243 results found, view free essays on page:
-
Embryonic Stem Cells Blood Sugar Levels
1,188 words
Introduction Type 1 Diabetes mellitus, formerly
known as insulin-dependent diabetes mellitus is a
disease that is defied as a metabolism disorder.
It affects about 5 - 10 % of the diabetic
population estimating to about 4. 9 people
worldwide. In this type of diabetes, the onset of
elevated blood sugar levels usually begin abruptly
in a fairly dramatic way before the age of 30 and
about half of all the cases appear during
childhood. The cause of diabetes type 1 is an
autoimmune destruction in whi...
Free research essays on topics related to: type 1 diabetes, producing cells, diabetes mellitus, blood sugar levels, embryonic stem cells
-
Light And Dark Black And White
1,313 words
Perception involves the input of basic information
from a retinal image. Retinal images can be
ambiguous in terms of size and orientation of
lines, blood vessels infront of the retina, eye
tremors and the blind spot can affect perceptual
responses. One retinal pattern can lead to
different interpretations and distorted images
from inadequate sensory data, but perception of
something as a recognisable object remains stable
despite variations in the retinal image, such as
light, or position of the...
Free research essays on topics related to: black and white, visual perception, optic nerve, blood vessels, light and dark
-
Optic Nerve Nerve Fibers
1,351 words
This research paper examines glaucoma over the age
of 40 in the United States, in the last 10 years.
Knowing the fact that glaucoma is the second
leading cause of blindness in the United States
leads us to choose this subject for research.
Glaucoma is a group of eye diseases that gradually
steals sight without warning and often without
symptoms. Vision loss is caused by damage to the
optic nerve. This nerve acts like an electric
cable with over a million wires and is responsible
for carrying the...
Free research essays on topics related to: clinical trials, african americans, intraocular pressure, optic nerve, nerve fibers
-
Their Eyes Were Watching God
1,259 words
Their Eyes Were Watching God Janie's narrative in
Their Eyes Were Watching God written by Zora Neale
Hurston may be interpreted as both an actual and a
symbolic journey. The multi-layered novel tells
the story of Janie Crawford, a black woman in her
early forties, who is described as the
prototypical black woman belonging to the new
generation. This is the novel of about
self-discover, where the main character of the
story in many respects bears a strong resemblance
to Zora Neale Hurston herself...
Free research essays on topics related to: janie crawford, zora neale hurston, logan killicks, eyes were watching god, tea cake
-
Burial Chamber Lord Carnarvon
1,327 words
The pyramids of Pyramids Pyramids The pyramids of
Egypt are the last remaining Wonder of the World.
Even in the days of Ancient Egypt when powerful
pharaohs ruled over Egypt the pyramids were
considered a wonder. Today, the ruins of 35
pyramids still stand near the Nile River in Egypt.
These pyramids were built to protect the bodies of
Egyptian kings and other royalty but before the
pyramids became the standard for burials, tombs
were used for Egypt's early rulers, nobles, and
other high ranking...
Free research essays on topics related to: ancient egypt, great pyramid, step pyramid, burial chamber, lord carnarvon
-
Costa Rica Indigenous Tribes
905 words
Costa Rican: Population Changes And Deforestation
Essay, Costa Rican: Population Changes And
Deforestation Costa Rican: population changes and
deforestation Costa Rica has two major forest
types that currently cover almost half of the
countries life zones, tropical moist and tropical
wet. Originally Costa Rica was covered by a 99. 8
% natural forest and by 1977 was reduced to just
31 %. Most of this deforestation had occurred
since the 1950? s (Hartshorn, et al. 1982). A
study done by the Center...
Free research essays on topics related to: sustainable development, costa, indigenous tribes, costa rica, indian population
-
Ozone Layer Ice Caps
1,401 words
Article Current Science CURRENT SCIENCE Article 1
-Artical 1 -Artical 1 -Artical 1 -Artical 1
Largest meat-eating dinosaur discovered Who:
Philip Currie is a scientist, shown in picture, is
responsible for the discovery of this new dinosaur
with the help of a team of paleontologists What:
Bones have been discovered witch could belong to
the largest meat eating dinosaur ever to walk the
earth. This dinosaur is said to be bigger and more
terrifying than the Tyrannosaurus Rex. It is
estimated that ...
