La contaminación de ríos y tierras aledañas a la comunidad de San Pablito, Pahuatlán, en la Sierra Norte de Puebla, a causa del uso de sosa cáustica y cloro para la elaboración de papel amate, condujo a investigadores de la Universidad Autónoma Metropolitana, unidad Iztapalapa (UAM-I), a diseñar un procedimiento limpio y seguro...
It looks like a worm and moves like a worm – sort of. But it is a previously unidentified microscopic species of mite that was discovered by a graduate student on The Ohio State University campus. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/H...
Researchers report that people with chronic insomnia show more plasticity and activity than good sleepers in the part of the brain that controls movement. "Insomnia is not a nighttime disorder," says study leader. "It's a 24-hour brain condition, like a light switch that is always on. Our research...
Scientists are revealing the mysteries of new materials using ultra-fast laser spectroscopy, similar to high-speed photography where many quick images reveal subtle movements and changes inside the materials. Seeing these dynamics is one emerging strategy to better understanding how new materials...
In the wake of retraction scandals and studies showing reproducibility rates as low as 10 percent for peer-reviewed articles, the scientific community has focused attention on ways to improve transparency and duplication. A team of math and statistics professors has proposed a way to address one...
Gatmai Deng perdió a tres familiares durante el estallido de violencia que vivió Sudán del Sur entre el 15 de diciembre y finales de enero, y culpa de sus muertes al gobierno, por no haber usado los vastos recursos petroleros del país para mejorar las vidas de sus casi 11 millones de habitantes....
The monthly digest of upcoming space, astronomy and geophysics news events, from the RAS. This month sees National Astronomy Week 2014, a major UK celebration of the night sky and the latest launch of a crew to the International Space Station. Fuente :...
There are several good reasons why a company might practice reverse logistics - the process of retrieving broken, worn out or obsolete items for recycling or refurbishment. These include improved public image wherein customers recognize the benefits of buying from an environmentally responsible...
Consumer concerns about bacterial resistance to antibiotics have prompted the swine industry to seek additional methods to protect the health of pigs, including special feed additives. This interest led a team of University of Illinois researchers to explore the potential benefits of selected plant...
Photography has morphed with each technological advance, becoming, simpler, more spontaneous and more accessible. This article published in Photographies explores the effect of the iphone on photography, the technological ‘mash-up’ with the internet and omnipresent social connectivity. Fuente :...
Un anciano recibe la ayuda de una enfermera para levantarse de su silla. Se aferra a sus brazos y camina confiando ciegamente en que ella lo llevará a la mesa para almorzar. Cerca, otro hombre pasa el día acompañado de su respirador. Otro tantea en la mesa de luz buscando su dentadura, y otro más...
Dos estudios realizados por el laboratorio de Joan Guinovart, en el Instituto de Investigación Biomédica, han resuelto varias cuestiones clave sobre la acción del glucógeno en las neuronas. Un exceso de glucógeno causa la muerte de las neuronas, pero un defecto las deja desprotegidas...
Esta imagen tomada desde el espacio por el satélite Envisat de la ESA nos muestra las montañas al norte de Ecuador. Fuente : http://www.esa.int/ESA_in_your_country/Spain/Las_m...
La ESA anuncia la oportunidad de realizar nuevos experimentos en condiciones de microgravedad a 400 kilómetros sobre la superficie de nuestro planeta, en los laboratorios de la Estación Espacial Internacion... Fuente : http://www.esa.int/ESA_in_your_country/Spain/Envia...
Miriam Fernández tenía siete u ocho años cuando tres de sus tíos y el marido de su abuela la hicieron víctima de su lascivia, en repetidas ocasiones y amparados en la intimidad hogareña. “Creo que lo he superado, pero ya no confío en nadie”, dice esta maestra de enseñanza primaria de 53 años. Ella...
