Science
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4,610 Essays on Science. Documents 4,021 - 4,050
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The Great Horned Owl
The Great Horned Owl The Great Horned Owl comes from the Strigidae family. Its scientific name is Bubo Virginianus. Bubo comes from the Latin word meaning “owl” or from the Greek word for “eagle owl” used by the 1st Century Roman naturalist Pliny (Gaius Plinius Secundus). Virginianus, meaning “of Virginia” is where the first specimen of Great Horned Owls was collected. Some other names for the Great Horned Owl are; Grand-duc d’Amerique, in French, and
Rating:Essay Length: 1,273 Words / 6 PagesSubmitted: January 26, 2010 -
The Great Imposters
Finding good day care can certainly pose a problem these days, unless, of course, you're an African widow bird. When it comes time for a female widow bird to lay her eggs, she simply locates the nest of a nearby Estrildid finch and surreptitiously drops the eggs inside. That's the last the widow bird ever sees of her offspring. But not to worry, because the Estrildid finch will take devoted care of the abandoned birds
Rating:Essay Length: 1,261 Words / 6 PagesSubmitted: April 29, 2010 -
The Great Pacific Garbage Patch
The Great Pacific Garbage Patch The Great Pacific Garbage Patch, also known as the Pacific Trash Vortex, is a gyre of litter consisting mainly of plastic. It is described to be a "huge soup of trash" twice the size of Texas and approximately the size of Turkey. The Pacific Trash Vortex is the largest landfill on the planet. 90% of the trash is plastic, 80% which originates on land, and the other 20% coming from
Rating:Essay Length: 1,128 Words / 5 PagesSubmitted: May 10, 2016 -
The Greenhouse Effect
The Greenhouse Effect ------------------------------------------------------------------------ The Earth is kept warm by it's atmosphere, which acts rather like a woolly coat - without it, the average surface temperature would be about -18 degrees Centigrade. Heat from the sun passes through the atmosphere, warming it up, and most of it warms the surface of the planet. As the Earth warms up, it emits heat in the form of infra-red radiation - much like a hot pan emits heat
Rating:Essay Length: 674 Words / 3 PagesSubmitted: November 10, 2009 -
The Greenhouse Effect and Our Planet
The Greenhouse Effect and Our Planet The Greenhouse Effect is what makes the earth habitable. Without water vapor, carbon dioxide, and other trace gases, too much heat would escape and the earth would probably be too cold to sustain life. The situation would resemble that on Mars, where there is little carbon dioxide and no water vapor. Although the increase in carbon dioxide shows no evidence that the earth will melt, there is a buildup
Rating:Essay Length: 2,097 Words / 9 PagesSubmitted: January 21, 2010 -
The Grey Kangaroo
The Grey Kangaroo weighs 145 lbs. It also has a length of 10 ft. The tail alone is 4 ft. long. The Kangaroo has a small head, and very large ears. They also have large lips and small mouths with a deer like head. The Kangaroo is a furry mammal. It also has a pointed snout. The Kangaroo has long hind legs and small front legs. Males are larger than females. The smallest Kangaroo
Rating:Essay Length: 294 Words / 2 PagesSubmitted: June 2, 2010 -
The Half Life of Dice - Decay Investigation
Andrew Wu 10B The Half life of dice - Decay Investigation Aim: In this experiment, our goal is to find the half life of dice, which will represent the radioactive decay of an atom. Abstract: While throwing the dice on the table, the result that comes out is a random event. The same as to the decay of an atom is also random. With that in mind, as a result, dice can be used to
Rating:Essay Length: 987 Words / 4 PagesSubmitted: June 10, 2017 -
The Health Benefits of Fasting
Topic:The Health Benefits of Fasting The Health Benefits of Fasting Will Carroll There has been much contention in the scientific field about whether or not fasting is beneficial to one's health. Fasting is an integral part of many of the major religions including Islam, Judaism and Christianity. Many are dubious as to whether the physiological effects are as beneficial as the spiritual promoted by these religions. There is a significant community of alternative healers who
Rating:Essay Length: 1,110 Words / 5 PagesSubmitted: January 21, 2010 -
The Heart
