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The Y2K Problem

... When did you graduate? Class of '76.) Unfortunately, when the calendar rolls over from 1999 to 2000, such systems will not have the contextual smarts to process our shorthand dates correctly. Some of these computer systems will produce obviously silly results, good for a laugh at the office. Some will produce subtle errors that may be passed on, undetected at the source, in an ever-expanding circle of bad data. And some systems will stop working altogether. How might systems fail? Let's look at an example program in which the omitted cen ...

Number of words: 770 | Number of pages: 3

Geography Reading Project (timeline)

... back in time to the site he is working on to see how it was when it was built. But something goes horribly wrong and the professor does not return on time and at the site the other archeologists find a scroll that is from the professor but is dated form the 1400’s this all seems very mysterious. One of the representatives form the company that sent the professor back in time goes to the site in Scotland and explains what’s going on to all the other of archeologists and asks for a few volunteers to go back and bring the profes ...

Number of words: 1145 | Number of pages: 5

Iron Increases Heart Disease

... in western society (McCance and Huether, 1994). The purpose of this literature review is to investigate research dealing with the subject of increased serum iron levels and the prevalence of CAD. Medical journals were primarily used for research data due to the nature of the subject and the need for in-depth analysis. While it has the highest prevalence of any disease, women experience only 30-50% of the coronary artery disease incidence and mortality of age-matched men (Meyers, 1996). Many feel that this may be due to the protect ...

Number of words: 789 | Number of pages: 3

PCR And Its Use

... technique used in the clinical microbiology lab to detect pathogens. It relies upon amplification technology utilizingthe heat stable DNA polymerase from a thermophilic organism." (from http://www.genes.com/pcr/pcrinfo.html) Dr. K.Mullis recently received the Nobel prize for inventing the technique. This is how they go about doing this: They first get their small DNA sample. Then they mix all the chemicals (this includes the primer, etc). Then they have to run it through the PCR machine. Here is a (rather detailed) description of the proc ...

Number of words: 773 | Number of pages: 3

Cannabis Sativa

... hemp are the same plant , marijuana is the type grown for use as drug, while hemp is very low in THC and is not considered a drug.) Plant also produces 40% more oxygen than any other plant. Marijuana is the most widespread drug in the world, if only hemp could be the most widespread crop in the world. Marijuana is a plant, with the botanical name of . Marijuana is a weed that grows wild and is cultivated in many parts of the world. Containing 419 chemicals, this plant has the ability to intoxicate its users, primarily because of the psy ...

Number of words: 2887 | Number of pages: 11

Egyptians

... the evidence found in ancient wall paintings and carvings, and the sculpture and buildings found in many different parts of the world. All over Europe and South America there is evidence left behind by the ancient people of these great civilizations.par tab First, a look at whether there is or could be intelligent life on other planets. It is conceivable that we world citizens of the twentieth century are not the only living beings of our kind in the cosmos. Because no alienspar from another planet is on display in a museum ...

Number of words: 1583 | Number of pages: 6

Cloning 8

... a complete individual. Another type of asexual reproduction found in all animals, human beings included, is the formation of identical twins, triplets, and so on. Identical siblings constitute a clone. The growth of a tumor in the body of an individual is, in effect, the formation of a clone of malignant cells. Humans have learned from nature and started their cloning saga also. In one method of artificial cloning used in plant breeding, cells are cut from a plant and placed in a flask with a nutrient medium. The cells grow and divide, f ...

Number of words: 1212 | Number of pages: 5

Acid Rain

... fossil fuels rise into the atmosphere and combine with the moisture in the air to form . The main chemicals in air pollution that create are sulfur dioxide and nitrogen oxides. usually forms high in the clouds where sulfur dioxide and nitrogen oxides react with water, oxygen, and oxidants. This forms a mild solution of sulfuric acid and nitric acid. Sunlight increases the rate of most of these reactions. Rainwater, snow, fog, and other forms of precipitation containing those mild solutions of sulfuric and nitric acids fall to the earth ...

Number of words: 3390 | Number of pages: 13

Ivf - In Vitro Fertilisation

... The woman receives hormone injections (Human Menopausal Gonadotropin and recombinant Follicle-Stimulating Hormone) to stimulate development of the ovarian follicles which contain eggs. Frequent blood tests are taken to monitor hormone secretion from the ovary and pituitary gland. - When eggs are ripe, they are retrieved by transvaginal needle aspiration, guided by ultrasound. At the same time, semen samples from the husband (or donor) are obtained. The most active and healthy sperm are selected by forcing them to swim through a cultu ...

Number of words: 1069 | Number of pages: 4

Ebola 2

... body fluids. Members of the surgical team then developed symptoms similar to those of a viral hemorrhagic fever disease. The Ebola Zaire in Kikwit spread quickly, but investigation and control of the outbreak come from a combined effort of medical teams from the U.S. Center for disease Control and Prevention (CDC), the World Health Organization, and from other health organizations in Belgium, France, and South Africa. Since July 1, 1995, 233 deaths have been reported among the 293 cases, in Africa (Garrett 195). Since 1976, researchers hav ...

Number of words: 987 | Number of pages: 4

Alkanes

... Because, of course, this is the gas that cows belch. The journal of toxology report that a 15 year old boy was stricken with hemiparesis "resulting from acute intoxication following inhalation of butane gas." Hemiparesis is when half of a person's body is paralyzed. Through reactions alkanes can be transformed into chloroform. This has been shown to accumulate in lungs of swimmers after they swim for extended periods of time. As mentioned above chloroform can be produced which can be used for anesthesia. Also dichlorometh ...

Number of words: 362 | Number of pages: 2

The Greenhouse Effect

... in which a greenhouse traps heat, hence the term. Environmental scientists are concerned that changes in the variable contents of the atmosphere (particularly changes caused by human activities) could cause the Earth's surface to warm up to a dangerous degree. Even a limited rise in average surface temperature might lead to at least partial melting of the polar ice caps and hence a major rise in sea level, along with other severe environmental agitation. An example of a runaway greenhouse effect is Earth's near-twin planetary neighbor ...

Number of words: 604 | Number of pages: 3

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