Tendencias 21. Ciencia, tecnología, sociedad y cultura
TENDENCIAS21




Tendencias 21







CIENCIA ON LINE

BUSM researchers use goal-oriented therapy to treat diabetic neuropathies - 04/03/2013

Researchers at Boston University School of Medicine and VA Boston Healthcare System have found that cognitive behavioral therapy can help relieve pain for people with painful diabetic neuropathies. Fuente : http://www.eurekalert.org/pub_releases/2013-03/bum...

How the brain loses and regains consciousness - 04/03/2013

Researchers from MIT and Massachusetts General Hospital have identified distinctive brain patterns associated with different stages of general anesthesia. Fuente : http://www.eurekalert.org/pub_releases/2013-03/mio...

NASA Goddard lab works at extreme edge of cosmic ice - 04/03/2013

Behind locked doors, in a lab built like a bomb shelter, Perry Gerakines makes something ordinary yet truly alien: ice. This isn't the ice of snowflakes or ice cubes. No, this ice needs such intense cold and low pressure to form that the right conditions rarely, if ever, occur naturally on Earth. Fuente :...

Sometimes, the rubber meets the road when you don't want it to - 04/03/2013

Back in 2010, the ideas behind a squid's sticky tendrils and Spiderman's super-strong webbing were combined to create a prototype for the first remote device able to stop vehicles in their tracks. It worked, but that technology just got better. Fuente : http://www.eurekalert.org/pub_releases/2013-03/udo...

Study uncovers enzyme's double life, critical role in cancer blood supply - 04/03/2013

Studied for decades for their essential role in making proteins within cells, several amino acids known as tRNA synthetases were recently found to have an unexpected -- and critical -- additional role in cancer metastasis. University of Vermont researchers determined that threonyl tRNA synthetase leads a "double life,"...

Grandmother's cigarette habit could be the cause of grandchild's asthma - 04/03/2013

Studies finding grandmother's smoking habit may cause grandchild to have asthma suggest environmental factors experienced today can affect families' health for generations to come. Fuente : http://www.eurekalert.org/pub_releases/2013-03/lab...

Vanderbilt study finds maternal diet important predictor of severity for infant RSV - 04/03/2013

An important predictor of the severity of respiratory syncytial virus (RSV) in infants may be what their mothers ate during pregnancy, according to a Vanderbilt study published in the American Journal of Respiratory and Critical Care Medicine. Fuente : http://www.eurekalert.org/pub_releases/2013-03/vum...

Recon 2 modeling may help tailor treatments for patients with metabolic diseases, cancer - 04/03/2013

An international team of researchers, including an investigator with the Virginia Bioinformatics Institute at Virginia Tech, has produced what may be the most comprehensive computer model of human metabolism yet developed. It may be useful for finding biomarkers of metabolic diseases, such as glycogen storage disorder, as well...

New American Chemical Society video explains why cats lack a sweet tooth - 04/03/2013

Do cats purrr-ferrr sardines or sweets? The American Chemical Society, the world's largest scientific society, today released a new Bytesize Science video that explains why cats, unlike humans and other mammals, are indifferent to sweet flavors. Fuente : http://www.eurekalert.org/pub_releases/2013-03/acs...

New report analyzes potential impact of sequestration on CHCs and underserved communities - 04/03/2013

A new report by the Geiger Gibson/RCHN Community Health Foundation Research Collaborative at the George Washington University School of Public Health and Health Services examines the potential impact of sequestration on community health centers. "Assessing the Potential Impact of Sequestration on Community Health Centers,...

National commission calls for phasing out of fee-for-service pay within 5 years - 04/03/2013

The National Commission on Physician Payment Reform issued a report today detailing a series of sweeping recommendations aimed at reining in health spending and improving quality of care by fundamentally changing the way doctors are paid. The Commission, chaired by former Robert Wood Johnson Foundation president Steven A....

First evidence that obesity gene is risk factor for melanoma - 04/03/2013

The gene most strongly linked to obesity and over eating may also increase the risk of malignant melanoma -- the most deadly skin cancer, according to Cancer Research UK scientists at the University of Leeds. Fuente : http://www.eurekalert.org/pub_releases/2013-03/uol...

Fermat's Last Theorem and more can be proved more simply - 04/03/2013

Case Western Reserve University's Colin McLarty has shown Fermat's Last Theorem can be proved using only a small portion of Grothendieck's work. Specifically, the theorem can be justified using "finite order arithmetic." Fuente : http://www.eurekalert.org/pub_releases/2013-03/cwr...

Don't be fooled: Flowers mislead traditional taxonomy - 04/03/2013

For hundreds of years, plant taxonomists have worked to understand how species are related. Until relatively recently, their only reliable source of information about these relationships was the plants' morphology--traits that could be observed, measured, counted, categorized, and described...

Researchers id queens, mysterious disease syndrome as key factors in bee colony deaths - 04/03/2013

A new long-term study of honey bee health has found that a little-understood disease study authors are calling "idiopathic brood disease syndrome," which kills off bee larvae, is the largest risk factor for predicting the death of a bee colony. Fuente :...

Colon cancer screening doubles with new e-health record use - 04/03/2013

Researchers used electronic health records to identify Group Health patients who weren't screened regularly for cancer of the colon and rectum -- and to encourage them to be screened. This centralized, automated approach doubled these patients' rates of on-time screening -- and saved health costs...