Aunque pertenece a una de las primeras especies de dinosaurios descritas en la península ibérica, el saurópodo portugués Lourinhasaurus no había sido clasificado de forma concluyente hasta el momento. Ahora, un equipo hispano-luso en el que participa la UNED ha revisado sus fósiles y ha averiguado...
Ben Okoth, de 45 años, nació y creció en Kibera, el mayor tugurio de África, en las afueras de Nairobi. A lo largo de los años conoció muchas organizaciones no gubernamentales (ONG) que trabajaban para mejorar las condiciones de vida de sus habitantes, pero también a las que utilizan al barrio como...
Although liquid water covers a majority of Earth's surface, scientists are still searching for planets outside of our solar system that contain water. Caltech researchers have used a new technique to analyze the atmospheres of such exoplanets, making the first detection of water in the atmosphere...
Some tumors seem to be much less aggressive in space compared to their behavior on Earth, which could help scientists understand the mechanism involved and develop drugs targeting tumors that don't respond to current treatments. Fuente : http://www.eurekalert.org/pub_releases/2014-02/nsc...
It looks like a worm and moves like a worm -- sort of. But it is a previously unidentified microscopic species of mite that was discovered by a graduate student on the Ohio State University campus. Fuente : http://www.eurekalert.org/pub_releases/2014-02/osu...
Three-dimensional imaging of two different mouse models of Apert Syndrome shows that cranial deformation begins before birth and continues, worsening with time, according to a team of researchers who studied mice to better understand and treat the disorder in humans. Fuente :...
A swirling Eastern Pacific Ocean storm system headed for California was spotted by NOAA's GOES-West satellite on Feb, 28. According to the National Weather Service, this storm system has the potential to bring heavy rainfall to the drought-stricken state. Fuente :...
A true-color image from the Moderate Resolution Imaging Spectroradiometer on NASA's Aqua satellite, shows the mostly frozen state of the Great Lakes on Feb. 19. Fuente : http://www.eurekalert.org/pub_releases/2014-02/nsf...
Robotic-assisted surgery for prostate cancer has fewer positive surgical margins than open surgery.Patients who had robotic surgery needed fewer additional cancer treatments afterward.Higher upfront robotic costs may be offset by a reduction of additional cancer therapy costs after surgery due to better cancer control outcomes....
Researchers from the cancer nanotechnology and signal transduction and therapeutics programs of UCLA's Jonsson Comprehensive Cancer Center have developed an innovative technique that can carry chemotherapy safely and release it inside cancer cells when triggered by two-photon laser in the infrared...
Robert Avery, D.O., M.S.C.E., of Children's National Health System and colleagues are establishing innovative approaches with technology and medication to improve the vision of young children who have visual pathway glioma, a type of brain tumor. Fuente : http://www.eurekalert.org/pub_releases/2014-02/cnm...
An essential weapon in the body's fight against infection has come into sharper view. Researchers at Princeton University have discovered the 3-D structure of an enzyme that cuts to ribbons the genetic material of viruses and helps defend against bacteria. Fuente : http://www.eurekalert.org/pub_releases/2014-02/pu-...
Los gobiernos de varios países del mundo han adoptado medidas enérgicas para reducir los gases que recalientan la atmósfera, ofreciendo en conjunto una base sólida para lograr un tratado mundial contra el cambio climático. Países en desarrollo, en especial China y México, encabezaron estos avances...
Early but not advanced forms of atherosclerotic plaques in the vessel wall disappear when the levels of 'bad' cholesterol are lowered, according to a study in mice. The findings indicate that preventative cholesterol-lowering treatment could prevent more advanced, clinically relevant plaque to...
A high-carbohydrate, high-calorie diet could delay the progression of Amyotrophic Lateral Sclerosis (ALS), also known as motor neuron disease or Lou Gehrig’s disease, according to a phase 2 study. ALS is a rapidly progressive, fatal neurodegenerative disorder affecting the nerve cells that control...
El poeta, recientemente galardonado con el Premio Internacional Manuel Acuña de Poesía, conversa en la siguiente entrevista sobre sus dos últimas obras