A biography of physician and surgeon Daniel Hale Williams (1856-1931) and his impact on society. Williams performed the first open-heart surgery, opened the first interracial hospital, and improved Freedmen's Hospital in Washington, DC.

Essay provides a discussion about Darwin's dangerous idea.

The Origin of Species and Charles Darwin's theory of common descent.

Focuses on debating the pros and cons of nuclear energy. Adopts a more biased approach on the issue. Also briefly investigates several other alternative resources and describes issues that are associated with them.

Details the environmental characteristics of a deciduous forest. Describes the five different zones which can be found there.

Explains decubitus ulcers and their different stages, as well as their prevention and treatment. Keyword: elderly, nursing homes

Many athletes use performance enhancing drugs to gain a competitive advantage and to improve their athletic ability beyond the levels of their competitors. Athletes that compete in swimming may use stimulants to help them fight fatigue. These stimulants include various types of amphetamines. Weightlifters and football players use Erongenic drugs; these drugs build body mass and increase growth hormones.

Physicist Albert Einstein came up with an equation E=m.c2 to help explain the relationship between energy and mass. The simplest interpretation suggests that matter can be converted into the energy and energy into matter. The theory helps explain the curious begging of the universe when an enormous of energy became matter.

Deforestation causes not only the loss of our precious forests, but also the destruction of land, the extinction of species, and the loss of necessary and potentially helpful resources. This poses direct harm to us as human beings, but if we take proper means to prevent the total destruction of our land, we might be able to salvage what is left of our environment.

Essay consists of a discussion of the advantages and disadvantages of global warming.

This essay adresses the causes, effects and possible solutions of deforestation in africa

The essay is about the life and times of Democritus. An ancient mathematician and philosopher who came up with Atomism.

Describes denial of service attacks. Discusses the increased frequency of such attacks over the past few years. Provides a comprehensive look at denial of service attacks, including information about their history and development, how to detect them, and what measures should be taken to prevent large amounts of damage.

The following presents a lab report including objective, procedure, theory, calculations, data and discussion.

Provides the details of an experiment examining if objects of the same weight and size, float at different levels in liquids of different densities. Discusses Archimedes theory of buoyancy.

With mounting accusations and studies against Depleted Uranium's innocuous effects, many political figures and organizations are taking action to introduce legislation on regulation.

Provides a discussion about desarrollo sostenible cause and effects written in Spanish.

This essay is an overview of how the CAT Scan works and what it is used for. The essay also gives a brief history of the development of the CAT scan.

Desert areas in some continents have formed because the "Prevailing winds", are far removed from areas of water and have lost most of their moisture by the time they reach those regions of the world. An example of these types of deserts is the "Gobi" and "Takla Makan", of Asia. Animals have adapted to desert life in all deserts on all continents.

Describes the environment of a desert biome. Explains where deserts are likely to be located on earth. Details how plant and animal life manages to thrive in a desert biome.

The objective is formulating a suitable solution for a customer for gear housing. All the inspections are carried out in a vision of Total Quality Management which doesn't concern only the manufacturing process. The whole manufacturing chain must be managed with particular regard to the quality management from the purchasing to the sales.

Every day an average of two football field sizes of precious rainforest are torn down, killing millions of animals and destroying valuable pharmaceutical plants. As people tear down the rainforests they are affecting the ozone layer, and disrupting the process that lets plants fight the deadly amount of pollution the world produces every day.

An essay about the destruction and deforestation of the Amazon rainforest. Presents causes and offers solutions. Includes statistical information.

The following provides a determination of an equilibrium constant.

An overview and the results of an experiment to determine the concentration of copper ions in an unknown solution.

Determining a Rate Equation between reaction of potassium permanganate and oxalic acid.

Provides details of an experiment determining the Solubility Curve of Sodium Thiosulphate. Hypothesizes that since the solubility of sodium thiosulphate in water decreases with decreasing temperature, as the solution cools, its saturation increases until it reaches supersaturation and crystallization begins.

Details a lab experiment exploring the the water potential of normal potatos and sweet potatoes by measuring the water potential of the potatoes during the process of osmosis.

Description of each stage of development in human psychology

Essay consists of a discussion of the development of medicine throughout history.

The types and causes of diabetes, complications and treatments available.

Essay provides a discussion on diabetes and mental health.

Research paper about type one and type two diabetes explaining the causes, side effects, and treatments.

An essay about the silent killer known as diabetes.

The following is a speech that provides information about diamonds.

An outline of the dangers and uses/abuses of diet pills.

There are many types of diets, but not all of them are healthy. Diets serve one of two purposes: to eat healthy, such as an athlete training for competition; and to lose weight. Some people go on diets to lose weight when they are not obese at all; this can lead to loss not only of weight, but also of important strength and body tissues.

Better nutrition and more exercise are needed to keep down childhood obesity. The problem can sometimes be connected to school lunch programs. Some states have enacted laws that call for stricter nutritional guidelines for school lunches and vending machines.

This essay outlines the reasons why evolution is such a slow process, and demonstrates why the massive time scales of evolutionary change are difficult for some people to comprehend.

A consideration of a small confusion about the different aspects of dimensions that is really perceived by different persons being the same or different. Why it is so? Do we really follow the exact path towards the truth? Some understanding of physics is needed to understand.

Summarizes the novel The Hot Zone, by Richard Preston. Discusses the discovery of new strains of the ebola virus. Points out incorrect procedures detailed in the novel.

Describes various types of diseases and possible defense agains them. Describes best health practices to prevent disease.

According to Environmental Protection Agency. The average American produces 100 garbage cans full of garbage every year. Every three months we throw away enough aluminum to rebuild every plane in every airline in America. Each year we throw away the equivalent of 30 million trees in newspapers. This, coupled with the 9,008,211 metric tons of industrial waste factories produce yearly, makes the United States of America the world leader in trash production.

This essay discusses the diseases Diverticulosis and Diverticulitis.

Provides a brief biography on the life and accomplishments of the scientist Dmitry Mendeleev, who created the periodic table of elements.

The negative risks of a database

Provides an overview of DNA and proteins. Describes why scientists believed that proteins were the material of genes, due to the large varieties found in their building blocks. Explores the research of Hershey and Chase.

DNA testing is an increasingly popular way to determine the paternity of a child. The practice, however, raises many ethical issues and it should always be done with permission.

Lists arguments for and against DNA testing.

Human Genome from Watson's book "DNA: The Secret of Life"