|
|
|
» Browse Science and Environment Term Papers
The Jovian Planets
Number of Words: 2883 / Number of Pages: 11
... the largest planet in the Earth’s solar system. It is 318 times more massive than Earth and is two thirds of the planetary mass in the solar system. Jupiter’s surface, unlike earth, is gaseous and not a solid. It is about 90% hydrogen and 10% helium with traces of methane, ammonia, water and rock. Jupiter’s interior is very similar to the Sun’s interior but with a far lower temperature. However, it is still unknown but Jupiter is believed to have a core of liquid metallic hydrogen. This exotic element can only be achieved at pressure greater than 4 million bars. Jupiter radiates more energy in space ...
|
|
Dvd
Number of Words: 511 / Number of Pages: 2
... DVD-RAM
DVD-RAM stands for Digital Versatile Disc - Random Access Memory, and is the approved format by the Official DVD Forum. DVD-RAM are dual sided and can hold up to 2.6 gigabytes per side. They use phase-change as a recording material, “wobbled land and groove” recording method, embossed pits for header information, Zoned Constant Linear Velocity (ZCLV) rotational control, and is a random-access, non-sequential medium. DVD-RAM-Compatible readers will require servos to handle switching between the lands and grooves. DVD-RAM drives will also need a decoder to handle scattered 32K ECC ...
|
|
Herpes
Number of Words: 746 / Number of Pages: 3
... 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 inability to urinate if severely swollen from many sores. Very severe outbreaks may have symptoms that include swollen and tender lymph glands in the groin, throat, or under the arms, and even flu-like feelings ...
|
|
Alzhiemers
Number of Words: 979 / Number of Pages: 4
... in a more successful strategy
than attempting to grow the cells outside the body and then
placing them back into the brains of patients, as some scientists
have suggested.
Goldman, of Cornell University Medical College in New York,
and colleagues surgically extracted brain cells from the
hippocampus of eight living male patients, ranging in age from 5 to
63 years, while they underwent surgery for another reason. The
investigators isolated stem cells from the brain tissue. The stem
cells were then grown in culture along with certain factors known
to control the development of n ...
|
|
Decomposition
Number of Words: 253 / Number of Pages: 1
... Record the
accurate weight below. Product Weight Before Weight After Mass of Test tube +
KClO4 41.5g 39.8g Mass of Test tube 37.5g 37.5 Mass of KClO4
4.0g 2.3g 2. Set up the apparatus shown below.
3. Gently heat the test tube containing the potassium perchlorate. Gas should
begin to collect in the collection bottle. Record all observation. 4. Once the
reaction is complete, no more gas give off, allow the test tube to cool. While
the test tube is cooling test the gas in the collection bottle with glowing
splint. Caution: Do not leave the rubber tubing down in the water trough during
cooling o ...
|
|
Genetic Engineering
Number of Words: 1111 / Number of Pages: 5
... of humans is extremely long, yet it will eventually show
geneticists which genes are responsible for certain inherited diseases.
Identified genes could be repaired, resulting in the irradiation of inherited
diseases, such as cancer. Just last year, the locations of genes for several
diseases were confirmed and may soon be correctable. Secondly, research in
genetics has brought about a new medical field, genetic counseling. Couples
planning to have children can visit a genetic counselor and identify what
medical difficulties their child may have. With continued research in genetics,
couples will ...
|
|
Ebola 2
Number of Words: 987 / Number of Pages: 4
... searched for an origin and cure of the virus. Scientist have carried out numerous studies and investigations. Therefore, we now know what the virus is capable of doing, how those infected with the disease can be properly treated , and the need to perform prompt action to isolate the virus before it disperses (Garrett 192).
The Ebola virus is a member of a family of RNA viruses known as filoviruses, which consist of the Marburg virus and four Ebola viruses: Ebola Zaire, Sudan, Reston and Tai are the five different viruses that have been known to cause disease in humans, while Ebola Reston only causes d ...
|
|
Greenpeace
Number of Words: 771 / Number of Pages: 3
... bend it a little. In USA where they protested against some factories
which deliberately lead their toxic waste to lakes nearby, Greenpeace sealed the
pipes, from which the toxic waste was coming from and furtermore the activists
refused to leave. A up-to-date example could be Mururoa, where the French
government held a series of underground nuclear tests and banned all nearby
sailing activities meanwhile. Greenpeace had no hesitation, sailed right to
Mururoa and stayed there until they were forced to leave by a commando squad.
Even though straight on action, seems to be their game, Greenpeace als ...
|
|
The Acid Rain Effects On Living Things
Number of Words: 1096 / Number of Pages: 4
... into acid rain can take from several hours to several days. Sunlight increases the rate of these reactions. Rainwater, snow, fog, and other forms of precipitation containing these mild solutions of sulfuric and nitric acids fall to the ground as acid rain. Years ago, when smokestacks were only a few stories tall, pollution from the smokestacks usually stayed near the ground and settled on the land nearby. This only caused unhealthy conditions for plants and animals near the smokestacks. To reduce this pollution, the government passed laws permitting the construction of very tall smokestacks. A ...
|
|
Adolescent Depression: The Under Acknowledged Disease
Number of Words: 996 / Number of Pages: 4
... Blackman (1996) observed that the "challenge is to identify depressive symptomatology which may be superimposed on the backdrop of a more transient, but expected, developmental storm." Therefore, diagnosis should not lay only in the physician's hands but be associated with parents, teachers and anyone who interacts with the patient on a daily basis. Unlike adult depression, symptoms of youth depression are often masked. Instead of expressing sadness, teenagers may express boredom and irritability, or may choose to engage in risky behaviors (Oster & Montgomery, 1996). Mood disorders are often accompa ...
|
|
|
