Earthquakes can simply be defined as a naturally induced shaking of the ground caused by the fracture and sliding of rock within the earth's crust. There are at least 6,000 earthquakes detected throughout the world each year. Many people have heard about or experienced first hand the effects that an earthquake can have. But many people don't...
refers to the pain arising from lack of adequate blood supply to the heart muscle. Typically, it is a crushing pain behind the breastbone in the center of the chest, brought on by exertion and relieved by rest. It may at times radiate to or arise in the left arm, neck, jaw, left chest, or back. It is frequently accompanied by sweating, palpi...
The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. _The glass_ lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and...
is what we see. It can be thought of either as a particle, (the photon), or as a wave. The photon we can easily think of as a small dot travelling through space at the speed of light. Each photon has a particular colour or energy. But how do we think of light as a wave? For this we need to know that light is also an "Electro-magnetic field" --...
: Is there a good side to human cloning? Technology is changing the world as we know it. Not all of these advances in technology are viewed as positive. One of the breakthroughs that has received mixed responses is the issue of cloning. There has been much debate on this topic, and the debate is certain to rage on for many years to come...
In the late 1800's it was discovered that papa-amino-phenol, could reduce fever, but the drug was too toxic to use. A less toxic extract called phenacetin was later found to be just as effective but also had pain-relieving properties. In 1949, it was learned that phenacetin was metabolized into an active but also less toxic drug, acetam...
Algebra is defined by Webster?s New Collegiate Dictionary as a generalization of arithmetic in which letters representing numbers are combined according to the rules of arithmetic. This is not a good definition of algebra. It would take a thick book to really explain it. In fact, to this day it is still being added to. There ar...
From Water to Land (Revision) Abstract: The early tetrapods were the first vertebrates to actually walk the solid earth. They began their conquest of land in the Paleozoic era around 360 million years ago. The question many paleontologists have been asking for a long period of time is whether the anatomy for locomotion on land was develope...
is a chronic bacterial disease of the skin, nerves in the hands and feet and, in some cases, the lining of the nose. is a rare disease in the United States. Anyone can get leprosy, but children seem to be more susceptible than adults. It is not clear how the leprosy germ is spread, but household and prolonged close contact is im...
Heart Murmur, Atherosclerosis, & Heart Failure A heart murmur is a sound caused by blood flowing through a child's heart or through blood vessels entering or leaving the heart. More that 50 percent of all people will be diagnosed with a heart murmur sometime in their lives. When a child's doctor or nurse practitioner detects a heart murmur...
Outline Thesis: Large corporations, such as insurance companies, and governments are looking to save money on future policyholders through the use of genetic testing. General information on the Human Genome Project Time of discussion leading up to implementation Who was involved Where does the funding come from Insurance Comp...
. v.90 modems Cable Modems Cable modems emerged in consumer markets as an alternative to ISDN and regular modems only a couple of years ago. Promises like speed up 30 Mbps to connect to the internet sounds very attractive given that the service charge is only $35-$55 a month. But the whole thing has been overhyped in my opinion, none of the ca...
Methamphetamines are powerfully addictive stimulants that dramatically affect the central nervous system. The drugs are made easily in clandestine, or illegal laboratories with cheap over the counter ingredients. These factors combine to make methamphetamines drugs extremely dangerous, and vulnerable to widespread use. Methamphetamines are...
Virtual reality as of recent, while still extremely new, has become the topic of many opposing viewpoints. It has caught the eye of the general public for several reasons. Perhaps, this is mainly because of all the possibilities which virtual reality creates. Note that the possibilities are not pre- determined as either good or ba...