Tendencias 21. Ciencia, tecnología, sociedad y cultura
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Reino Unido autoriza el uso terapéutico de embriones de tres ‘padres’ - 30/06/2013

Las técnicas de fecundación in vitro con el objetivo de evitar enfermedades mitocondriales –causadas, en la mayor parte de los casos, por un trastorno de la fosforilación oxidativa y una alteración de la producción de energía– podrían ponerse a disposición de los pacientes en Reino Unido.Solo en......

Un sistema basado en videojuegos ayuda a los pacientes con esclerosis múltiple - 30/06/2013

Investigadores del Instituto ai2 de la Universidad Politécnica de Valencia (UPV) en España han desarrollado un sistema de realidad virtual para la rehabilitación motora de pacientes con esclerosis múltiple. Este sistema de bajo coste se denomina Removiem.Los investigadores han aprovechado el......

New understanding of tiny RNA molecules could have far-ranging medical applications - 30/06/2013

A team led by scientists at The Scripps Research Institute has identified a family of tiny RNA molecules that work as powerful regulators of the immune response in mammals. Mice who lack these RNA molecules lose their normal infection-fighting ability, whereas mice that overproduce them develop a...

The quantum secret to alcohol reactions in space - 30/06/2013

Chemists have discovered that an 'impossible' reaction at cold temperatures actually occurs with vigour, which could change our understanding of how alcohols are formed and destroyed in space. Fuente : http://www.eurekalert.org/pub_releases/2013-06/uol...

Penn Medicine researchers discover link between fear and sound perception - 30/06/2013

Researchers from the Perelman School of Medicine at the University of Pennsylvania have discovered in an animal model how fear can increase or decrease the ability to discriminate among sounds depending on context, providing potential new insight into the distorted perceptions of victims of PTSD....

Liver protein crucial for pregnancy - 30/06/2013

A protein first shown to function in the liver plays a crucial role in pregnancy in mice and has a key role in the human menstrual cycle, according to researchers at the University of Montreal. Fuente : http://www.eurekalert.org/pub_releases/2013-06/uom...

Is that bacteria dead yet? - 30/06/2013

Researchers at EPFL have built a matchbox-sized device that can test for the presence of bacteria in a couple of minutes, instead of up to several weeks. This might be a crucial medical tool especially for resistant strains. Fuente : http://www.eurekalert.org/pub_releases/2013-06/epf...

Diamond catalyst shows promise in breaching age-old barrier - 30/06/2013

In the world, there are a lot of small molecules people would like to get rid of, or at least convert to something useful, according to University of Wisconsin-Madison chemist Robert J. Hamers. Fuente : http://www.eurekalert.org/pub_releases/2013-06/uow...

Different neuronal groups govern right-left alternation when walking - 30/06/2013

Scientists at Karolinska Institutet in Sweden have identified the neuronal circuits in the spinal cord of mice that control the ability to produce the alternating movements of the legs during walking. The study, published in the journal Nature, demonstrates that two genetically-defined groups of...

Genomic atlas of gene switches in plants provides roadmap for crop research - 30/06/2013

A Canadian-led study will help scientists identify key genomic regions in canola and other food plants. Fuente : http://www.eurekalert.org/pub_releases/2013-06/mu-...

El Nino unusually active in the late 20th century - 30/06/2013

Reliable prediction of El Nino response to global warming is difficult, as El Nino varies naturally over decades and centuries. Instrumental records are too short to determine whether recent changes are natural or attributable to increased greenhouse gases. An international team of scientists now...

DNDi and Cipla advance development of pediatric 4-in-1 ARVs to fulfill new WHO guidelines - 30/06/2013

The World Health Organization's new HIV treatment guidelines, released today at the 2013 International AIDS Society Conference, include new antiretroviral therapy recommendations for HIV-infected children, and will mean that more children will be on better treatments. The Drugs for Neglected...

Risk factors affect the incidence of childhood pneumonia in modern urban apartment? - 30/06/2013

Using coal or wood as cooking fuel in rural areas was considered a major cause of pneumonia. A recent study investigated the risk factors of pneumonia in modern apartments in an urban area of China. The results improve the understanding of high risk pneumonia in modern apartments in China. This...