ADHD takes a toll well into adulthood - 04/03/2013

Long-term Boston Children's and Mayo Clinic study followed children with attention-deficit hyperactivity disorder (ADHD) into adulthood, shows ADHD often remains. Kids with ADHD more likely to have other psychiatric disorders as adults, commit suicide and do jail time. Authors call for continued...

Life saving treatment for fire ant allergy under used - 04/03/2013

According to a study published in Annals of Allergy, Asthma & Immunology, an astonishing 60 percent of those allergic to fire ant stings don't adhere to immunotherapy (allergy shots) guidelines. When the course of treatment is properly followed, allergy shots can be life-saving and both modify and...

'Shelf life' of blood? Shorter than we think - 04/03/2013

A small study from Johns Hopkins adds to the growing body of evidence that red blood cells stored longer than three weeks begin to lose the capacity to deliver oxygen-rich cells where they may be most needed. Fuente : http://www.eurekalert.org/pub_releases/2013-03/jhm...

First documented case of child cured of HIV - 03/03/2013

Researchers have described the first documented case of a child being cured of HIV. The case involves a two-year-old child in Mississippi diagnosed with HIV at birth and immediately put on antiretroviral therapy. At 18 months, the child ceased taking antiretrovirals and was lost to follow-up. When...

Genetic risk factors for common eye disorder come into focus - 03/03/2013

Scientists have identified seven new genetic regions associated with age-related macular degeneration (AMD), a common cause of blindness in older individuals. The findings could point to new biological pathways and therapeutic targets for AMD. Fuente :...

Human metabolism in health and disease mapped - 03/03/2013

Scientists have produced the most comprehensive virtual reconstruction of human metabolism to date. Scientists could use the model, known as Recon 2, to identify causes of and new treatments for diseases like cancer, diabetes and even psychiatric and neurodegenerative disorders. Fuente :...

Scientists discover how to shutdown cancer's powerful master protein - 03/03/2013

The powerful master regulatory transcription factor called Bcl6 is key to the survival of a majority of aggressive lymphomas, which arise from the B-cells of the immune system. The protein has long been considered too complex to target with a drug since it is also crucial to the healthy functioning...

Seven genetic risk factors found to be associated with common eye disorder - 03/03/2013

Scientists have discovered seven new regions of the human genome -- called loci -- that are associated with increased risk of age-related macular degeneration, a leading cause of blindness. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/p...

Getting around the uncertainty principle: Physicists make first direct measurements of polarization states of light - 03/03/2013

Researchers have applied a recently developed technique to directly measure for the first time the polarization states of light. Their work both overcomes some important challenges of Heisenberg's famous Uncertainty Principle and also is applicable to qubits, the building blocks of quantum...

Adding to the list of disease-causing proteins in brain disorders - 03/03/2013

Researchers have found new candidate disease proteins for neurodegenerative disorders. They describe mutations in prion-like segments of two RNA-binding proteins are associated with a rare inherited degeneration disorder affecting muscle, brain, motor neurons and bone (called multisystem...

Scientists identify 'clean-up' snafu that kills brain cells in Parkinson's disease - 03/03/2013

Researchers have discovered how the most common genetic mutations in familial Parkinson’s disease damage brain cells. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/X...

Early warning system provides four-month forecast of malaria epidemics in northwest india - 03/03/2013

Sea surface temperatures in the tropical South Atlantic Ocean can be used to accurately forecast, by up to four months, malaria epidemics thousands of miles away in northwestern India, theoretical ecologists have found. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/x...

Cancer vaccines self-sabotage, channel immune attack to injection site - 03/03/2013

Cancer vaccines that attempt to stimulate an immune system assault fail because the killer T cells aimed at tumors instead find the vaccination site a more inviting target, scientists report. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/5...

Two new genes linked to amyotrophic lateral sclerosis (ALS) and related disorders - 03/03/2013

Scientists have discovered mutations in two genes that lead to the death of nerve cells in amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease, and related degenerative diseases. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/p...
1 ... « 596 597 598 599 600 601 602 » ... 737

Visita nuestro nuevo site


Suscríbete a nuestra NEWSLETTER semanal

¡Participa en el diseño del futuro!




NOTICIAS DESTACADAS
La poeta Isel Rivero en la Feria del Libro de Madrid 2021.

CIENCIA Y ARTE: LITERARIAS

Isel Rivero: “Todos somos transeúntes de la historia y la hacemos”

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

CIENCIA Y ARTE: LITERARIAS

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

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”

CIENCIA Y ARTE: LITERARIAS

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

CIENCIA Y ARTE: LITERARIAS

“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.

CIENCIA Y ARTE: LITERARIAS

Contemplación y materiales: la enorme poesía de Ernesto Cardenal

Rodolfo Hasler expresa su infancia con “Lengua de lobo”

CIENCIA Y ARTE: LITERARIAS

Rodolfo Hasler expresa su infancia con “Lengua de lobo”

 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

“Flota”, el baúl literario de Anne Carson

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

CIENCIA Y ARTE: LITERARIAS

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

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

CIENCIA Y ARTE: LITERARIAS

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