|
|
|
» Browse Science and Environment Term Papers
Global Warming
Number of Words: 1772 / Number of Pages: 7
... In the past the temperature highs and lows have been in tandem with carbon dioxide level highs and lows, this does not seem to be a mere coincidence.
Carbon dioxide currently accounts for 0.03% of the gas content within the atmosphere. However, it has a disproportionate impact on the earth's temperature. Thus, minor fluctuations in the percentage of atmospheric carbon dioxide will likely have a significant effect on the global temperature. The percentage of atmospheric carbon dioxide has risen over the past century at an alarming rate. Industrial civilization essentially driven by fossil fuels such a ...
|
|
Tourette Syndrome
Number of Words: 1363 / Number of Pages: 5
... blood temperature, or a change outside of your body such as a touch on the arm. Your body then goes through a process know as its integrative function. This is when your nervous system processes information sent via your sensory neurons and in a way “makes decisions” regarding appropriate responses. When all is said and done during this process a decision is made and sent through interneurons that act as a postman and deliver the decision to the motor function part of your nervous system. The motor function involves responding to the decision delivered by the interneurons by using efferent neurons ...
|
|
Human Evolution
Number of Words: 2656 / Number of Pages: 10
... trends characteristic of the hominine subfamily.
Bipedalism Two-legged walking, or bipedalism, seems to be one of the earliest of
the major hominine characteristics to have evolved. This form of locomotion led
to a number of skeletal modifications in the lower spinal column, pelvis, and
legs. Because these changes can be documented in fossil bone, bipedalism usually
is seen as the defining trait of the subfamily Homininae.
Brain Size and Body Size Much of the human ability to make and use tools and
other objects stems from the large size and complexity of the human brain. Most
modern humans have a ...
|
|
ALCOHOLISM A PSYCHOLOGICAL QUA
Number of Words: 725 / Number of Pages: 3
... all deaths are related to alcohol abuse. Am astonishing fifty percent of all major automobile accidents, and murders are associated with alcohol. On and on the statistics point to the enormous dangers of alcohol, yet it is a legalized drug.
As bleak as this problems seems to be on society as a whole, it is also rueful for the poor soul who is alcohol dependent. The life span of the alcoholic is about ten years shorter than the non-drinker. The lifetime prevalence for alcoholism in the United States is as high as fourteen percent. Taking these statements into consideration it is not difficult to b ...
|
|
Athrax
Number of Words: 796 / Number of Pages: 3
... with a black necrotic (dying) area in the center of the ulcer. Lymph glands in the adjacent area may swell. About twenty percent of untreated cases of cutaneous anthrax will result in death (www.cdc.gov). Deaths are rare due to antimicrobial therapy.
When anthrax is contracted by inhalation the initial symptoms resemble a common cold. After several days, the symptoms may progress to a severe breathing problems and shock. The inhalation of anthrax spores usually results in death one to two days after on set of acute symptoms.
The intestinal disease form of anthrax may follow the consumption of c ...
|
|
The Laser
Number of Words: 826 / Number of Pages: 4
... help modern civilization. At first there weren't many uses for
the laser. Then in the 1970's it became very important. It was finally
being used in everyday life. As years went on the uses grew in number.
Today lasers were being used in a variety of ways. This includes
entertainment, military, communication, businesses, measurement, cutting,
and more.
Measurement: Lasers have become an important part of measurement. A laser
is the fastest way to measure long distances. This use can be applied in
construction work and astronomy.
Cutting: A laser is also great for cutting objects. It can get ...
|
|
Endangered Species
Number of Words: 1552 / Number of Pages: 6
... kill any animal that is in danger of extinction.
Government Involvement
Only since the 19th century has there been worldwide concern about the case of species in their natural environments. Finally in 1916 they made a law called Migratory Bird Treaty. They had this law in United States, Great Britain, Canada, and later in Mexico. This law was made so that people can not kill animals that are endangered. This law did not work that well because the animals that were endangered were not put in zoo’s. People still killed theses animals not caring that they were in danger of becoming extinct. In ...
|
|
Electrochemistry
Number of Words: 446 / Number of Pages: 2
... for your wallet) than a similar process using chemical
reagents. Some synthetic processes can only be done using electrochemical
methods, and electrochemical methods are used in the large-to-medium-scale
synthesis of organic "fine chemicals" because of the financial, safety and
environmental advantages. Here's a page outlining some current research by
one of my graduate school professors.
I can think of at least three common uses of electrochemistry:
pH meters and other measuring devices
pH meters are electrochemical devices. They measure pH by comparing the
electrical properties of a solution to th ...
|
|
Creatine 3
Number of Words: 2235 / Number of Pages: 9
... had to have an operation to repair an aortic valve in his heart. This scared a lot of people and the recreational uses of steroids decreased. With the dangers of steroids well-known people started looking for other substances to give them an edge. Bee pollen, carnitine and chromium picolinate, were among the things people tried. Of course none of these worked. But now there is a product on the market that has been proven to significantly enhance athletic performance in the areas of power, strength, and muscle mass. This substance is Creatine Phosphate.5
ABOUT CREATINE
When the body performs exe ...
|
|
Chlamydial Infection
Number of Words: 753 / Number of Pages: 3
... the disease may not be diagnosed and treated until complications develop.
Doctors estimate that, in women, one third of the s result in PID (Pelvic Inflammatory Disease). Often these infections are not diagnosed until PID or other complications develop. In men, rarely, s may lead to pain or swelling in the scrotal area, which is a sign of epididymitis, an inflammation of a part of the male reproductive system located in the testicles. Left untreated, this condition, like PID in women, can cause infertility.
Chlamydia can cause proctitis (inflamed rectum) and conjunctivitis (inflammation of the linin ...
|
|
|