Free research essays on topics related to: ice caps, taking place, meat eating, southern hemisphere, ozone layer
-
Glue Chocolate Mixture Milky Way Bar Caramel
679 words
Few things bring more pleasure than a rich,
delicious Milky Way candy bar. The soft nougat and
chewy caramel lie within a blanket of smooth,
silky chocolate, giving it a flavor that few can
taste without longing for more. Even this
wonderfully delectable candy bar has defects,
however, as all good things are bound to have. But
never fear, for these flaws can be corrected. I
have eaten many Milky Way bars in my lifetime, and
a while back I noticed that little pieces of the
chocolate coating fell ...
Free research essays on topics related to: candy bar, bar, candy, chocolate, milky
-
Millions Of Years Ozone Layer
1,312 words
My views of the environment are rooted in my
belief in creation. I do not believe that life on
earth began spontaneously, nor do I believe that
the earth is so delicately balanced. I don? t
believe that the earth and its ecosystem are
fragile. Many radical environmentalists do, they
believe man can come along, all by themselves and
change everything for worse. After hundreds of
millions of years, they believe that we are the
last two generations of human existence. And they
think we can destroy ...
Free research essays on topics related to: gas masks, ten years, millions of years, northern hemisphere, ozone layer
-
Millions Of Dollars Ozone Depletion
946 words
Halon an extinguishing agent was developed after
World War II for the protection of aircraft
engines. Several types were developed, and several
were banned and discontinued such as halon 104.
Other types were halon 1202, halon 1211, halon
1301, and halon 2402, which was never widely used
in the United States due to its high toxicological
concerns. Halon type 1101 was widely utilized for
aircraft engines. The two most common types being;
halon 1301 bromotrifluoromethane, C BrF 3, which
is most co...
Free research essays on topics related to: millions of dollars, ozone depletion, warning signs, ozone layer, dollars worth
-
Fossil Fuels Greenhouse Gases
1,324 words
The importance of the greenhouse effect was just
conceived in the mid-twentieth century. ? For
billions of years, cosmic forces shaped Earth, and
land and air coevolve at an almost inconceivably
slow pace to create a climate in which human
beings and other creatures could flourish. ?
(Francesca Lyman). Now, for the first time,
humanity has the power to change the global
climate. By releasing the huge amounts of carbon
stored in fossil fuels over millions of years, we
are distorting the natural c...
Free research essays on topics related to: carbon dioxide, greenhouse effect, fossil fuels, greenhouse gases, global warming
-
Tcp Ip Frequency Hopping
2,239 words
Been 1 TCP/IP AND THE FUTURE OF THE INTERNET OVER
WIRELESS MEDIUM By Robert Been ISM 410 Fifteen
Years ago computers were just an expensive
typewriter, calculator, and entertainment center
thrown together in one box. People transferred
their tiny files with floppy disk. The computer
itself seldom had a hard drive. It was an amazing
feat to dial into a computer bulletin board, and
talk to other users of systems. Networking
computers was more or less unheard of. The only
exception were mainframes ...
Free research essays on topics related to: mcgraw hill, electronic commerce, frequency hopping, lucent technologies, tcp ip
-
Increase In Population Carbon Dioxide
472 words
How Economic Development In The 1950 - 2000
Affected How Economic Development In The 1950 -
2000 Affected The Environment The economic
development from 1950 - 2000 affected the
environment by the increase in population,
industrialization started, and the shortage of
nonrenewable energy sources. Pollution,
industrialization, and nonrenewable energy sources
had important affects on the environment. The most
important issue that was worried about was the
increase in population. United Nation estima...
