March 2011

Monday, March 28, 2011

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Molecular switch that combines optical and magnetic technology

A research led by the Consejo Superior de Investigaciones Científicas (CSIC) has developed a molecular switch by an electrical stimulus can change the state of a molecule and allows monitoring of both optical and magnetic. The results of the study, published in the online edition of latest issue of the journal Nature Chemistry, respond to the growing demand for fabrication of devices to store information increasingly powerful and small.

"The molecules are the functional components smaller than one can imagine. In our work we show that can act as memory bits, and that a small group of them can be locally activated and switched between two states, plus you can read the information it contains, "says researcher CSIC Concepció Rovira, the Materials Science Institute of Barcelona.

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solve problems in real time aircraft through smartphones [VIDEO]

Stanford University engineers have developed a complex application that uses new mathematical models to predict in real time various problems that affect aircraft in flight, especially the phenomenon known as aeroelastic flutter. Applications can be operated from smart phones, tablets and other mobile devices, an innovation that has registered a strong impact in the field of aeronautical engineering. By Pablo Javier Piacente.

The aerodynamic phenomenon known as aeroelastic flutter can cause serious incidents, but like other problems that may arise in aircraft is now possible to predict in real time through applications for smart phones and tablets. Progress has been finalized by engineers from Stanford University.

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An artificial sheet of water takes energy

Researchers at MIT (USA) have managed to simulate the process of photosynthesis by which plants convert sunlight into chemical energy. Its leaf used artificial sunlight to split water into oxygen and hydrogen and use them to power fuel cells. The system already has appealed to the Indian multinational Tata, which has signed a contract to manufacture a commercial scale.

MIT chemist Daniel Nocera was presented yesterday at the annual meeting of the Society American Chemistry. "Photosynthesis works by absorbing a photon at a time, to make a current that is used by the catalysts to split water.

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is needed 'community manager' canaries

"The neighborhood community manager was my hairdresser. We are catching up, summoned parties and always had the latest fashion magazines tell us the trends. " Vega is Idaira Sony and Heineken, among others. The profession is growing, but few know what it is. Vega is critical: "It has created a bubble with the term, which makes it look as innovative as it has always existed. "

Sira Coll, community manager (CM) of various seals of the planet, believes "it is the evolution of press officers and public relations, managing the media inside and outside the network and social networking." Coll has "the same responsibilities as before Facebook over the management of online reputation of the stamps." Clarifies that "only large companies can be responsible for media and CM separately."

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Researchers believe food and microalgae biodiesel

Researchers Canarian Technological Institute (ITC) in biotechnology have failed to produce new foods and enrich others, to create biodiesel and treating waste water with some microalgae and its derivatives.

This has been explained to EFE director of R & D division of ITC, Gonzalo Piernavieja, who noted that the Canary Islands is a world leader "in the subject because there are research groups working with algae from For twenty years, both from the University of Las Palmas de Gran Canaria and from the National Bank Algae and the institution he represents, created in 1993.

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The most striking image of "super Luna" Sunday

On 19 March, the day of San José, nature gave a wonderful gift shone in the sky a spectacular "super Luna 'the moon was about 14% larger and 30% brighter than other nights.

This curious phenomenon, which can be enjoyed until within 19 years, occurs when the Moon is at its minimum distance from our planet, what is known as perigee . In fact, the moon stood at only 356,577 miles from Earth. The doomsayers predicted huge storms, volcanic eruptions and devastating earthquakes volcáncias large scale worldwide. Not surprisingly did not cause any harm, although it caused a strong tide.

Saturday, March 26, 2011

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science, technology and innovation [27/03/2011]

Friday, March 25, 2011

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10 countries account for 90% of marine gene patents

10 countries worldwide account for 90% of marine gene patents, among which are some present in international waters, "a very striking figure" when you consider that ten countries have 20% of costs the world. The first three, USA, Germany and Japan, account for 70% of these patents and one of them, Switzerland, has no if courts want to seawater. These statistics are drawn from a study involving researchers from Consejo Superior de Investigaciones Científicas (CSIC) which is published in the latest issue of the journal Science.