The Heart Residing in the upper left part of your thorax is the heart. The heart is the most vital organ in your body as it pumps blood and keeps blood flow going throughout your body. Relying on only the brain for direction, the heart takes good control over many systems in your body, including keeping the blood flowing throughout your veins and body. The pump system works as the heart is a hollow muscular
Rating:Essay Length: 685 Words / 3 PagesSubmitted: December 9, 2009 -
The Historical Development of the Chemistry of Ether as an Anesthetic
Anesthetic ether is the actually diethyl ether CH3CH2OCH2CH3. It has been used as an anesthetic in medical surgery for over 150 years, though the hypnotic effects of ether was already discovered 500 years ago. The historical development of ether anesthesia is very dramatic and interesting. Ether anesthesia: The historical development Ether was discovered in 1275 by Spanish chemist Raymundus Lullius, and was named Ў§sweet vitriol." In 1540, a German scientist Valerius Cordus described the synthesis
Rating:Essay Length: 1,787 Words / 8 PagesSubmitted: June 7, 2010 -
The History of the Periodic Table
Since the ancient times, people like the Greeks were acknowledged of the existence of elements, but only knew of common ones like gold, tin, and copper. It wasn’t until the middle of the nineteenth century when about 50 elements were discovered and scientists began to wonder if the elements vary from each other or if a pattern is represented in the arrangement of the elements. A number of scientists tried different kinds of patterns. For
Rating:Essay Length: 1,183 Words / 5 PagesSubmitted: April 17, 2010 -
The Hot Zone
Ryan Rodney Jan Decker March 24, 2005 The Hot Zone Synopsis: Discussion: The Ebola Virus is an extremely deadly virus that can kill its hosts with in a few weeks. The infected starts by having dizziness and headaches, then proceeds to give fatigue, sweating, and red eyes caused by bleeding of the veins. Internally all of the organs begin to swell and bleed profusely. There is extreme clotting in the heart, liver, and kidneys. Internal
Rating:Essay Length: 299 Words / 2 PagesSubmitted: January 29, 2010 -
The Hot Zone (book Report)
Imagine walking into a tiny village in Africa, suffering and dying from some unknown virus. As you approach the huts you hear the wails of pure agony from the afflicted tribe members. Coming closer, you smell the stench of vomit mixed with the bitter smell of warm blood. People inside lye dying in pools of their own vital fluids, coughing and vomiting up their own liquefied internal organs; their faces emotionless masks loosely hanging from
Rating:Essay Length: 9,484 Words / 38 PagesSubmitted: November 9, 2009 -
The Hudson River and Pcb Pollution
The Hudson River and PCB Pollution The Hudson River is a body of water that stretches for 315 miles from the Adirondack Mountains to the Battery in Manhattan, reaching its deepest point of 216 feet in the Highlands near Constitution Island and West Point and reaches its widest point of 3 miles across at Havestraw. This river is one of the most beautiful and scenic of the Tri-State area. Unfortunately, it happens to be
Rating:Essay Length: 1,528 Words / 7 PagesSubmitted: December 7, 2009 -
The Human Brain
In this paper one will learn the different parts of the brain and their functions. Although the brain isn’t the largest organ of the human body it is the most complex and controlling organ. It is amazing how complicated the brain is. The brain controls every action within and out of your body. The brain has main areas that contain different areas that have specific functions. For instance the basal ganglia holds the lentiform
Rating:Essay Length: 557 Words / 3 PagesSubmitted: April 4, 2010 -
The Human Eye in Space
Human visual hardware is a result of a billion years of evolution within the earths atmosphere where light is scattered by molecules of air, moisture, particular matter etc. However as we ascend into our atmosphere with decrease density, light distribution is changed resulting in our visual hardware receiving visual data in different format. Some Aspects to Consider: 1. Visual acuity is the degree to which the details and contours of objects are perceived. Visual acuity
Rating:Essay Length: 898 Words / 4 PagesSubmitted: February 26, 2010 -
The Human Genome
You may think that you have full control over your body, the way you may look, how you dress, and even how you do your own makeup. You have control over your hair color, how much knowledge you have, and even how strong you can be, but could you imagine having control over how tall you would like to be, the color of your eyes, and potentially the color of your very skin? Can you
Rating:Essay Length: 1,181 Words / 5 PagesSubmitted: January 4, 2010 -
