Wednesday, November 25, 2009

Wearing Girdle At Work

Avoid Heart Attacks Get angry!



The study was published in Journal of Epidemiology and Community Health and called "coping undercover" to the different strategies that people use to suppress their emotions.

Stockholm In a study of 2,755 men aged between 19 and 70 who had never suffered a heart attack. Asked participants what methods adopted to handle difficult situations: handled things head on, they let things happen without a word, turned away from the conflict situation, they developed symptoms such as headache or stomach or were in a bad mood when I get home.

At the same time took a record of habits like smoking, drinking alcohol, exercise, education level, health status, diabetes, the demands of their work and their freedom to make decisiones.Se measured their blood pressure, rate body mass and cholesterol levels.

After 10 years (2005-2006) the researchers gathered at the national hospital records the details of the men who had suffered a heart attack or died as a result of heart disease, found that 47 of the 2,755 participants were affected

Researchers found that men whose coping strategy was to move away from conflict to sometimes or often, or those who let things go without saying anything showed twice the risk of a heart attack or death from heart disease, compared with men who defied the situation or faced openly. Those who used to develop headaches or stomach or sulk at home, showed no increased risk of disorders.

Investigators believe that anger can cause physiological stress is not released and if this can cause increased blood pressure, which eventually damages the system cardiovascular. What the study shows is that away from conflict and say nothing are not constructive ways of dealing with the problem.

best, experts say, is to find ways to manage stress and conflict positively, both at work and at home.

Saturday, April 11, 2009

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What is Dengue?

is it?

is a infectious disease caused by a virus that is transmitted to humans by the bite of the Aedes mosquito Aegypti females (characterized by being brown with white spots) and this is the only way of contracting the disease not spread person to person there.

Symptoms?

* High fever.
Headache.
* Pain in the muscles bones and joints.
* Severe pain in eyes.
* Nausea and vomiting.

And in some cases:
* rashes and rash on different parts of the body.
* bleeding in the mouth (gums) and ears.

* BE ANY DOUBT CONSULT A DOCTOR *

ways to prevent it?

Avoiding the mosquito PLAY , for this we must avoid leave scope standing water :

* Keep tightly covered containers where water is stored

* To face down any container that can hold water: buckets

  • old cans thrown or piled
  • Vases home or cemetery - change the water covers sand cars
  • runs

* Fill any hole that can be used by mosquitoes to lay eggs:

  • On the walls
  • in hollow trees

* Ensure that water tanks are covered roofs and closed

* Discard small caps containers such as bottles or cans

* Preventing after rain puddles are , we must put sand or mud

* Change water daily to pets

Monday, April 6, 2009

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Adam: the new scientific

A dam is a machine prototype capable of carrying out scientific experiments and generate knowledge autonomously. L E

automaton is presented to society this week in the journal Science, which explains all their potential for science. The existence of powerful computers and other devices is part of every day in almost every department of investigation. The difference is that Adam has made a simple biological experiment following the scientific process and without human intervention.

E n white concrete fill some existing managed in the genetic code yeast (Saccharomyces cerevisiae ). With its fully automated hardware, it only requires a technician to add or remove waste materials, run biological experiments designing the growth of plaque samples and measuring the growth curves in defined environments.

P ara sure that Adam successfully complete the experiment, the researchers repeated their work with experimental methods and check that they had not committed any error.


* L fter Eve
A lthough this machine is a prototype to improve, their designers are already thinking about the next automata which he named as Eva . that will greatly assist scientists searching for new drugs for infectious diseases caused by parasites tropical areas. Ero

P creators say Adam and Eve, for the time it takes the human participation to provide the materials or to interpret the equations. In the words of its creators: "The machines do not become obsolete with the scientists, but they can take the hard work, helping the experts to focus more quickly what the most interesting."







Article: Ross D. King et al., "The Automation of Science," Science 324: 1985-1989, 3 April 2009.
Source: World

Saturday, April 4, 2009

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S ccording was published in the journal Science have been developed lithium batteries are more respectful of the environment, genetically manipulating a common virus, the M13 : It is a filamentous bacteriophage consists of a circular DNA strand, which have been incorporated by nanotechnology to the cathodes of a stack. These act as a support structure on which electrodes were constructed high carrying capacity for use in the two poles of the batteries.

