International Journal of Scientific & Engineering Research‚ Volume 4‚ Issue 4‚ April-2013 ISSN 2229-5518 Nanotechnology- Impacting in Life science and Technology . Dr.A Mohamed Sikkander Department of Chemistry‚ Velammal Engineering College‚ Chennai‚ Tamil Nadu‚ India Email:ams240868@gmail.com ABSTRACT One of the most pressing issues facing nanoscientists and technologists today is that of communicating with the non-scientific community. As a result of decades of speculation‚ a number
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Human Impact on the Environment Every living thing has an impact on its environment. Therefore a human impact on the environment is inevitable. By simply existing‚ all species - including ourselves - will imprint their mark on the world around them. What differentiates us from other species is our ability to greatly overburden our environment with very few limits. The information regarding our human impact is vast and impossible to cover in one article but I will attempt to cover a basic overview
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“Evolution by natural selection is now replaced by evolution through human intervention.” Evolution has been one of the big topics on the science part of the world. Through years‚ there has been many debates on not the idea of evolution but by which process(es) it undergoes. There is the natural and artificial selections. I take I have enough knowledge to distinguish both sides of the argument and to take my stand which would be somewhere right in the middle‚ leaning more on the natural selection side
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weather over longer time period can be depicted as climate change. Climate change is due to natural internal procedures or external pressures‚ or to relentless anthropogenic alterations in the composition of the atmosphere or in land utilization. Earlier in the beginnings of Earth ’s history climate changes were normally induced by different vibrant processes on Earth but recently it is caused by human activities. This is the reason that in our everyday talks the term climate change refers to climate
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Human Activities and the Loss of Natural Resources Natural resources including soil‚ water‚ forest‚ mineral and biodiversity have been repeatedly destroyed around the world by humans. “Since 1970‚ over 600‚000 square kilometers (232‚000 square miles) of Amazon rainforest have been destroyed” (Butler‚ 2011). The FAO (Food and Agriculture Organization) estimated that “soil erosion carries away a volume of soil equivalent to one metre deep over 200‚000 hectares every year in the Philippines.” In
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Mechanisation and Human Life Exercise 1 Mechanisation is providing human operators with machinery that assists them with the muscular requirements of work or displaces muscular work. In some fields‚ mechanization includes the use of hand tools. In modern usage‚ such as in engineering or economics‚ mechanization implies machinery more complex than had tools and would not include simple devices such as an un-geared horse or donkey mill. Automation/Mechanisation has had a notable impact in a wide range
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time. Natural selection is where animals with advantageous characteristics produce more offspring‚ therefore passing down favoured genes. In the more developed parts of the world‚ medical care and access to food means natural selection is lesser‚ as selective forces that were there before e.g some diseases and predators‚ are no longer there. Therefore‚ some humans that have characteristics that would have previously meant they produce less offspring‚ reproduce at a similar rate to humans with more
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several categories including natural and human sciences. And by natural science‚ we mean it’s the disciplines and studies of the “physical world” or the “phenomena of the physical universe” as philosophers call it; where truth is a firm proclamation‚ and could be justified through experiments and observations. A fine example would be‚ the rotation of the earth which could be justified using astronomy‚ physics‚ and math. On the other hand‚ human sciences tend to observe human nature and behavior; however
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Humans have impacted this world greatly with the increase of technological advances. For the most part‚ though these things have been helpful in creating a Global Community‚ the impact of this rush of technology has been negative. The fast-paced industry of technology is of the mindset of "faster‚ better‚ more efficient." This betterment of the current technology has left a lot of waste in its path. Old computers and cell phones have little use anymore and are hard to recycle. Although there has
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this is "Natural Human Growth Hormone" As we grow‚ our body faces a major physical change which consists of both positive and negative effects which directly affects us on our living. Growth of human hormones is one of the most important factors which devalue on as we become older. The process of aging is directly related to human growth‚ which is created by a pituitary gland‚ the master gland of the endocrine system. The human growth hormones play a vital role in the development of our body
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