Papers on Science and Environment
Angina
Words: 801 - Pages: 3.... of coronary artery disease, the same disease leading to heart attacks. Coronary artery diseas refers to those syndromes caused by blockage to the flow of blood in those arteries supplying the heart muscle itself, i.e., the coronary arteries. Like any other organ, the heart requires a steady flow of oxygen and nutrients to provide energy for rmovement, and to maintain the delicate balance of chemicals which allow for the careful electrical rhythm control of the heart beat. Unlike some other organs, the heart can survive only a matter of minutes without these nutrients, and the rest of the body can survive only minutes without t .....
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Herpes
Words: 746 - Pages: 3.... but is however very harmful to a newborn. It can sometimes be difficult to distinguish whether or not someone has been exposed to the other form of , genital . This is because there are very often no symptoms that go along with the virus. This is not always the case though and when symptoms do occur they are often seen as a cluster of blister sores, usually on the vagina, vulva, cervix, penis, or anus. For genital , symptoms may last several weeks, go away but only to return again weeks, months, or even years later. Symptoms may also include pain in the infected area, itching, burning feeling if urine flows over sores, and possibly an i .....
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Twinning In Cattle
Words: 2067 - Pages: 8.... Producers will increase their income due to more
weight per year per cow. It is necessary ;however, that the producer be well
educated on how to handle twinning, in order for it to be successful for them.
Many agencies see twinning as an economic move upward. The American
Breeder Service has made efforts to produce semen as well as embryos with high
predicted breeding values available to producers. They have been recorded based
on twinning probabilities and ovulation rates. A large amount of work on
twinning has also been done by the Meat and Animal Research Center. Since the
early eighties, they have located cattle with a high frequen .....
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Cloning 7
Words: 611 - Pages: 3.... may be the potential dangers. For example, the introduction of
cancer-causing genes into a common infectious organism, such as the
influenza virus, could be hazardous.
We have come to believe that all human beings are equal; but even more
firmly, we are taught to believe each one of us is unique. Is that
idea undercut by cloning? That is, if you can deliberately make any
number of copies of an individual, is each one special? How special
can clones feel, knowing they were replicated like smile buttons. "We
aren't just our genes, we're a whole collection of our experiences,"
says Albert Jonsen. But the idea, h .....
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Computer Mediated Evnvironment
Words: 5150 - Pages: 19.... the exponential growth of applications of the Internet, most notably the World Wide Web (WWW).
With increased penetration of computers, particularly multi-media computers equipped with CD-ROM drives and modems, subscription-based services such as America Online (AOL), Prodigy, and Compuserve, where consumers are able to check airline flight schedules and make reservations, purchase a wide variety of products, and discuss product performance with other consumers, are becoming very popular. Households in Chicago and San Francisco can purchase groceries from home using computer software marketed by Peapod, Inc. This latter service allows c .....
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Computers-how They Affect Our Lives
Words: 2405 - Pages: 9.... beads are moved along the wire according to "programming" rules that the user must memorize, all ordinary arithmetic operations can be performed. The next innovation in computers took place in 1694 when Blaise Pascal invented the first "digital calculating machine". It could only add numbers and they had to be entered by turning dials. It was designed to help Pascal's father who was a tax collector.
In the early 1800's, a mathematics professor named Charles Babbage designed an automatic calculation machine. It was steam powered and could store up to 1000 50-digit numbers. Built in to his machine were operations that included everyth .....
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Biomechanics
Words: 617 - Pages: 3.... The American Society of (ASB) held a meeting at Clemson University of 1997 in order to develop a sports prosthesis that would stand up to every day flexing of the knee for performance in sports.
In order to develop this prosthesis they had to go through two main phases, the analysis of a jogger wearing a standard walking prosthesis and computer simulation of the flexing of the knee on this walking prosthesis. They had to measure rotation, weight bearing, moments, and the stress of the joints acting on this limb. After the mechanical actions were mapped out they had to use many mathematical equations to spring force and spring stiff .....
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Robert Wright's Article "The Evolution Of Despair"
Words: 825 - Pages: 3.... of
life's pointlessness or beset for days by unresolved anxiety; whether
deprived by long workweeks from quality time with offspring or drowning in
quantity time with them β whatever the source of stress, we at times get
the feeling that modern life isn't what we were designed for" (1).
Everyone, at some point, has experienced the feelings that Wright
describes. And with the pronoun βwe' Wright tells his readers, βYes, I
have been through the same things.' This sort of statement is like a token
of good will. The readers feel that Wright understands their plight and
thus are more likely to listen to what he has to say. .....
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Lab Protocols
Words: 473 - Pages: 2.... set experiment.
The fourth rule is that you should not leave your experiment unattended
whether you think it is dangerous or not. This rule is completely self
explanatory for safety purposes.
The fifth rule is to be extremely careful with equipment. Not only for
money purposes but also for your own personal safety.
The sixth rule is to not touch anything that the teacher or the lab
specifically instructs you to. Because you don't need to.
The seventh rule states that activities should only be done if they are
specifically discussed in your lab. This is for safety purposes and for the
liability of the school.
The eighth rule .....
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The Overpopulation Of The Snow Goose In North America
Words: 1801 - Pages: 7.... in the millions. The third sub species is the Greater Snow Goose. They nest in the same marshes as the others except they migrate down the Atlantic Coast into the Carolinas and that vicinity. All three species have exploded in numbers since the 1950βs. Researchers have done a lot of study on the numbers and the degradation but may need to do more studies on the impact to other species and look for other options to control the populations.
Population Trends
The numbers of all "light" colored geese has been on the rise since data was first collected. The Lesser Snow Goose (LSGO) has drastically increased in number since data was .....
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