By: Suzanne Rose
Viruses and bacteria often cause the same symptoms in people such as cough and fever. Because of this, many assume that they are very similar to each other, and yet they differ greatly. It is important for people to understand the differences between viruses and...
New target in cancer battle: Dividing stem cells
By: Terrence Aym
A new discovery has led medical researchers to conclude that stem cells often help spread tumors.The UK Guardian reports that Dr. Clive Stanway, chief officer of Cancer Research Technology, asserts that "Stem cells are responsible for renewing tissue in the body. But sometimes they...
Difference between a virus and bacteria
By: Sandra Piddock
Viruses and bacteria have a major common feature. They are both capable of inflicting serious damage and even death on the human. plant or animal kingdom. For this reason, many people tend to use the terms interchangeably. However, there are distinct differences between the two...
By: Terrence Aym
In the timeless classic, "Forbidden Planet," the brilliant scientist Morbius reveals a stunning secret to the senior officers of a ship that's arrived to recue him—the technological wonders built by an extinct race of advanced alien beings: "Prepare your minds for a new...
By: Alexis Fischer
Hypoxemia is low blood oxygen content. It is usually defined as a hemoglobin oxygen saturation of under 90% or an oxygen partial pressure of under 60 mmHg. There are five different causes of hypoxemia that will be discussed below. 1. Hypoventilation Also known as respiratory...
By: Jenna Pope
The U. S. Federal Drug Administration (FDA) has issued an announcement stating that a link has been discovered between breast implants and a rare form of cancer, Anaplastic Large Cell Lymphoma (ALCL). What is Anaplastic Large Cell Lymphoma (ALCL)? Lymphoma, the most common form of...
By: Colette Georgii
Due to remarkable advancements in DNA technology during the 1990s, it is now possible to more closely identify suspects in criminal cases. DNA analysis has become the best way to eliminate suspects, therefore making it easier to pinpoint the perpetrator of a crime. If the...
An overview of ligaments found at the elbow joint
By: Christa Martin
The elbow is a hinge joint. This means that the operation principle of a door hinge is based on this naturally-occurring example. The elbow allows the arm to bend at the halfway point in a bi-directional arc encompassing about 150 degrees. The way in which...
Structures conveying flexibility and vulnerability of the human neck
By: Alicia M Prater PhD
Flexibility of the neck is important for humans’ ability to observe their environment, but this ability also makes it a vulnerable structure. Within the neck are major blood vessels and nerves that connect the brain to all structures below the head, including the heart and...
By: Suzanne Rose
African trypanosomiasis, commonly known as sleeping sickness, is a serious disease that is typically fatal without treatment. A microscopic parasite within the Trypanosoma brucei species causes the disease, which the tsetse fly spreads deep within rural Africa. According to the World Health Organization, 10,000...

 

1 220 221 222 223 224 296