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At present we are immersed in a highly demanding and competitive, which requires both current and new professionals stay current in each of their areas, keeping interdisciplinary approach of those involved in their field of expertise, whether technical or administrative.

For these reasons arise in 2008 the "1st National Congress of Chemical Engineering and Engineering Environment "today is given below in this effort by integrating a curriculum more in Food Engineering, offering the" 2nd National Conference on Engineering, Innovation and Technology. Chemistry - Environmental - Food. "

The event will be filled with the vast experience of those who have already developed "in the professional field" or that have sought solutions through research, equally responsible for organizing these efforts to provide social and business responses.

Mission: Provide
academic quality show that provides skills, attitudes and values \u200b\u200bin order to achieve a competitive level, through conferences and workshops, providing expertise to enable linkage with the productive sectors, social and service engineers so that as we get participation in solving problems and the approach alternatives that promote sustainable development.

Vision: Consolidate
this conference as the most representative event in the country, in the careers of Chemical, Environmental and Food, being recognized for the quality of their activities and participation and national speakers international in each of the areas; in order to meet expectations and professional needs demanded by society.

More information at

http://www.uv.mx/congresoingenieria/index.html

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Light Year "? TRANSGENIC FOOD

Hello dear readers!

Most have heard the term "light years away", perhaps at school, on television or have read in some news with scientific themes. We imagine, perhaps because of logic that are great distances, but you really know what is meant by this unit? That's why today we want to share the following article.

What is a light year?
By: Francisco J. Sánchez Marín *

Astronomers are used to talking about light years. Often say, for example, that the star Sirius in Canis Major (the brightest in the sky after the Sun) is 8.7 light years from our planet. But what does that mean?

happens that the stars are so far from our planet Earth is not practical to make use of units such as kilometers to measure how far they are from us.
Returning to our example, if we use the miles would to say that Sirius is 82308960000000 kilometers of land. It's not as easy to read that number right? This is what is called astronomical distances.

To make things simpler, astronomers use what is called a light year. A light year is the distance light travels in one year. That is, if we consider that light travels at a speed of 300.000 miles per second, we can give an idea how far a light year equals. Accounts do: if an hour includes 3600 seconds, a day equals 86,400 seconds and a year to 31,536,000 seconds. If we multiply this last number by the speed of light get 9460800000000, which is the kilometers distance light travels in one year, ie given a light year in kilometers.

said, it is interesting to think that when we perceive the image of Sirius, the image was formed with the light from Sirius 8.7 years ago. That is, the image we perceive is the Sirius when it was 8.7 years ago where we see now. Then, if the vast majority of stars are many light years from our planet, when we look at the sky on a starry night What we're seeing?

* http://www.cio.mx/web_ant/curricula/s_fsanch.html
photo: http://itaca.zonalibre.org/archives/universo.jpg

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Kekule

J. Neftaly Cruz Mireles. Universidad Veracruzana.

Faculty of Biology - Xalapa.

In recent years, have developed techniques that have helped to address the analysis and manipulation of DNA in a way unimaginable. This set of techniques known as recombinant DNA technology "or" Genetic Engineering. " Among other things, this science allows the extraction of DNA belonging to a biological taxon and put it in another, for example, in nature a fish and a tomato can not be crossed, but in the laboratory it is possible to remove fish and place genes in tomato plants by creating a completely new body. One of the contributions of this scientific discipline to humanity are "Genetically Modified Organisms (GMOs) or" transgenic. "

Since the 1980's, became a reality the idea of \u200b\u200bintroducing genes into animals and plants. An animal or plant that incorporates new genetic information, by adding foreign DNA, is called "transgenic" and incorporated the gene is called a "transgene." GM foods are those that were produced from of genetically modified organisms. Currently, food have a greater presence from transgenic plants such as corn, soybeans or barley.

Improved species used in the feed has been performed since ancient times. There is evidence that already in the 12.000 and 4.000 a. C. genetic improvements were made in plants, however, this was done indirectly through crosses between plants to improve. This is what is known as classic or traditional breeding.

Among the most frequently mentioned benefits of GM foods are the introduction of new quality features (eg, tomatoes or ears larger corn), the use of these foods in nutrition and health (for example, with the inclusion of vitamins in foods and vaccines); and crop resistance to pests, thus reducing production losses and the use of insecticides. Thus, the cost of a GM crop production are very low, the product quality is higher and environmental impact through the use of chemicals is lower.

However, until now there is no conclusive study that claims that GM food consumption does not affect human health in the long term. What is clear is that GM crops can interbreed in nature with native species of plants, which could result in loss of these and the emergence of new species with unknown characteristics.

The controversy over GM food consumption still continues. However, it is a reality that is found in our daily food intake. Urgently needed in our country the existence of a legal framework that regulates the production of genetically modified organisms, that to exploit its benefits and minimize possible risks.