L you virus Modified were designed to produce amorphous iron phosphate near its surface. This material is an excellent conductor of electricity, making batteries that incorporate it delivered its power more immediately than today. The loading and unloading rates are comparable to the electrodes of lithium iron phosphate crystal that is more toxic and expensive, is currently used in batteries.


Source: World

Friday, April 3, 2009

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Battery Cells Made Mother Virus Curan

E l problem with deafness is that the microscopic hair cells of the villi, which collect sound waves in the inner ear and transmit the human brain, only occur during stages of embryonic development. The news was published in the journal Stem Cells . S

i these cells are lost during the Vine adult can not regenerate. So basically what they did the researchers was back to the early stages of embryonic development to identify, isolate and multiply in the laboratory.

L you experts said that so far the results have been successful and that the next step will be to test on animals if the cells are able to recover the functions created hearing.

P ero, still some years to have a stem cell therapy against hearing damage but this research is incredibly promising and opens up great possibilities for the revival of deafness in the future.



Source: BBC

Thursday, March 26, 2009

Congratualtion Speach

Deafness

n U professor at the University of Oxford has created a formula that assesses the risks that a marriage ends in divorce. The fomula predicts a 94% confidence the probabilities of occurrence of a divorce.

E l study involved the recording of conversations of about 700 newly married couples subjected to various questions on controversial issues such as money, sex and political family. Professionals scored positively responses relaxed atmosphere and sense of humor . By contrast, negative values \u200b\u200bare those in which showed signs of anger or contempt. The result of these scores is to identify the different types of couples and thus predict the chances of survival of a marriage to a possible crisis.

To test the model followed for weddings, at intervals of one or two years for a total of twelve. After this, the mathematical confirmed the "amazing accuracy" of the prediction model.


Source: 20 minutes

Wednesday, March 25, 2009

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Divorce Math Find the oldest fossil of a fish mandubulado


E l specimen was discovered in a reservoir in the province of Yunnan, China, and has proved the oldest of all jawed fish are kept whole : dating 419 million years old (upper Silurian). The fossil retains all its parts except the tail fin , as published in the scientific journal Nature .

ue F named Guiyu oneiros (secret dream) or "Guiyu" that has just surpassed the previous copy of the oldest complete bony fish, Dialipina salgueiroensis which is eight million years younger.

E l Fossil, with their anatomy has been virtually untouched placed shortly after the beginning of a major evolutionary divergence : the separation between Actinopterygii and sarcopterigios, which has been dated as roughly contemporaneous with the fish, ie not later than 419 million years ago. So "Guiyu" is listed as a basal lobe-finned.

A ctinopterigios and sarcopterigios are the two classes that comprise the bony fish, which in turn belong to the jawed fishes. This difference was crucial in the evolutionary history because of bony fishes has emerged for 98% of live vertebrate . Will the sarcopterigios which give rise to tetrapods that made their fins into legs and jumped to the ground to give way to all mammals.

C omo sarcopterygians basal shares features with other sarcopterigios and the Actinopterygii has a mosaic of features of different jawed fishes belonging to the bone.


Source: World

Image: Brian Choo, Museum Victoria

Galleries Milena Velba



S i have a version of Google Maps on the body human, this would be very similar to Visible Body. In an anatomical visualization tool where you can explore the structures anatomy of the human body, based on an online 3D modeling using ActiveX. You also have virtual dissections and explanatory videos.

F unction with a 3D interface that requires Flash and a specific plugin that only works in Internet Explorer, which is quite limiting use of the tool. In addition, only available in English language. Besides this, it is a free tool that only requires registration.




Monday, March 2, 2009

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Visible Body Giant Snake Fossil Found


S
u name e: Titanoboa cerrejonensis . The size of the vertebrae suggests that going on around 1,140 kilograms measuring 13 meters long and about one meter high. Was classified within the group of non-venomous boa constrictors. Lived more or less 60 million years .

