Lunes, 20 de Mayo 2013

Tendencias 21

25 Aniversario




CIENCIA ON LINE

New theory on genesis of osteoarthritis comes with successful therapy in mice - 19/05/2013 / Leido 3

Scientists at Johns Hopkins have turned their view of osteoarthritis inside out. Literally. Instead of seeing the painful degenerative disease as a problem primarily of the cartilage that cushions joints, they now have evidence that the bone underneath the cartilage is also a key player and exacerbates the damage. In a...

Kinks and curves at the nanoscale - 19/05/2013 / Leido 218

Since 2004, materials scientists and nanotechnology experts have been excited about a special of arrangement of atoms called a "coherent twin boundary" that can add enormous strength to metals like gold and copper. The CTBs are described as "perfect," appearing like a one-atom-thick plane in models and images. New research...

Mayo Clinic: Molecular marker from pancreatic 'juices' helps identify pancreatic cancer - 19/05/2013 / Leido 3

Researchers at Mayo Clinic have developed a promising method to distinguish between pancreatic cancer and chronic pancreatitis -- two disorders that are difficult to tell apart. A molecular marker obtained from pancreatic "juices" can identify almost all cases of pancreatic cancer, their study...

Youth who have their first drink during puberty have higher levels of later drinking - 18/05/2013 / Leido 292

The earlier the age at which youth take their first alcoholic drink, the greater the risk of later alcohol problems. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...

College women exceed NIAAA drinking guidelines more frequently than college men - 18/05/2013 / Leido 277

In 1990, the National Institute on Alcohol Abuse and Alcoholism issued guidelines that define low-risk drinking, which differ for men and women. New research shows that female college student drinkers exceed NIAAA guidelines for weekly drinking more frequently than their male counterparts. Fuente :...

Frogs, salamanders and climate change - 18/05/2013 / Leido 366

Increasingly erratic rainfall patterns can lead to declines in southeastern frog and salamander populations, but protecting ponds can improve their plight. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/R...

Attacking MRSA with metals from antibacterial clays - 18/05/2013 / Leido 287

Medical researchers have come up with a new approach for developing effective, topical antibacterial agents -- one that draws on a naturally occurring substance recognized since antiquity for its medicinal properties: clay. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/3...

Now we know why old scizophrenia medicine works on antibiotics-resistant bacteria - 18/05/2013 / Leido 281

An old medicine for schizophrenia is effective at treating something completely different than it was designed for: antibiotic-resistant bacteria. So far it has been a mystery how this old schizophrenia medicine works, but now researchers have figured it out. This can lead to a new medicine against...

Individuals who drink heavily and smoke may show 'early aging' of the brain - 18/05/2013 / Leido 223

Alcohol treatment interventions work best when patients understand and are actively involved in the process. A first-of-its-kind study looks at the interactive effects of smoking status and age on neurocognition in one-month-abstinent alcohol dependent (AD) individuals in treatment. Results show...

Reading rock to understand how climate change unfolds - 18/05/2013 / Leido 260

Geologists reads rock, looking for the natural rules that govern the Earth’s climate in the absence of human activity. New work is challenging many assumptions about the ways drastic climate change unfolds – and what to expect next. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...

For combat veterans suffering from post-traumatic stress disorder, 'fear circuitry' in the brain never rests - 18/05/2013 / Leido 255

Chronic trauma can inflict lasting damage to brain regions associated with fear and anxiety. Previous imaging studies of people with post-traumatic stress disorder, or PTSD, have shown that these brain regions can over-or under-react in response to stressful tasks. Fuente :...

Ketamine shows significant therapeutic benefit in people with treatment-resistant depression - 18/05/2013 / Leido 272

Drug associated with rapid antidepressant effect in largest clinical trial to-date. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/2...

Consuming coffee linked to lower risk of an autoimmune liver disease - 18/05/2013 / Leido 286

Regular consumption of coffee is associated with a reduced risk of primary sclerosing cholangitis (PSC), an autoimmune liver disease. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/E...

Samsung Galaxy S4, el móvil que funciona sin tocarlo - 18/05/2013 / Leido 2600

A simple vista parece un Samsung S3, la versión anterior, pero un recorrido por las principales funciones denotan un salto en la interactividad del dispositivo, al poder manejarlo con gestos manuales sin contacto físico.La entrada Samsung Galaxy S4, el móvil que funciona sin tocarlo aparece primero en EFE futuro.Con sólo...

En busca de la célula perfecta - 18/05/2013 / Leido 436

Cristina Eguizabal lleva años trabajando con células madre en España. La experta opina sobre el alcance de la clonación humana ||| Fuente : http://feedproxy.google.com/~r/materia/noticias/~3...
1 2 3 4 5 » ... 417