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Risk Factors for HBV Infection Although relatively rare in the United States, hepatitis B is endemic in parts of Asia where hundreds of millions of individuals may be infected. HBV is transmitted horizontally by blood and blood products and sexual transmission. It is also transmitted vertically from mother to infant in the perinatal period...
The Toilet Yes?those tales you?ve heard are true. The toilet was first patented in England in 1775, invented by one Thomas Crapper, but the extraordinary automatic device called the flush toilet has been around for a long time. Leonardo Da Vinci in the 1400?s designed one that worked, at least on paper, and Queen Elizabeth I...
The American Crocodile ''How doth the little crocodile Improve his shining tail, And pour the waters of the Nile On every golden scale! How cheerfully he seems to grin, How neatly spreads his claws, And welcomes little fishes in With gently smiling jaws!'' Table of Contents 'H Introduction 'H Evolut...
Apple computers: biography of the cfo 11/17/99 Gary Whipfler, Corporate Treasurer of Apple Computers gave a very informative presentation about the field of Finance from his own 13 years of experience. As an MBA graduate at Santa Clara, he returned here and gave students some excellent advice about entering the workforce. I think this was...
This essay concentrates on the heavy metal cadmium, and its occurrence in the environment, its pathways into and out of the human body and its movement into and out of Sewage sludge. Firstly, I will provide a clear definition of the Heavy Metal Cadmium. What is Cadmium? Cadmium is a naturally occurring element in the earth's crust. Pure...
Lyme Arthritis ~~~~~~~~~~~~~~ Lyme disease is a tick-transmitted inflammatory disorder characterized by an early focal skin lesion, and subsequently a growing red area on the skin (erythema chronicum migrans or ECM). The disorder may be followed weeks later by neurological, heart or joint abnormalitie...
MONERA The Monera Kingdom, though not often recognized by all people, has a profound effect on all of our lives. Its cell structure is simple, containing one or a colony of cells. It has no nucleus, no organelles, a cell membrane, and only certain members of the kingdom have a cell wall. They most often obtain food by photosynthes...
If you know where and when to look, you can treat yourself to a colourful display of atmospheric haloes, spots and pillars. These images can tell you something about the clouds overhead and possible changes in the weather. All of these images are created by light shining through cirrostratus clouds. These clouds occur at an al...
- ?And the Lord God formed man of the dust of the ground, and breathed into his nostrilsthe breath of life; and man became a livingsoul . . . and He took one of his ribs, and closed up the flesh instead thereof; and the rib, which the Lord God had taken from man, made He a woman and brought her unto man.? -Genesis 2:7 21-22 is becoming o...
- TABLE OF CONTENTS 1. Title Page 2. Table of Contents 3. Body Structure 4. Habitat 5. Predetation 6. Reproduction 7. Family Life 8. Environmental Adaptations 9. Picture 10. Bibliography ENVIRONMENTAL ADAPTATIONS The kangaroo has adapted to many different types of climates. The gray kangaroo has adapted to life in the...
The Asynchronous Transfer Mode has been chosen as the standard system concept for integrated broadband communication networks by the ITU_T. The system is predicted to grow rapidly as soon as it becomes widely accepted by network operators and users. Why has communications evolved in history towards the ATM concept and why has it been chosen as...
Due to the Safe Drinking Water Act (SDWA), America's drinking water is safer than it has been in decades, and of better quality than that of many other countries. Accordingly, many Americans believe that while people elsewhere may have reason to be concerned about getting sick from contaminated tap water, we are safe. Yet, incidents in the Unit...
The History of is an organic fiber in the aromatic polyamide family. It has unique properties and a chemical composition that is its own, which distinguishes it from other man-made fibers. is a combination of high strength, high modulus (resistance to extension), toughness and thermal stability. has a wide range of uses. In the...
Muscular dystrophy refers to, not one, but a group of muscle diseases. These diseases have three features in common: they are hereditary; they are progressive; and each causes a characteristic and selective pattern of weakness. Duchenne muscular dystrophy (DMD) is the most prevalent and severe childhood form of this group of diseases. Eac...