E l fossil was found in the Cerrejon coal mine in northern Colombia. and researchers focused on how it could have been the environment the snake when she was alive. There is a correlation between temperature and size of cold-blooded creatures. Thus, with increasing global temperature increases the maximum size of these creatures. By calculations, concluded that a snake the size of T. cerrejonensis would require an average annual temperature of 30 to 34 º C to survive.

you L tropical ecosystems of South America were strikingly different 60 million years ago. The land was a jungle, even warmer than today, and reptiles that lived were much larger. As a result, among other things, there existed the largest snakes of which there is knowledge.





Source: SSN
Photo: Jason Bourque, University of Florida.

Monday, February 2, 2009

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Sunday, January 25, 2009

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The temperature in Antarctica is increasing

U No study published in the latest edition of the journal Nature argues that Antarctica temperature increased 0.6 degrees C over the past 50 years. The research contradicts the studies conducted so far who said that while the Antarctic Peninsula was warming, the rest of the continent is colder. .

L the brands rose by an average of 0.12 º C per decade. To reach that figure, combined with meteorological data and infrared satellite measurements determined the evolution of temperatures between 1957 and 2006 with the help of several statistical methods.

other A study conducted at the University of California, showed that the annual cycle ran in the last 50 years 1.7 days, so spring and autumn in the time ahead. It also provides that narrowed the differences between summer and winter temperatures.



Source: Steig EJ, Schneider DP, SD Rutherford, ME Mann, JC Comiso & DT Shindell. 2009. Warming of the Antarctic ice-sheet surface Since the 1957 International Geophysical Year. Nature 457: 459-462

Friday, January 23, 2009

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United States authorized the first human trial with embryonic stem cells

L a charge will be company Geron Corp, those stem cells tested in eight or ten people paralyzed from the chest down who have suffered the injury between about seven and fourteen days ago.

E n principle, the tests are intended to discover whether the application of embryonic stem cells (or stem cells) is safe for the patient. In addition, we verify whether there is any kind of improvement and if they regenerate damaged nerves, making the sensitivity and even patients recover movement. E

ste method was approved by the Food and Drug Administration (FDA ) of EE. UU. With this approval marks a turning point between the new administration of Barack Obama who hinted before taking presidency that made more flexible restrictions on stem cell research.

L the FDA approved the test after reviewing 22,000 pages a year in which the company says it has been working with animals to demonstrate that embryonic stem cells cause tumors in tests on animals so far.


L to state funding of stem cell experiments in the United States was banned until August 2001, when Bush authorized it but only with cell lines already in existence.



STEM CELLS, STEM CELLS or STEM CELLS: a cell that has the ability to self-renew through mitotic divisions or continue the differentiation pathway for which is scheduled and one or more roduce mature tissues, functional and fully differentiated according to their degree of multipotency.
Most tissues of an adult have a very specific population of stem cells that allow the replacement or regeneration when tissue damage occurs. Some adult stem cells are capable of differentiating into more than one cell type while others are believed to direct precursor cells in the tissue in which they find themselves.

Embryonic stem cells are those that form part of the inner cell mass of an embryo 4-5 days of age and have the ability to form all cell types of an adult organism. A key characteristic of embryonic stem cells is that they can remain indefinitely. Since the split always form a cell identical to themselves, always maintaining a stable population of stem cells.



Source: Clarín , Wikipedia

Tuesday, January 20, 2009

Homemade Alice In Wonderland Costumes

Theater for the Deaf in

D rom on Thursday 22 January at the Teatro Solís de Montevideo, deaf people can participate in performances of "The English Lover" by Marguerite Duras. For the first time in Uruguay, the work will be simultaneously translated into sign language through a specially created device.

E l device consists of adding a monitor to one of the boxes, where deaf people see the interpreter translating the dialogue into sign language, while enjoying the work on stage. The monitor is connected to a camera located two floors below, closed circuit that emits the image of the interpreter who is doing the direct translation.

E l assistance device allows deaf people to nine function. In this first adaptation in addition to being hearing impaired viewers will share their opinion about the procedure, a view that is essential for a research process that aims to deepen this practice in the Solís Theatre and other theaters in the country.

