|
|
|
» Browse Science and Environment Term Papers
Lsd 3
Number of Words: 444 / Number of Pages: 2
... dosed himself and was overcome with confusion. He was then obligated to leave work due to “a sensation of mild dizziness” and “extreme activity of imagination.”(Discovery, 2) On April 19, 1943, at exactly 4:20 pm, Dr. Albert Hofmann ingested 0.25 mg. of liquid LSD and journeyed on the first intentional “acid trip.”
In 1947, Dr. Hofmann’s employers, Sandoz Laboratories, began marketing LSD in Europe. It was introduced into the United States a year later. They advertised it “as a cure for everything from schizophrenia to criminal behavior, ‘se ...
|
|
Biological And Nuclear Weapons
Number of Words: 909 / Number of Pages: 4
... programs are unfriendly toward the U.S. Some of these countries are located in the Middle East and some are signatories to the Biological Weapons Convention. This 1972 Biological and Toxin Weapons Convention, prohibited its signatories from possessing or employing such weapons. This possess a significant threat to the U.S. and all the other countries who hold grudges with the ones who have biological warfare programs.
Nations acquire biological programs because they view it as an "inexpensive route to acquisition of a weapon of mass destruction." Biological weapons are often called a "poor man's ato ...
|
|
Cryogenic
Number of Words: 3029 / Number of Pages: 12
... patients have arrived as late as six hours after death.
At the center, your body is put on a table in the perfusion room. A team of three or four technicians work to drain the blood out of your body and inject a cryoprotective agent to get as much moisture as possible out of the tissues, so the organ don't crack during freezing.
The body is then dried and wrapped in a cotton sheet. It is placed, cocoonlike, into a standard sleeping bag, head first, with the open end by the feet tied off. The body is placed in a large brown box lined with Styrofoam and packed with dry ice. It remains there for sev ...
|
|
Aurora Borealis 2
Number of Words: 957 / Number of Pages: 4
... believed that the northern lights were the spirits of dead relatives, dancing around in the sky, while the Vikings believed that they were caused by a fire on the edge of the world. In the fourteenth century, Aristotle described the auroras as jumping goats caused by the earth=s vapours being set on fire by meteors. Later on, in 1707, a Norwegian physicist claimed that they were caused by steam and smoke that escaped from a heat source beneath Greenland. It was not until the late 1950's that scientists finally discovered the true cause of the aurorasC Solar Wind.
Solar Wind
Approximately every el ...
|
|
Ivf - In Vitro Fertilisation
Number of Words: 1069 / Number of Pages: 4
... medium.
- The egg and sperm are placed together in a suitable medium for fertilisation to occur in a culture dish. If fertilisation does not occur after 72 hours, the oocytes (incompletely developed eggs) and sperm are disposed of. The
resulting embryos are observed for the next few days.
- A small plastic tube is inserted through cervix to place embryos into the uterus. The patient is able to go home a few hours later with minimal discomfort. During the first two weeks after embryonic transfer, hormones (such as Progesterone or HCG) may be administered.
The procedure above can bring eith ...
|
|
International Space Station
Number of Words: 2523 / Number of Pages: 10
... It was in 1984 when the first construction plan was unveiled, called “Freedom.” A “power tower” concept was designed, which is a long slender unit that would be the center of the entire structure. This tower would be a long, narrow piece of latticework, chosen for its stability and to avoid the use of every day thrusts to maintain its altitude. All the laboratory modules would then surround the “power tower.” A free-flyer module would be used to conduct experiments in incessant, stable conditions away form the main tower structure.
The “power towe ...
|
|
How To Grow Venus Fly Traps
Number of Words: 1055 / Number of Pages: 4
... leaves blacken and die regardless of how many insects are caught and the plant continually sends out new leaves during the growing season.
Venus flytraps usually grow along the dampish edges of sandy, wet bogs or fens. The plant begins its growth each spring, sending out a resette of small leaves. Usually the plant flowers around April or May. Summer arrives and the plant produces its larger leaves, often on upright petrels. Some plants remain rosetted all season. With the approach of autumn, flytraps get small. In winter they are dormant, with tiny leaves or no leaves at all. In their native habit ...
|
|
Leprosy 2
Number of Words: 3112 / Number of Pages: 12
... promote infection. For example, one may wish to investigate the following:
1) Mycobacterium leprae as yet to be cultured in laboratory media? Why?
2) Why is leprosy so prevalent in some parts of the world (i.e. India) but not in others?
3) How does leprosy become so widespread in a population?
4) Despite the discovery of drug treatments, why are over million people still infected?
5) Is there a genetic predisposition to leprosy?
6) Are there non-human sources for the disease?
7) Is there a vaccination for leprosy?
These are just a few of the many issues currently under examination. Over the years, ...
|
|
Our Radiant Planet- Depletion Of The Ozone Layer
Number of Words: 978 / Number of Pages: 4
... can destroy 10,000 ozone molecules! Atoms
containing bromine, nitrous oxide, and hydrogen oxide radicals are also
primarily dangerous. As a result, the Ozone in the stratosphere has been reduced
to such an extent that ozone holes are appearing around the globe, in particular
one over Antarctica that in 1995 measured 8.2 million square miles. This
depletion has allowed more dangerous UV-B radiation to reach the earths surface.
So what effects will ozone depletion have on us? Although, at present, the
ozone layer blocks out most of the damaging UVB radiation received from the Sun,
a small amount ...
|
|
ADHD On Child Intelligence
Number of Words: 2216 / Number of Pages: 9
... bio-genetic influence of . Testing and treatments of those with ADHD will also be discussed. In accordance with Dulcan et al. (1997) ADD, ADD-H, ADHD, although not identical, will be considered interchangeably due to similarity.
Characteristics and Testing of ADHD Intelligence
Even though ADHD occurs in people of every intelligence, a majority of children affected experience academic problems. These children may have specific learning disabilities, such as dyslexia, or may have multiple learning problems (Beiderman et al., 1993). In a study by MacLeod et al. (1996) comparing ADHD children with ...
|
|
|