The Human Heart
The Human Heart The human heart has four chambers. On each side of the heart there is one atrium and one ventricle, thus referred to as the left atrium, left ventricle, right atrium and right ventricle. To ensure that blood does not flow backwards, the heart uses several valves, limited in movement by the papillary muscle. The mitral and tricuspid valves are what allow blood to flow from the atria to the ventricles but not
Rating:Essay Length: 931 Words / 4 PagesSubmitted: April 1, 2010 -
The Human Immunodeficiency Virus
The human immunodeficiency virus (HIV) is a type of retrovirus that causes acquired immunodeficiency syndrome (AIDS). HIV attacks the body’s immune system, leaving it unable to fight off infections and disease (Public Health Agency of Canada, 2007). HIV transmission HIV can be spread through contact with an infected person’s body fluids such as semen, vaginal fluid, breast milk, or blood, including menstrual blood (AIDS Vancouver, 2005). The most common modes of transmission are unprotected vaginal
Rating:Essay Length: 655 Words / 3 PagesSubmitted: February 26, 2010 -
The Humphead Wrasse, Cheilinus Undulatus
The Humphead Wrasse, Cheilinus undulatus The Humphead wrasse, Cheilinus undulatus, is the largest member of the family Labridae and widely distributed across the reefs of the Indo-Pacific. It is found from the Red Sea and African coast, across the Indian Ocean and much of the Pacific, north to southern Japan and the coast of southern China, and south to New Caledonia. In English it is mostly commonly referred to as the Humphead, Maori or Napoleon
Rating:Essay Length: 449 Words / 2 PagesSubmitted: February 1, 2010 -
The Impact of Catalytic Materials on Fuel Reformulation
The impact of catalytic materials on fuel reformulation Stefano Rossini Snamprogetti, S. Donato Milanese, Italy Abstract Fuel reformulation has been seeded by the growing consciousness of the potential damages mankind was causing to the ecosystem and to itself. Fuel reformulation means that fuels are defined on a chemical composition base with additional engine-technology related standards rather than on pure performance bases. These standards, which are getting more and more stringent, can be met by different
Rating:Essay Length: 381 Words / 2 PagesSubmitted: March 1, 2010 -
The Impact of Compulsive Training and Long Term Training
The impact of compulsive training and long term training” Superior athletes have and will always be very hard workers. The problem is that sometimes athletes can begin to train so extensively that they cause long term damage to their bodies, and delay improvement in their sport. The majority of sports are endurance intensive and the majority of overtraining syndrome cases involve endurance sports. At some point during their career, a number of endurance athletes report
Rating:Essay Length: 477 Words / 2 PagesSubmitted: January 14, 2010 -
The Impact of Fluoride on Human Health
The Impact of Fluoride on Human Health Introduction How do high fluoride levels affect your health? I hypothesized that high concentrations of fluoride ingestion have a detrimental impact on human health. The health effects are dependent on the amount of fluoride consumed. I came to this hypothesis by researching information on Fluoride and observing the charts below. All of the data shows that ingestion of fluoride leads to damaging health effects. It is crucial to
Rating:Essay Length: 605 Words / 3 PagesSubmitted: November 14, 2009 -
The Impact of Fluoride on Human Health
The Impact of Fluoride on Human Health Introduction How do high fluoride levels affect your health? I hypothesized that high concentrations of fluoride ingestion have a detrimental impact on human health. The health effects are dependent on the amount of fluoride consumed. I came to this hypothesis by researching information on Fluoride and observing the charts below. All of the data shows that ingestion of fluoride leads to damaging health effects. It is crucial to
Rating:Essay Length: 605 Words / 3 PagesSubmitted: May 27, 2010 -
The Impact of Media Hype on Consumer Demand: The Case of Mad Cow Disease in The United States
ABSTRACT This paper hypothesises that the Mad Cow Disease (MCD) scare in Europe brought on by the ban on exports of British beef has had a negative impact on beef consumption in the United States. This is in light of the fact that MCD has no direct impact on food safety in the US. Using monthly data an Almost Ideal Demand System containing an intercept dummy capturing developments in the MCD media developments is estimated.
