Conéctese Regístrate


27/08/2014

Tendencias 21

25 Aniversario




CIENCIA ON LINE

Promising results with local hyperthermia of tumors - 01/03/2014 / Leido 3 veces/ Comentarios 0

Combined use of iron oxide nanoparticles and an alternating magnetic field can induce local hyperthermia in tumors in a controlled and uniform manner. The results Induced anti-tumor immune response that reduced the risk of recurrence and metastasis. Standard cancer care involves surgery, but...

Despido de soldados añade tensión en Somalia - 28/02/2014 / Leido 570 veces/ Comentarios 0

Los habitantes de la capital de Somalia temen por  su seguridad desde que el ejército dio de baja a cientos de soldados, pues muchos de ellos siguen armados. Jefes militares dijeron a comienzos de febrero que 700 soldados habían sido “relevados de sus responsabilidades” en el marco de una...

Robotic-assisted prostate surgery offers better cancer control - 28/02/2014 / Leido 142 veces/ Comentarios 0

An observational study has found that prostate cancer patients who undergo robotic-assisted prostate surgery have fewer instances of cancer cells at the edge of their surgical specimen and less need for additional cancer treatments like hormone or radiation therapy than patients who have...

Great freeze over Great Lakes, as seen from satellite - 28/02/2014 / Leido 222 veces/ Comentarios 0

The true-color image above, from the Moderate Resolution Imaging Spectroradiometer on NASA's Aqua satellite, shows the mostly frozen state of the Great Lakes on Feb. 19. On that date, ice spanned 80.3 percent of the lakes. The ice reached an even greater extent on Feb. 13, when it covered about 88...

3-D imaging sheds light on Apert syndrome development - 28/02/2014 / Leido 213 veces/ Comentarios 0

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 :...

Poor sleep quality linked to reduced brain gray matter in Gulf War vets - 28/02/2014 / Leido 217 veces/ Comentarios 0

A new study of Gulf War veterans found an association between poor sleep quality and reduced gray matter volume in the brain's frontal lobe, which helps control important processes such as working memory and executive function. "This study emphasizes the importance of seeking medical help if you...

Frequent childhood nightmares may indicate an increased risk of psychotic traits - 28/02/2014 / Leido 207 veces/ Comentarios 0

Children who suffer from frequent nightmares or bouts of night terrors may be at an increased risk of psychotic experiences in adolescence, according to new research. shows that children reporting frequent nightmares before the age of 12 were three and a half times more likely to suffer from...

Obtiene UAM papel amate sin contaminar medio ambiente - 28/02/2014 / Leido 660 veces/ Comentarios 0

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...

Worm-Like Mite Species Discovered: A species from this 'extremophile' family hasn't been described for 40 years - 28/02/2014 / Leido 200 veces/ Comentarios 0

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...

Brain differences linked to insomnia identified by researchers - 28/02/2014 / Leido 210 veces/ Comentarios 0

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...
1 ... « 331 332 333 334 335 336 337 » ... 2047

Forma parte de esta comunidad y contribuye al desarrollo e independencia de los contenidos de Tendencias21