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Science and Nature Term Papers and Reports
The Human Cloning Controversy
1356 Words - 5 Pages

.... monsters, or 'doubles.' This is all nonsense. Human clones would be human beings like you and me . . . They would be carried and delivered after nine months by a human mother . . . Consequently, a clone twin will be [years] younger than the original person. (1) Whether or not scientists should or should not clone humans is a tough question to answer. Legally, are scientists able to make clones? The answer is no. Should scientists be able to make a headless human? (body parts) Yes, as long as no law exists banning headless humans. Before going into this controversy, some background about what has happened in cloning would be useful. Two astonishing feats have been a ....


Abortions
711 Words - 3 Pages

.... case. For example an unwanted child is a pitiful thing, and the apparent social problems like child neglect, and financial burden that comes with it don’t have easy solutions. On the other hand, the thought of killing a little baby is disgusting and unthinkable. This is where I stand, and the only solution I can come up with is the total ban of altogether. This task should not be a hard one, but it might take some time. My plan calls for the closing and the illegalizing of abortion clinics, and the prosecution of people who perform these deeds. As with any big descion we must consider the opposing views. One reason that the debate on what we should do about does ....


Aerosol Spray Cans
583 Words - 3 Pages

.... and the propellant, a compressed gas such as butane or Freon. The gas is partly liquefied by the pressure in the can, but there is a layer of free gas above the liquid. As the can empties liquefied gas vaporizes to fill the space. The valve is normal held shut by the pressure in the can, and by the coil spring directly below the valve stem. When the push button is pressed, it forces the valve stem down in its housing, uncovering a small a small hole which leads up through the stem to the nozzle in the button. This allows the product to be forced up the dip tube by the gas pressure in the can. The nozzle is shaped to give a spray or a continuous stream. To produce a fin ....


Genetic Engineering
1118 Words - 5 Pages

.... treatment, somatic gene therapy, germline cell therapy, medical treatment, and eugenic therapy. Many people believe that genetic therapy is morally not right, but there are so many benefits for the world because of it. Some of scientist ideals of how to alter this new science to create the perfect human does in-fact sound crazy. But if was regulated to prevent such things the new science could bring wonders to many peoples lives. The first form of began with a man named Mendel, a monk in the late nineteenth century. He was the first to even formulate the concept of the gene from his experiments on pea plants. Since Mendel, other scientists have continued in ....


The Big Bang
1282 Words - 5 Pages

.... of that early stage rapidly expanded and cooled. Several million years later, it condensed into galaxies. The universe has continued to expand, and the galaxies have continued moving away from each other ever since. Today the universe is still expanding, as astronomers have observed. The Steady State model says that the universe does not evolve or change in time. There was no beginning in the past, nor will there be change in the future. This model assumes the perfect cosmological principle. This principle says that the universe is the same everywhere on the large scale, at all times.2 It maintains the same average density of matter forever. There are ....


Hepatitis B
1329 Words - 5 Pages

.... sexually from men to women and women to men. Transmission is probably prevented by correct use of condoms. Health care workers and patients receiving hemodialysis are also at increased risk of infection. Effective vaccines are available for the prevention of HBV infection. All individuals at risk for infection should be vaccinated. Post-exposure prophylaxis with immune globulin is also effective for non-immune individuals after a known exposure (e. g. needle stick). Consequences of HBV Infection HBV causes acute and chronic hepatitis. The chances of becoming chronically infected depends upon age. About 90% of infected neonates and 50% of infected young children wi ....


Ozone Depletion
794 Words - 3 Pages

.... one of the major components in making CFC so their damage is similar. When they inter the outer atmosphere, They react with ozone chemicals to release chlorine and bromine that in turn deteriorate the ozone and form "thinning" or "holes." This is catastrophic because they are bonded very strongly together and cannot be broken down by water. This means they travel into the atmosphere virtually unharmed by rain or decomposition (Goldfarb 282). The reason these are causing such a commotion is the damage they cause to living things on Earth. When the ozone depletes, it causes more ultraviolet (UV) rays to hit the Earth's surface than are healthy (Singer and Crandall npg). ....


Effects Of Deforestation
774 Words - 3 Pages

.... means the loss of habitats for many species. Current statistics show that as many as 100 species become extinct every day with a large portion being attributed to deforestation (Delfgaauw, 1996). "Edge effects" are the destruction or degradation of natural habitat that occur on the fringes of fragmented forests. The effects for the animals include greater exposure to the elements (wind, rain etc…), other non-forest animals and humans (Dunbar, 1993). This unnatural extinction of species endangers the world's food supply, threatens many human resources and has profound implications for biological diversity. Another negative environmental impact of deforestation is that it ....



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