The article, coordinated by a researcher at the Institut Français de Recherche pour l'Exploitation de la Mer, reflects the need to develop an international framework to ensure a "ethical and equitable access" to marine genetic resources, especially in international waters, accounting for 65% of the ocean surface.

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PreVue enables you to watch your child in the womb

Like a movie eMule it were, now you can finally have a "preview" of your child in real time but still has "discharged" from the womb. Thanks to the strip PreVue and fetal advanced display technology, if you do enough to, at least 18 years of watching your son giving you trouble, you can now control from the start and throw the racket when I got to shop around for the uterus drunk amniotic fluid.

PreVue is a concept developed by Melody has won Shiue Australian Design Award. The system uses advanced ultrasound technology, so advanced that it even exists, but in theory, combined with flexible circuits and displays, would take pictures of the baby in real time and displayed directly on the belly, as if an augmented reality system concerned.

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discover how to keep the DNA intact

A team of researchers from the University of Rochester say they have discovered the natural mechanism by which DNA replication correcting genetic errors. Scientists hope this discovery conducive to the development of drugs that enhance this mechanism, in order to protect largest proportions of DNA over time. This artificial genetic protection and would slow down the aging-related disease eradication, ensuring "healthy and sustainable lives." The drug could be ready in 25 years, researchers say. For Yaiza Martínez.

DNA contains all the genetic instructions that constitute us, and maintaining or not their integrity throughout life is a key part, though very complex, the aging process.

recently Scientists at the University of Rochester in the United States have discovered a natural mechanism for the preservation of DNA, opening up the possibility of developing interventions to improve the preservation of genetic information.

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discovered the fossil with wings and tentacles of a tiny sea creature

Researchers at the University of Leicester in Britain have discovered a remarkable fossil sheds new light on an important group of primitive marine creatures. The findings are published in the journal Current Biology.

The fossil 525 million years old, belongs to a group of creatures with tentacles that live in hard tubes. So far, only the tubes had been observed in detail but the new specimen shows clearly the body's soft tissues, including tentacles to feed.

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The robotic insect flight [VIDEO]

A team of researchers from Cornell University has created a robotic ornithopter weighs 3.89 grams and is able to maintain its flight for 85 seconds . This small insect is made of a thin polyester film, on a carbon fiber frame and was built using a 3D printer, which shortened the time of experimentation for several months.

Although robotics has advanced greatly in recent years to recreate the animal nature of flying insects. But it is impossible for the engineers at Cornell. A team from the University decided to use a 3D printer to create the delicate wings of the robotic ornithopter.

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French Bulldog sex reversal

Tana, a female French bulldog, went to a veterinary center for their first vaccination. The size larger than normal "in her clitoris alerted the specialists who carried out the appropriate tests. The analysis first identified in the world of reproductive genetic alteration in this race: the dog had cryptorchid testes (not the scrotum). His case appears in a study published in the journal Reproduction in Domestic Animals'.

The genetic alteration of the reproductive and sexual reversion "is described in many species such as goats, swine, equine, and even human" SINC Marcos Campos, author of the study, a researcher at the University CEU-Cardenal Herrera and director of assisted reproduction center for small animals Reprovalcan.

Thursday, March 24, 2011

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Electricity moves molecules

A team of researchers from Consejo Superior de Investigaciones Científicas (CSIC), Delft University (Netherlands) and the Institut Català Nanotechnology has been used electrical currents to move large numbers of atoms, molecules or aggregates in a controlled manner. The work, which combines some other theoretical and experimental simulation calculations, published this week in the journal Small, in nanotechnology.

The researchers placed a thin sheet of metal over a layer of graphene that has received a strong electric current, which was achieved by heating at several hundred degrees, due to the resistance that opposes the movement of current. As a result, the sheet metal is disintegrated into atoms or small aggregates began to move on graphene. "The big surprise was to see that this move proved to be very different depending on the metal used, gold or aluminum," explains Eduardo Hernández, CSIC researcher and project member.

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Does stress shortens life? Batteries

The Catalan Society of Family and Community Medicine (CAMFiC) initiated a study to see if the pain makes you sick. The aim of the study, advised by the Institute of Primary Care Research (IDIAP Jordi Gol), is to check whether stress and depression favor having a metabolic syndrome.