Biomarker predicts risk of breast cancer recurrence after tamoxifen treatment - 29/06/2013

A biomarker reflecting expression levels of two genes in tumor tissue may be able to predict which women treated for estrogen-receptor-positive breast cancer should receive a second estrogen-blocking medication after completing tamoxifen treatment. Fuente :...

Survival of the Galapagos sea lion - 29/06/2013

The study shows that Galapagos sea lions (Zalophus wollebaeki) are more prone to starvation because of exposure to human influences like pets and pollution. These can impair the level of their immunity, making them less able to hunt and more likely to go hungry when food is scarce. Fuente :...

Divorce early in childhood affects parental relationships in adulthood - 29/06/2013

Divorce has a bigger impact on child-parent relationships if it occurs in the first few years of the child's life, according to new research. Those who experience parental divorce early in their childhood tend to have more insecure relationships with their parents as adults than those who...

Mimicking living cells: Synthesizing ribosomes - 29/06/2013

Synthetic biology researchers have for the first time synthesized ribosomes from scratch in a test tube. The researchers took an approach different from their predecessors: they mimicked the natural synthesis of a ribosome, allowing natural enzymes of a cell to help facilitate the human-made...

Eating right, exercise may help prostate cancer patients reduce risk of aggressive tumors - 29/06/2013

A new study finds that following well-known cancer-prevention recommendations may also benefit those already diagnosed with the disease. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/B...

'First bionic eye' retinal chip for blind - 29/06/2013

A new bionic eye works by converting video images captured by a miniature camera, housed in the patient's glasses, into a series of small electrical pulses that are transmitted wirelessly to an array of electrodes on the surface of the retina. These pulses are intended to stimulate the retina's...

Getting a good night's sleep is a nightmare for many Americans - 29/06/2013

Summer means more hours of daylight and for many, it contributes to trouble falling asleep. More than 40 million Americans suffer from chronic sleep disorders, resulting in $18 billion in cost to employers due to sleep loss issues. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/r...

El encefalograma, ¿invento de un nazi? - 29/06/2013

Hans Berger, el hombre que descubrió el electroencefalograma humano y que supuestamente fue depurado por los nazis, fue responsable de esterilizaciones forzadas y colaboró con el régimen de Hitler, según nuevos documentos ||| Fuente : http://feedproxy.google.com/~r/materia/noticias/~3...

Un traje inteligente incrementa la seguridad de los bomberos - 29/06/2013

El Centro de Investigación Aplicada Tecnalia y la Fundación Sueskola, en España, han presentado un traje inteligente, construido con tejidos avanzados, más ligero que los actuales. Permite vigilar el estado de salud de los bomberos y los peligros del entorno mediante sensores. Así se puede......

El calentamiento global puede afectar la vida microbiana en los suelos - 29/06/2013

Un equipo internacional que estudió costras biológicas de suelo en una amplia zona del suroeste norteamericano demostró que el mantenimiento ecológico de estas se fundamenta en dos especies de cianobacterias. En su trabajo, que publica el último número de la revista Science, los investigadores......

- 29/06/2013

Fuente : http://noticiasdelaciencia.com/not/7569//...

City blackbirds evolved to become more fearful - 29/06/2013

Fuente : http://www.alphagalileo.org/ViewItem.aspx?ItemId=1...

3D Printing and Additive Manufacturing Preview Issue Publishing Fall 2013 - 29/06/2013

Fuente : http://www.alphagalileo.org/ViewItem.aspx?ItemId=1...

Rapid colorimetric detection technology enables illegal cooking oils with no place to hide - 29/06/2013

An illegal cooking oil incident led to the serious food safety risks in China. Recently, two rapid and convenient colorimetric detections of illegal cooking oils based on phase transfer technology were established. This work could be helpful for the rapid and on-site detection of illegal cooking...

Pre-existing insomnia linked to PTSD and other mental disorders after military deployment - 28/06/2013

New research found military service members who have trouble sleeping prior to deployments may be at greater risk of developing post-traumatic stress disorder (PTSD), depression and anxiety once they return home. The study found that pre-existing insomnia symptoms conferred almost as a large of a...