E sta initiative is part of a series of actions that the Secretariat of the disability of the Municipality of Montevideo held in 2009, together with institutions and social organizations in order to generate processes of inclusion of persons with disabilities in society.


Tickets for "The English Lover" are free for deaf people, who should get them in the organizations that nucleate. The functions will be on Thursday 23, Friday 24 and Saturday January 25 at the time 21.30.



Source: El Pais Digital

Velba With Her Daughter

Solís Optical Illusion



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Clicking on the image is enlarged.

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Hispanic solenodonte videotaped first

U No Hispanic solenodonte shown to visitors for the first time images (above) released this week by the Durrell Wildlife Conservation Trust , based in the UK The animal conservation group captured during a survey of species in the Dominican Republic. After taking DNA samples and video footage, the team left the solenodonte recaptured in the wild. The animal, much like a shrew, also secretes venom through specialized teeth. It is one of the few living mammals that use poison as a mechanism defense, the other species that use it are the true shrew and platypus.

S and thinks the Hispanic solenodonte is the latest in a line of early mammals that came near the end of the reign of the dinosaurs 65 million years ago. The species, which is part of the Red List of endangered species prepared by the International Union for Conservation of Nature (IUCN ), has become increasingly rare in its range in Cuba Haiti and the Dominican Republic. The population is declining due to loss their natural habitat, hunting and introduced predators like mongooses, dogs and cats in the Caribbean.






Source: National Geographic
Video: A. Hall & G. Guida / Durrell Wildlife Conservation Trust

Friday, January 16, 2009

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Takes Mate! Evolution


U na scientific research conducted in the province of Misiones, Argentina established that this infusion has a high percentage of total polyphenols, a substance that retards cellular aging and protects the Ogan from some diseases. Polyphenols are powerful antioxidants you improve the body's natural defenses and protect against cell damage that causes deterioration of the body and disease development. T

environmental established that increased intake of the 25 existing polyphenols maté (Ilex paraguariensis ) is accomplished with a frosted made with 50 grams of pot and a pint of water at 70 degrees. This study established that yerba mate contains a significantly higher amount of polyphenols than red wine.

centers O benefits of antioxidants for health: prevent diabetes, cardiovascular diseases and coronary and some cancers .



POLYPHENOLS:
are a group of chemicals found in plants and characterized by the presence of more than one phenol group per molecule. Were Conod for a short period as vitamin P, but found that they were essential and were reclassified. Research indicates that polyphenols may have antioxidant activity with potential health benefits. Could reduce the risk of cardiovascular disease and cancer.


Source: El Clarin ,
wikipedia Photo: Blog

Tuesday, January 13, 2009

Will Panadol Kill A Dog?

As would happen again if

U n study published in Nature Genetics corroborates genetically unique character of evolution. The idea was to recreate the natural selection live in a lab fruit fly (Drosophila melanogaster ) which is possible due to the short life span they have.

D uring two decades, his descendants grew in the laboratory under different environmental stress stimuli and then be returned to their ancestral environment. Along 50 generations of flies, the researchers looked at whether evolutionary process could be "reversed" to return to their ancestral habitat.

P ara this, the scientists examined the chromosome 3. Indeed, the flies showed regressive changes to his sources, but only to a point where this "reversible evolution" seems to stop when fly populations are adapted to the ancestral environment. At the genetic level, the convergence to the ancestral state is 50%.

L you results suggest that the evolution of alleles at more "repeatable" that evolution resulting from gene mutations (remember that they occur by chance).


Source: Nature

Friday, January 9, 2009

Grate Heat Efficiency

infant without breast cancer gene


The first British baby genetically selected to not carry the breast cancer gene born London. Both mother and child were subjected to treatment preimplantation diagnosis (PGD) that prevented parents transmit the gene (BRCA1) predisposing to the disease.

's father carries the gene small and three generations of female relatives were diagnosed with the tumor. Without the intervention of science, she would have had between 50 and 80 percent chance of developing it.


Source: World

Picture: Getty Images