Metabolic syndrome is a set of factors that increase cardiovascular risk. These factors are: a waist circumference greater than 102 cm in men or 88 cm in women, have high blood pressure above 130-85, HDL (good cholesterol) \u0026lt;40 mg / dl in men, \u0026lt;50mg/dl women, have triglycerides above 150mg/dl and / or fasting glucose above 110mg/dl.

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that load quickly, thanks to a 3D nanostructure

U.S. scientists have developed a battery-dimensional nanostructure, which allows them to load very quickly, in just a few minutes. The system used for all types of batteries and can be applied on an industrial scale manufacturing. This tiny solution will dramatically reduce the time to recharge the batteries of electric vehicles, and also for the manufacture of mobile or portable computers are loaded almost instantly. For Yaiza Martínez.

Scientists at the University of Illinois , U.S., have developed a three-dimensional nanostructure (a nanometer is a unit of length equal to one billionth of a meter) battery, which allows them to load very quickly, in a matter of minutes.

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Androids that entertain, educate cleaned and

The world of robots, androids covering applications as diverse as entertain and educate humans, clean their houses or attend their sick, landed in the living Innorobo of the French town of Lyon, the first in Europe dedicated to the field of robotics. The fair, which will be presented to twenty new models of androids, includes in its program lectures and discussions with experts in robotics, a sector expected to grow in coming years, example in the home.

Innorobo founder and president of the company Robopolis, Bruno Bonnell, said that in 2009 it sold 5.6 million domestic robots. "Between 2010 and 2013, estimates predict 6.7 million units sold," predicted Bonnell told the local press.

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The brain makes decisions 200 milliseconds before we know it

When a person believes he has made a decision, your brain actually has done it before it has been realized. Gray matter triggers response mechanism to make a determination between 200 and 300 milliseconds before we are aware of it, says Professor of Basic Psychology at the University of La Laguna Manuel de Vega. With this explanation, the espcial you give an example of the importance of studying the human brain, a very complex object that defines us as human beings as largely "we are our brains."

The brain makes decisions based on all the "history" of the person, from birth to the culturally acquired, and awareness of the decision comes after he has determined brain neuronal machine, says Manuel de Vega, director of the project Neurocog. This is a project of the Agency Canaria Research, Innovation and Information Society , which is funded by the European Union Feder and nearly one hundred researchers of the two Canarian universities developed lines of work related cognitive functions of the brain.

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laboratory Sperm

The production process of sperm from the reproductive cells male is one of the most complex of the human body, and can even take more than a month to be paid within the testes. Therefore, it has been so difficult so far to reproduce in a laboratory dish, an achievement that has just caught a group of Japanese scientists.

Their findings were recently published in the pages of the journal Nature 'and show not only that it is possible to obtain sperm from a testicular cell culture, but this material was perfectly capable of fertilizing an egg and lead to a healthy and fertile offspring in turn.

Wednesday, March 23, 2011

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The electronic book sales in the U.S. doubled

Nechama The book market registered a considerable rise that marks the change of model, according to the latest study by the Association of American Publishers, comparing January 2011 with January 2010. The document marks an increase of 115 percent, which is more than double the market in comparison to last year with a turnover of 69.9 million dollars.

The move coincides with declines in the traditional book sales. The hardcover editions fell by 11.3 percent and were $ 49.1 million. Books Online Paperback also suffered a decline of 19.7 percent and totaled $ 83.6 million. Finally, the paperbacks were a great fall, from 30.9 percent to $ 39 million.

Tuesday, March 15, 2011

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Merkel takes seven nuclear reactors by the network

Chancellor Angela Merkel and the Seven Dwarfs

Merkel said all seven reactors were built before 1980 now taken from the network and at the earliest in June back up. The reactors and all other after their experiences in Japan would be reviewed again to safety. As a basis for the closure of seven reactors, the government called the Atomic Energy Act, which allows it to hazard defense. It closed for Germany, however, does not preclude later reactors could also go back into operation. She left open whether the current extended maturity of Altreaktoren could be transferred to newer, allowing the current legal without a permit. However, this would contradict previous statements Merkel that the nuclear phase-out should be accelerated. should Dr. Merkel this open letter very much:

Full article at n-tv.de

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