Late bedtimes and less sleep may lead to weight gain in healthy adults - 28/06/2013

A new study suggests that healthy adults with late bedtimes and chronic sleep restriction may be more susceptible to weight gain due to the increased consumption of calories during late-night hours. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/0...

NASA launches satellite to study how sun's atmosphere is energized - 28/06/2013

NASA's Interface Region Imaging Spectrograph (IRIS) spacecraft launched Thursday at 7:27 p.m. PDT (10:27 p.m. EDT) from Vandenberg Air Force Base, Calif. The mission to study the solar atmosphere was placed in orbit by an Orbital Sciences Corporation Pegasus XL rocket. Fuente :...
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NOTICIAS DESTACADAS
La poeta Isel Rivero en la Feria del Libro de Madrid 2021.

CIENCIA Y ARTE: LITERARIAS

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Desde una existencia previa llega "El retrato del uranio", de Raúl Nieto de la Torre

CIENCIA Y ARTE: LITERARIAS

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Canto e invitación a volar en “El pájaro mudo”, de Luz Pichel

CIENCIA Y ARTE: LITERARIAS

Canto e invitación a volar en “El pájaro mudo”, de Luz Pichel

Una miscelánea que da voz al pasado: “Wattebled o el rastro de las cosas”

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Una miscelánea que da voz al pasado: “Wattebled o el rastro de las cosas”

Menchu Gutiérrez. Fuente: Asociación Genialogías / Ediciones Tigres de Papel.

CIENCIA Y ARTE: LITERARIAS

La poética nómada o el decir en la niebla de Menchu Gutiérrez

“Voces de un cuerpo”, de Giovanni Collazos, en la Cartonera del escorpión azul

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“Voces de un cuerpo”, de Giovanni Collazos, en la Cartonera del escorpión azul

Lamento e invención en “Desde lejos”, de Arturo Borra

CIENCIA Y ARTE: LITERARIAS

Lamento e invención en “Desde lejos”, de Arturo Borra

Entre el minimalismo y la instantánea: “Acércate y escucha", de Charles Simic

CIENCIA Y ARTE: LITERARIAS

Entre el minimalismo y la instantánea: “Acércate y escucha", de Charles Simic

Un México poético e histórico en “Ni siquiera los muertos”, de Juan Gómez Bárcena

CIENCIA Y ARTE: LITERARIAS

Un México poético e histórico en “Ni siquiera los muertos”, de Juan Gómez Bárcena

Antonio Gamoneda. Imagen: Fernando Sanz Santa Cruz.

CIENCIA Y ARTE: LITERARIAS

Antonio Gamoneda: "No vivimos un solo lenguaje"

Recuperado el camino de la imaginación de Juan Larrea

CIENCIA Y ARTE: LITERARIAS

Recuperado el camino de la imaginación de Juan Larrea

“Centroeuropa”, una metáfora de la historia

CIENCIA Y ARTE: LITERARIAS

“Centroeuropa”, una metáfora de la historia

Superventas apasionante y necesario sobre la vida de Mussolini: “M. El hijo del siglo”

CIENCIA Y ARTE: LITERARIAS

Superventas apasionante y necesario sobre la vida de Mussolini: “M. El hijo del siglo”

Ernesto Cardenal y María Ángeles Pérez López en 2013 contemplando las cigüeñas en Salamanca. Imagen: Elena Díaz Santana.

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Contemplación y materiales: la enorme poesía de Ernesto Cardenal

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CIENCIA Y ARTE: LITERARIAS

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 Espacios míticos en los “Parques cerrados” de Juan Campos Reina

CIENCIA Y ARTE: LITERARIAS

Espacios míticos en los “Parques cerrados” de Juan Campos Reina

Ángela Figuera Aymerich. Fuente: Ediciones Tigres de Papel.

CIENCIA Y ARTE: LITERARIAS

Más allá del desastre: una semblanza de Ángela Figuera Aymerich

“Flota”, el baúl literario de Anne Carson

CIENCIA Y ARTE: LITERARIAS

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¿Cómo acabaron en un libro los sueños y pesadillas del mundo occidental?

CIENCIA Y ARTE: LITERARIAS

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La paradoja de la identidad local en “Muchacha de Castilla”, de Mercedes Cebrián

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La paradoja de la identidad local en “Muchacha de Castilla”, de Mercedes Cebrián