PAPER Topics

... explode! But this is nothing to worry about... unless you have carpeting. Although we modern persons tend to take our electric lights, radios, mixers, etc. for granted. Hundreds of years ago people did not have any of these things, which is just as well because there was no place to plug them in. Then along came the first Electrical Pioneer, Benjamin Franklin, who flew a kite in a lightning storm and received a serious electrical shock. This proved that lightning was powered by the same force as carpets, but it also damaged Franklin's brain so severely that he started speaking only in incomprehensible maxims, such as, "A penny saved is a penny earned." Eventually he had to be given a ...

... shores is separated into distinct zones that reflect the length of time each is exposed. At the highest point on the rocks is the black zone, marked by blue-green algae. This transition area between land and the marine environment is flooded only during the high spring tides. The algae, enclosed in gelatinous sheaths to resist drying, are grazed on by periwinkles, which are protected under tightly sealed, conical shells. Below the black zone lies the white zone, where barnacles are tightly glued to rocks. Living among the barnacles are rock-clinging mollusks called limpets. At low tide, barnacles keep their four movable plates closed to avoid drying. At high tide they open the plate ...

... of the same element. For Example, oxygen has two allotropes, normal oxygen and ozone. Pure carbon also has two allotropes, diamond and graphite. A crystal of diamond is in fact a single giant molecule in which every carbon atom is linked to four other, by four equal, strong bonds. These bonds are arranged tetrahedrally round each atom and there are no planes along which the giant molecule can easily be split. This quality is what gives diamond its tremendous hardness. Graphite on the other hand, consists of flat sheets of carbon atoms arranged in adjoining rings. Each carbon atom is linked to three others by fairly strong bond that all lie in the same plane. These can easily be overcome, ...

... hazard if the water is agitated or heated, allowing the gas to escape and elevate the levels that are in the building.(6) Health Risk The Surgeon General's office reports that indoor radon gas is a national health problem. This gas causes thousands of deaths every year.(7) These deaths are a result of lung cancer, which is caused by the radioactive particles that make up the gas.(8) The likelihood of getting lung cancer from radon depends on: the concentration that you are exposed to, the amount of time that you are exposed, and whether you smoke or not. The radioactive particles are inhaled when we breathe, and become trapped in the lungs. Once in the lungs they release small amoun ...

... smoke also contains carbon monoxide, the same poisonous gases released from a car exhaust pipe. Carbon monoxide is a colorless and odorless, highly toxic gas that reduces the amount of oxygen that the blood can carry. Combined with the effects produced by the nicotine, it creates an imbalance in the demand for oxygen by the cells and the amount of oxygen the blood is able to supply. Tar is another chemical produced from cigarette smoke. Tar contains at least 30 cancer causing irritants. Tar is a mixture of several substances that condense into a sticky substance on the lung. Tobacco manufactures have produced a cigarette that is low tar and low nicotine to reduce the chance ...

... it is estimated that the food supply would reduce by forty to fifty percent without the use of on our crops. The FDA, EPA, and the Department of Agriculture try to ensure that the use of is necessary to the extent in which they actually are used by performing studies and proposing bills and laws to Congress. There is no dispute that are harmful. The purpose of is to kill certain fungi, plants, and even animals, so it seems only natural that they would have some effect on humans as well. An example of how these societies have helped to try and lessen the use of the more harmful is the Pesticide Food Safety Act of 1993. This bill is to try and be sure that the food people(especiall ...

... create a diagnosis. Another major diagnostic tool is the tongue. It is said that the state of the internal organs is reflected in the tongue, and the practitioner will note the color and shape of the tongue as well as its coating. All patients can expect their pulse to be taken. Unlike a Western doctor, the acupuncturist is not feeling merely the speed of the patient’s pulse. The practitioner will feel for changes in the quality of the pulse under their fingers. They will also use three fingers over each wrist; in Chinese medicine different pulse positions correspond to different organs of the body. If an irregularity is felt in a specific position, the practitioner is then able to focus ...

... of ADHD on child intelligence. Testing and treatments of those with ADHD will also be discussed. In accordance with Dulcan et al. (1997) ADD, ADD-H, ADHD, although not identical, will be considered interchangeably due to similarity. Characteristics and Testing of ADHD Intelligence Even though ADHD occurs in people of every intelligence, a majority of children affected experience academic problems. These children may have specific learning disabilities, such as dyslexia, or may have multiple learning problems (Beiderman et al., 1993). In a study by MacLeod et al. (1996) comparing ADHD children with those unaffected, those with the disorder performed significantly worse than the ot ...

... of the prothallus. The archegonia are at the notch of the prothallus and the antheridia are located near the tip. Fertilization occurs when outside moisture is present and the sperm from the antheridia swim to the eggs of the archegonia. A zygote is formed on the prothallus and a new sporophyte grows. 4. Flowering plants have unique characteristics that help them survive. One is the flower itself that contains the reproductive structures. The color of the flower helps because it may attract birds and insects that spread the plants pollen which diversify the later generation of plants. Flowers also produce fruits that protect their seeds and disperses them with the help of ...

... virulence? The two prime factors most frequently cited (Esch and Fernandez 1993, Toft et al. 1991) are evolutionary history and mode of transmission. Incongruently evolved parasite-host associations are characterized by high virulence, while congruent evolution may result in reduced virulence (Toft et al. 1991). Parasites transmitted vertically (from parent to offspring) tend to be less virulent than parasites transmitted horizontally (between unrelated individuals of the same or different species). Studies in which virulence is shown to increase during parasite-host interaction, as in Ebert's (1994) experiment with Daphnia magna, necessitate a synthesis of traditionally ...