Free research essays on topics related to: upper atmosphere, carbon dioxide, rain forest, greenhouse effect, increase in population
-
Archaic Period Early Classical
1,122 words
By Greek Art Greek Art By Lizette There are three
major categories of Greek sculpture: freestanding
statues, architectural sculpture, and non
architectural reliefs. The principal subjects of
Greek sculpture are gods, heroes of legend, and
athletes, youths, or maidens intended to
demonstrate ideals of beauty. Whatever the
subject, category, or material, the typical Greek
sculpture was basically spiritual in function.
Most statues and reliefs were dedicated as
offerings in sanctuaries to please or...
Free research essays on topics related to: greek art, classical period, archaic period, female body, early classical
-
Bright Angel Trail Hiking The Grand Canyon River
1,156 words
Hiking the Grand Canyon I spent 5 years traveling
America and have been to 40 states. I kept a
detailed journal of my travels. One of my favorite
places I visited was the Grand Canyon. My husband
and I took an 18 -mile day hike. We spent the
night in Flagstaff and arrived early at the South
Rim entrance. Of all of the pictures I have seen
of the Grand Canyon, I was truly surprised by how
many trees and how green the Grand Canyon was! I
was really expecting a big barren red hole, but
trees were e...
Free research essays on topics related to: canyon, grand, grand canyon, trail, bright
-
Hopi Indians Geometric Shapes
701 words
Pottery is an essential part of the lives of the
Hopi Indians in the Arizona region. They have
dweller in this region from about 1100 A. D and
have created some excellent pottery since then.
Although the same artistic techniques have been
renewed in each pottery, the styles have changed
within the years. In 450 A. D, the More, the Hopi
word for? the peaceful ones, ? developed the first
attempts of pottery after meeting the Mogollon
Indians. Thick-walled, gray, undecorated pottery
began to appear...
Free research essays on topics related to: hopi indians, essential part, native americans, geometric shapes, long ago
-
Beam Of Light Laser Beam
497 words
How a CD works Compact disc (CD) players have
increasingly replaced the phonograph and the
cassette tape. They offer a clear, crisp sound,
faint background noise, and have the additional
advantage of longer life. In addition to their
audio content, some compact discs contain digital
graphics that can be displayed on a television
screen. To understand how a CD works one must
understand what a CD consists of. A CD is about 1.
2 millimeters thick. Most of the CD consists of an
injection-molded piec...
Free research essays on topics related to: disc, cd player, laser beam, compact disc, beam of light
-
Ultraviolet Rays Congressional Quarterly
755 words
I do not think that until recent evidence of our
depleting ozone, that the 20 th century population
showed much concern. I know that when I was
younger it did not matter to me the importance of
using an aerosol can of hair spray or a plastic
pump non-aerosol hairspray. I figured that they
were all the same. I feel that anyone without the
education of the destruction would care either. It
was not until I read about the evidence of our
destruction that my ignorance of the ozone problem
became too ...
Free research essays on topics related to: ozone layer, ultraviolet rays, congressional quarterly, air pollution, skin cancer
-
Ultraviolet Rays Uv Rays
633 words
The ozone layer shields the earth from most of the
harmful radiation and light comming from the sun.
The ozone reflects and absorbs the ultraviolet
rays that try to come in. Without this kind of
protection, all living things will be effected by
these UV rays. Skin cancer develops in most living
mammals as a cause of an overabundance of the suns
ultraviolet rays. The ozone layer is located in
the earths stratosphere. The ozone layer is
located from about fifteen-to-thirty kilometers
above the ear...
Free research essays on topics related to: squamous cell, skin cancer, ultraviolet rays, ozone layer, uv rays
-
Rotation Period Wide Open
2,643 words
Saturn is the outermost planet of the planets
known in ancient times. The earliest known
observations of Saturn, by the Babylonians, can be
reliably dated to the mid- 7 th century BC, but it
was probably noticed much earlier, since Saturn
tends to shine brighter than most stars. To the
naked eye it appears yellowish. The Greeks named
it after Cronus, the original ruler of Olympus,
who in Roman is the god Saturn. Saturn is the 6 th
planet in order distance from the sun. It cannot
approach the pla...
Free research essays on topics related to: saturn, 000 km, 000 kilometers, wide open, rotation period
243 results found, view free essays on page: