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Science and Nature Term Papers and Reports |
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Biology 2
516 Words - 2 Pages.... the bat is able to utilize its wing for more than one purpose such as crawling, or moving without flight.
The hypothesis that was being implemented was that "the wing is expected to have design features that allow both powered flight and the generation of violent jumps." The Demodus rotundus demonstrates intricate movements including flight-initiating jumps and because of this the wing is expected to be engineered for the ability to jump (to initiate flight) and also powered flight.
The prediction that was made for this experiment was that this experiment would follow the results that were observed by Altenbach in 1979, and 1988. That is, that the bat would indeed ini ....
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Masters Of The Universe
668 Words - 3 Pages.... almost to nothing, the point in space that it makes is called a singularity(Filkin 216). The singularity is the bottom of the black hole.
Every stellar body has an escape velocity(Intro. to Black Holes 1). The escape velocity is the speed at which one must be going to escape the gravity of the object in question(Intro. to Black Holes 1). The Earth’s escape velocity is seven miles per second(Intro. to Black Holes 1). This means that to leave the Earth’s gravitational pull, you must be able to travel at least seven miles per second(Intro. to Black Holes 1). To escape a black hole, your velocity must reach at least the speed of light(Intro. to Black ....
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Aromatherapy
884 Words - 4 Pages.... can help ease a wide assortment of ailments; easing aches, pains, and injuries, while relieving the discomforts of many health problems. also acts on the central nervous system, relieving depression and anxiety, reducing stress, relaxing, uplifting, sedating or stimulating, restoring both physical and emotional well-being. Although is consider to be a new and alternative foram of medicine in the western world, however it has been practiced for thousands of years in the eastern world.
A lot of interest in stems from its use as an 'alternative medicine' or even a 'complementary medicine'. It is certainly true that before pharmaceutical companies brought a vast array of ....
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Endocrine Disruption
2635 Words - 10 Pages.... and adrenal. The organs, which also play a vital part, are the pancreas, gonads, kidneys, heart, and parts of the digestive tract. All these different glands or organs work together in the production of certain hormones. Those produced in one location will almost always have an effect on many other areas of the body, not just the surrounding tissues.
An analogy that fits very well with the study of the endocrine system is that of a message in a bottle. We can think of the body as a river, and a specific hormone may be a bottle containing a message. The organs or glands mentioned above would manufacture the “bottles” (hormones) that would be released ....
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Are UFOs Real?
3163 Words - 12 Pages.... unidentified flying objet. It is also take to mean any aerial phenomena not readily explainable (Doherty 129). Meteors, planets, rockets, stars, artificial satellites, and weather balloons are often the explanations behind UFOs (Doherty 17). The theory, however, that UFOs come from outer space is called the extraterrestrial hypothesis. The only problem with this theory is the distance involved in interstellar travel. Another hypothesis on the nature of UFOs is the demonic force hypothesis. It states that the UFOs represent demons coming to earth for the final battle between good and evil (Randle 112). The not so widely accepted theory is that of hallucination/dream. Its ....
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The Evils Of Hunting
430 Words - 2 Pages.... their land in the future. When a person wishes to hunt on a certain
person's land, s/he is often denied the privilege, after the proprietor of the
land has had one negative experience with some other hunter. This can make
hunting a much harder sport to participate in, even for the people who are
hunting for their livelihood. (Satchell 30)
Over the years, hunting has reduced the animal population drastically.
In the 1970's, the number of ducks making annual flights was approximately 91.5
million. In 1995, the number had been reduced to around 64 million. Within 20
years, in short, the duck population was reduced by almost one third, showing
the drastic toll hunting is taking ....
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An Argument For Animal Research
621 Words - 3 Pages.... human subsistence. "For most of the past decade, the
animal-rights movement hasn't merely opposed animal research; it has
tried to destroy it." ( ¯The Wall Street Journal®, "Animals and Sickness", Page
378.) Animal rights advocates and activists generally have ethical objections
regarding treatment of animals during experimentation, but the use of animals in
research for the benefit of all people is and always will be justifiable.
Over 99 percent of all animal experiments are on rats and mice developed
expressly for laboratory use. "Less than 1 percent of experiments involve cats,
dogs, farm animals, nonhuman primates, frogs, fish, and birds." ( ¯Encyclopedia
of ....
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Dioxins
1755 Words - 7 Pages.... Están compuestas por la liberación de cloro al quemarse, juntándose con moléculas de carbono e Hidrógeno (comúnmente presentes en el aire). Por mucho tiempo se les usó como pesticida, pero ya dejaron de ser efectivas pues algunas clases de insectos, lograron transformarse para que las dioxinas no surgieran un efecto mortÃfero en ellos y por tanto dejaron de ser efectivas. Esto llevó a que por algún tiempo (y en la actualidad en pocos lugares en donde todavÃa se usa este tipo de pesticida), las dioxinas llegaron hasta nosotros no solo por el aire sino que directamente por los alimentos. Son lipofÃlicos, es decir solubles en las grasas y sus moléculas està ....
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