Hydroponics: Growing Without Soil The science of growing plants without soil has been known and used for more than one-hundred years. The word ?hydroponics?, however, is comparatively new. Dr. W.E. Gericke is usually given credit for coining the word, which translated from Greek, means ?working water?. The famous hanging gardens of Bab...
1. a) Bulk movement is the overall movement of a fluid. The molecules all move in the same direction. Diffusion however is the random movement of molecules which usually results in a fairly even distribution. In other words the movement is not guaranteed to move in one direction but the probability that it will move in the l...
Crude operatons - oil and the environment Crude Operations: Oil and the Environment The environmental impacts of offshore oil drilling greatly outweigh the economic benefits provided. Although it has been a continuous activity for more than a decade, One can not help but wonder why offshore drilling continues when considering the poll...
I. Overview of Geothermal Energy Geothermal energy (from the Greek words geo [earth] and therme [heat], thus 'earth heat' energy) is a domestic energy resource with cost, reliability, and environmental advantages over conventional energy sources. Energy from this source comes from the renewable source of heat from deep in the Earth (diagr...
In this universe there are many thing that we cannot explain. Among these many things is light. Light, as far as we know, come in different wavelengths and the size of the wavelength determine what type of light it is. The middle wavelength lights are what gives us the seven basic colors of red, orange, yellow, green, blue, indi...
Cancer is not a single disease. It includes a large group of varied disorders that share major traits. The first sign of cancer is an enlargement of the area. The tumor then infects other cells near it, and if it's really advanced, these cells may break away from the tumor and spread the cancer throughout your body. Although many people believe...
As we near the end of the millennium, the home planet that has for so long been our gracious host is suffering from the apathy and wreckless consumption of natural resources. Awareness is the gravest of concerns. Ignorance is not a bliss, for we must become aware of the problems that endanger our environment in order to save it. Unfortunately,...
QUESTION: "What general effects does massage have on the parasympathetic and sympathetic divisions of the autonomic nervous system and the endocrine system? Also discuss the general relationship between the hypothalamus and the pituitary gland and various target organs." INTRODUCTION: This essay explores the effects of a variety of ma...
Diabetes Some people have a disease that requires them to take daily injections of insulin. This disease is called diabetes, and cannot be cured. But, what if a non functioning pancreatic islet cells could be made to produce insulin once again. That would cure diabetes. The possibility has set the diabetes world excited over the past few m...
The name The name of my book is by Gilda Berger. Mental illness is a disorder characterized by disturbances in a person's thoughts, emotions, or behavior. The term mental illness can refer to a wide variety of disorders, ranging from those that cause mild distress to those that severely impair a person's ability to function. Today, mental il...
We are living in the midst of a great chemical experiment, and some serious consequences are becoming apparent to scientists. More than two billion pounds of chemicals are spewed into the air each year. These chemicals are brewing a disastrous stew, resulting in an atmosphere crisis. The greatest consequences of the atmosphere crisis may be the...
Gold, nothing can compare to this precious metal. A symbol of wealth and prosperity, it has been a value for explorers and adventurers and a lure for conquerors. Today it is vital to commerce and finance; popular in ornamentation, and increasing importance in technology. The nature of gold is diverse. The chemical element gold is a heavy, so...
Introduction What is the goal of agriculture? Mainly, it is to produce healthy food, affordable for consumers to purchase, while ensuring that farmers are able to earn a decent income. Recently, with greater environmental awareness in society in general, it is also now very important to protect the agricultural environment. This is a big chal...
Newspaper Article Essay: "In Layman's Terms" Authors of modern scientific journalism convey information to target audiences in differing formats, depending solely on the level of education of the audience and how the issue might affect their lives. As a result, publications come in two models: new, original articles, or reports based on exist...