Rating:Essay Length: 1,325 Words / 6 PagesSubmitted: December 22, 2009 -
![The Importance and Procedure of Food Safetly [health]](/previews/00737/43c0fbfa8b0389cefae8979acf3ca5a0.jpg "The Importance and Procedure of Food Safetly [health]")
The Importance and Procedure of Food Safetly [health]
Food borne illnesses are occurring world wide with greater frequency than ever before and as a result, food safety is becoming an increasingly important public health issue. Governments all over the world are intensifying their efforts to improve food safety. Food borne illnesses are diseases, usually either infectious or toxic in nature, caused by agents that enter the body through the ingestion of food. "In industrialized countries, the percentage of people suffering from food borne
Rating:Essay Length: 1,648 Words / 7 PagesSubmitted: April 8, 2010 -
The Importance of Coral Reefs
First of all, they house a collection of diverse organisms, and contribute fisheries which provide food items such as fish, crustaceans, and mollusks. Furthermore, coral skeletons are being used as bone substitutes in reconstructive bone surgery and may be able to provide important medicine, including anti-cancer drugs and a compound that blocks ultra-violet rays, they even help reduce global warming by taking carbon dioxide out of the air. These reefs provide a house for many
Rating:Essay Length: 316 Words / 2 PagesSubmitted: March 9, 2016 -
The Importance of Networking in Asia Food Industry
NUR AIN SYAHIRAH BTE NOR ZAIDI 2016649482 HM 242 5A THE IMPORTANCE OF NETWORKING IN ASIA FOOD INDUSTRY Nowhere has the explosion of e-commerce been as dramatic as in Asia. In recent years, Asia has become the strongest B2C e-commerce region, compared to North America and Europe. Food and grocery segment are becoming increasingly attractive as e-commerce continues to develop across the region. In Australia, Japan and South Korea, while some categories such as clothing,
Rating:Essay Length: 2,115 Words / 9 PagesSubmitted: October 22, 2018 -
The Importance of Organ Donation
The Importance of Organ Donation Each day approximately 6,300 people die and what makes this haunting is that presently there are 83,513 people waiting for organs to be donated, yet each day 17 people die because they do not receive a transplant (http://www.donatelife.net/facts_stats.html). These statistics show that people who are waiting for organ transplants have a good chance at being saved and get what they need. The sad truth is though, because of the lack
Rating:Essay Length: 1,724 Words / 7 PagesSubmitted: March 13, 2010 -
The Importance of Strict Regimens for End Stage Renal Disease Patients on Hemodialysis
It is estimated that twenty-six million people in the United States have Chronic Kidney Disease and another twenty million are at risk of developing it (Dr. Ganjoo). When diagnosed with End Stage Renal Disease otherwise known as ESRD, patients not only face the psychological effects of the disease, but also must adapt to a lifestyle of strict regimens. Adherence to dietary guidelines, fluid restrictions, as well as proper attendance to receive prescribed dialysis treatments can
Rating:Essay Length: 2,214 Words / 9 PagesSubmitted: May 1, 2011