Introduction Down syndrome is a chromosomal abnormality. It is the most frequent form of mental retardation and is characterised by well-defined, distinctive phenotypic features and natural history. An error in cell development results in forty-seven chromosomes rather than the usual forty-six. There are three major types of Down syn...
Hurricanes Hurricanes get their start over the warm tropical waters of the North Atlantic Ocean near the equator. Most hurricanes appear in late summer or early fall, when sea temperatures are at their highest. The warm waters heats the air above it, and the updrafts of warm, moist air begin to rise. Day after day the fluffy cumuli form a...
California Water Pollution Water pollution is the major problem in our world today. The state of California also has many water problems of it's own. Many living things suffer from polluted water. Humans, animals, and other organisms depend on water to live. So what will happen if nothing is done to save our polluted water? Or if what...
is one of the common of more than 30 different sexually transmitted diseases (STD?s) in America today. is an infection that is caused by one of two closely related viruses, herpes simplex virus type 1 (HSV-1) and herpes simplex virus type 2 (HSV-2). Both of which are very easily caught, have similar symptoms, and can occur on different part...
Flesh-eating bacteria Some call it ?horror? and some call it ?the super germ?, but now, our always known ?regular? bacteria, those one-celled creatures once considered under control with antibiotics, have invaded our hospitals and headlines with a vengeance. The vengeance used against us is caused by an existing organism called necrotizing fasc...