Just as most dinosaurs are believed to be wild and mean, most are. Unlike the wild and ferocious Tyrannosaurus Rex, the Velociraptor, is a smaller, agile dinosaur. The Brontosaurus can be found with the bigger, more gentle dinosaurs. The Tyrannosaurus Rex, Velociraptor, and Brontosaurus differ greatly in their body structure, diet, and discov...
Hereditary Colon Cancer Colon cancer is one of many cancers to plague United States citizens. There are four known types of colon cancer. Fourteen percent of all cancers diagnosed are colon cancer. Colon cancer is the third most commonly diagnosed cancer. Sporadic cancer accounts for 80 percent of all colon cancers and is considered non...
Bioremediation of Explosives in Contaminated Soil Abstract TNT is not the kind of substance that most people think of composting, but it can be done! At several U.S. Army depots, the water used in processing explosives was disposed of through evaporation from unlined lagoons. This has resulted in sediments and soils that are contamina...
Digital vs. Analog Cellular When purchasing a cellular phone there is always the question of analog or digital. In analog cellular service the voice is transmitted over a specific radio frequency, usually 800 MHz. Digital cellular service on the other hand breaks the voice down into a binary format where the voice is represented b...
Introduction There are more than 115 different types of arthritis. Some are very serious and hold the potential for severe disability and deformity, if left untreated. Others may generate only mild discomfort, which may be totally controlled with relative ease. Myths and misconceptions thrive everywhere. Despite the continued efforts...
It seems as though every time we turn around there is a new health fad, be it a drug, herb or diet. Within the past 10 years the drug melatonin has hit the market and seems to have made quite a splash with the public and the media. At a time when an estimated thirty to forty million Americans suffer from serious sleep disorders t...
-. GLOBAL WARMING In 1992 the United States and nations from around the world met at the United Nations Earth Summit in Rio and agreed to voluntarily reduce greenhouse gas emissions to 1990 levels by the year 2000. The Rio Treaty was not legally binding and, because reducing emissions would likely cause great economic damage, many nations wil...
There has been a great deal of excitement in the media over the significant commercial potential of the internet. Many commercial enterprises are viewing the internet as a significant element of their business operations. They see it as a means of advertising, selling and supporting their product globally.However, there are certain critical are...
Deep Ocean Trench A trench is any long, narrow, steep-sided depression in the ocean bottom. The deepest known depression of this kind is the Mariana Trench, which lies east of the Mariana Islands in the western North Pacific Ocean . Of the Earth's 20 major trenches, 17 are found in the Pacific. The only Atlantic trenches are the Puerto Rico...
-- Global warming (After a lot of reading and hunting around on the net, I found a great deal of information on this topic. I had never really researched on it before so wanted to make sure that calculations agreed from report to report. Most of them did so I will base my answer on these different reports. This subject is extremely intere...
Have you wondered why streetlights are yellow, or why the year 2000 cars have brighter headlights and they are a different color? Have you ever wondered how the indiglo light on your watch works, or why it glows green and not white? And did you know that same indiglo light can be used while frozen, dipped in water, bent in half, stepped on, or...
Introduction The cell membrane is a fluid structure that is made up of phospholipids and proteins. Its main function is to allow osmosis and diffusion to occur in a cell. It protects a cell from taking in molecules that are too large and other chemicals that are not permeable without energy being used. The cell membrane is co...
Investigate A Factor Which Affects the Rate Of Fermentation Of Yeast This experiment is investigating one of the factors which affects the rate of fermentation of yeast. Several factors affect the rate of reaction: _ Increasing the concentration. (See the lock and key theory.) If the substrate (glucose) is increased, the...
Millions of people. They all look alike, think alike, and dress alike. Sounds like something out of a sci-fi novel, right? Well, with cloning it's possible, maybe. They will look alike, but that's about it. Cloning will help the world, not make it the same. Three pros to cloning are that cloning may hold the secret to eternal youth, the r...