesses will differ from person to person, according many factors but mostly to the overall health of the individual. The new advances in technology are helping postpone the advancement of the disease. Lets start at the beginning. First, lets learn what AIDS is. AIDS is an acquired defect in your immune system. The passing of any bodily fluids could technically be used as a passage way for the virus. Once inf ...



Diamonds
Download This PaperWords: 477 - Pages: 2

... heat and radiation. Another reason is that 99.5% of a Diamond is Carbon and the rest are different trace elements. These 0.5% of elements are the reason why a Diamond has different color shades. For example Nitrogen causes it to have a yellow tint , and Boron a blue shade. The pink color in some are thought to be caused by deformation of the atomic structure of the diamond crystal. A pure Diamond , which would be 100% carbon, is colorless were created million years ago, when the earth was formed, the material experienced pressure of 5million times the atmosphere at sea level and temperatures between 1000~1200degreesC. These conditions caused carbon in the la ...



Genetic Engineering And Its Fu
Download This PaperWords: 1735 - Pages: 7

... Of course, if you believe using animals for scientific research is morally wrong that's your belief, I am stating that genetically enhancing them to be better research specimens is not unethical. My reason behind this is that we don't just do research in order to infect and kill off the mice, we do it so one day we will have a cure for cancer and can save hundreds of thousands of human lives. Of course if you value the life of a mouse over a human then you would see differently. Some fear that this science is too powerful, granted we shouldn't let just anyone be able to modify bacteria, or the human genome, but we shouldn't let our fears blind us to the possible ...



Cdr
Download This PaperWords: 2571 - Pages: 10

... to the reproduction of copyrighted material. This has started to have a negative economical effect on the music industry. I will address the issue of piracy later in this report. CDs have become a cost effective industry standard when it comes to storing data. Some terms that you will encounter throughout this report are:  CD-ROM – Compact Disk Read Only Memory, (non recordable CD)  – Recordable Compact Disk  Floppy disk – a square 3 ½ inch disk, with a capacity of 1.4mb  Cartridge – A high capacity form of storage, slightly larger than a floppy disk  Byte - The way that data is measured  MB – megabyte, (1,000 b ...



Lung Cancer 3
Download This PaperWords: 1428 - Pages: 6

... cells are dividing at a rate excess of normal division the cells form a tumour. The crowded cells fail to stop dividing until they push everything out of place. If the tumour is benign it will enlarge only at the site where it began. However cancerous tumours can invade and destroy. One of the reasons that cancer needs to be caught early is because it will spread. Cancerous cells lack the sticky coating that causes normal healthy cells to stay together because cancerous cells lack it they can break off and implant somewhere else in the body. The cancerous cells that break off from the primary tumour are usually carried through the blood. What causes cancer cells ...



Ebola Virus 3
Download This PaperWords: 476 - Pages: 2

... cause of this deadly virus. There was nothing else the doctors could do. So had no other choice, but to let the victims already struck with Ebola, suffer in pain and eventually die. In these two nations, a reported total of five hundred fifty cases of those who have been infected with Ebola, three hundred forty people did not make it. For a few years, there were no reported cases of the Ebola virus. Without warning, the Ebola appears and sweeps through Sudan, once more. This time there were only thirty four cases, but took the lives of twenty two patients. All of the victims of Ebola probably ask the same questions, “ God, what did I do to deserve this? R ...



Biology 2
Download This PaperWords: 516 - Pages: 2

... one purpose such as crawling, or moving without flight. The hypothesis that was being implemented was that "the wing is expected to have design features that allow both powered flight and the generation of violent jumps." The Demodus rotundus demonstrates intricate movements including flight-initiating jumps and because of this the wing is expected to be engineered for the ability to jump (to initiate flight) and also powered flight. The prediction that was made for this experiment was that this experiment would follow the results that were observed by Altenbach in 1979, and 1988. That is, that the bat would indeed initiate its flight with a jump. The tests ...




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