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Science & Nature Essays and Term Papers
Reproduction: A Courting To Nature======================================================================
REPRODUCTION: A-Courting to Nature! LIFE SCIENCES SIG
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For some time she had watched his movements, appearing coyly in his
haunts. And ...
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Natural History Of The LampreyLamprey is a common name for about forty species of jawless, eel-like fishes. They are very smooth skinned and scaleless. Some can grow up to three feet in length, usually only in the oceans. All lampreys are dull colored, ranging from light-tan to molted-brown or bluish-black. Scientist ...
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AlzhiemersBrain cell research offers hope for
NEW YORK, Feb 28 (Reuters Health) -- Taking cells from a
region of the brain known as the hippocampus, an international
team of researchers have grown functional brain cells in lab
cultures. The findings may have profound implications for
restoring damaged or ...
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Genetic EngineeringEthical and Spiritual Issues in "
The choices I will be talking about have to do with biotechnology and , choices
which we are currently not making consciously because we really don't know what is going on. I
would like to tell you what is going on in these areas, and then talk about how we might ...
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UFOs: We Are Not AloneOutline
I. Things in the sky
A. The first documented sighting
B. The fever spreads
1. Pilot encounters
2. The lights in the sky
Ii. Dents in the earth
Iii. Unexplained phenomenon
A. The writing on the wall ...
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DingoNobody is exactly sure where the ÒCanis familiaris Ó came from, it isnÕt originally from Austrailia but arrived between 3,500 to 4,000 years ago. The oldest fossil is dated at about 3,400 years old. It is thought that the is from the same family as the Indian Wolf, like many domestic dogs ...
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Effect Of Temp On Endo And Ectotherms (metabolism)Animal metabolism consists of the utilization of nutrients absorbed from the digestive tract and their catabolism as fuel for energy or their conversion into substances of the body. Metabolism is a continuous process because the molecules and even most cells of the body have brief lifetimes and ...
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El Nino La NinaAs the easterly trade winds decrease, the western Pacific's warm water flows toward the Americas. This giant mass of warm water flows over the colder water of the eastern Pacific. As this occurs, we get what is called El Nino, or the child. Its name ("the child") is derived from its arrival ...
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Early Health And MedicineToday our personal health is often something we take for granted, because over the years we have developed more advanced vitimens, medicines, and cures for numerous sicknesses. In the early days, getting sick was much more terrifying than it is today. The cures for diseases were not much healthier ...
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Mitochondrionare the power plant of a cell. The mitochondria are cells
based within a cell that turn nutrients from chemical form into a more simple
and usable substance for a cell to use as energy.
These sausage-shaped organelles are not a true organelle, but more of a
parasite that invaded primordial cells ...
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Hepatitis B 2Hepatitis B can be prevented with a highly effective vaccine, but this year
ten to thirty million people will become infected with the hepatitis B virus. I feel that because this disease is preventable, only knowledge can help reduce the number of people infected.
Hepatitis B is a serious liver ...
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Alternative MedicineThe health care industry has a variety of policies and
standards regarding coverages for
modalities. From a sociological standpoint, unconventional,
alternative, or unorthodox therapies refer to medical practices
that are not in conformity with the standards of the medical
community. The New ...
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The Nuclear Power DebateIn 1953, nuclear energy was introduced into America as a cheap and
efficient energy source, favoured in place of increasingly scarce fossil fuels
which caused air pollution. Its initial use was welcomed by the general public,
as it was hoped to lower the price of electricity, and utilise nuclear ...
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TomatoesThe tomato and its close relatives are believed to have originated in the mountainous regions of the Andes (Peru, Ecuador and Chile). Other distinct relatives are found among the flora of the Galapagos Islands. These relatives can be found in many environments, from high, moist elevations in the ...
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LandfillsMany people dispose of their trash not knowing or caring where it ends up. Usually trash will end up in a landfill, unless it is recycled. A landfill is an area of land containing trash put beneath the surface either covered by ashes or dirt. It is sometimes lined by either rubber or plastic. ...
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Acid Base ExtractionThe purpose of this laboratory assignment was two-fold, first, we were to
demonstrate the extraction of acids and bases, finally, determining what
unknowns were present. Second, we were to extract caffeine from tea. These two
assignment will be documented in two separate entities.
Introduction: ...
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Early Synthetic PolymersPolymers have been around longer than we have. In fact, polymers are as old as life itself, as all life on earth is based on three types of polymers, namely DNA, RNA, and proteins. But this report is about some of the earliest synthetic polymers, that is, polymers made by humans, specifically, the ...
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The Origin Of HumanityWe live on a planet believed to be 4.5 billion years of age with millions of people covering all parts of it. Where did they come from? Did the whole human population originate from one of people or were we placed here and then improved or changed by an intervention? I believe that humanity on ...
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Down Syndrome 3Down Syndrome is a chromosomal disorder. It occurs in about 1 of every 800 births. People with Down syndrome may have mild to severe learning disabilities. Physical symptoms include a small skull, extra folds of skin under the eyes, and a protruding tongue. People with Down syndrome are subject to ...
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Attention Deficit Hyperactivity DisorderAttention Deficit Hyperactivity Disorder
Attention Deficit Disorders have become a very highly controversial
topic during the last decade. Attention Deficit Disorder, also known as ADD,
is a broad, almost generic term for the different types of Attention Deficit
Hyperactivity Disorders. The ...
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The Effect Of Temperture On Air PressureMy project consists of a series experiments to determine the effect of air pressure in a given environment at various temperatures. The experiments I chose to conduct are:
1) Heat an ordinary pop can on a hot plate and then putting the can upside down in cold water to see the effect of a fast ...
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Global Warming 4Human kind has entered a brand new relationship with the earth. The constant and increasing pressures we are exerting threaten our planets ability to sustain life itself. Change-in the way we think , and in the way we live-is needed now.Global warming is the most urgent environmental problem the ...
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The Hippopotamus: Endangered Species ReportThe ban on elephant ivory trading has slowed down the poaching of elephants, but
now poachers are getting their ivory from another creature, the hippopotamus.
For the poacher, the hippo is an easy target. They stay together for long hours
in muddy water pools, as many as eighty-one can be found ...
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AsteroidsThe universe is a shooting gallery and earth is the bullseye. The earth is always under threat of a doomesday asteroid that will wipe out civilization. There are over one thousand traveling toward earth and only three quarters are accounted for. Where are the other one forth? No one knows because ...
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Bubonic Plague 2The Bubonic Plague, or Black Death, had many negative as well as positive effects on medieval Europe. While being one of the worst and deadliest diseases in the history of the world,it indirectly helped Europe break grounds for some of the basic necessities forlife today.
The Black Death erupted ...
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