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| Medicine articles |
For super-obese patients, duodenal switch beats gastric bypass
In the first large, single-institution series directly comparing weight-loss outcomes in super-obese patients, researchers from the University of Chicago found that a newer operation, the duodenal switch, produced substantially better weight-loss outcomes than the standard operation, the Roux-en-Y gastric bypass.
First evidence found of mirror neuron's role in language
What do we find so gripping about a good book, the kind that makes us stay up later than we should to find out what happens to hero or heroine?
When nerve cells can't make contact
Using an animal model, brain researchers in Göttingen have examined the effects of mutations that cause autism in humans. These are mutations in the genes which carry the building instructions for proteins in the neuroligin family. The study published in the scientific journal Neuron (September 21, 2006) shows that neuroligins ensure that signal transmission between nerve cells functions. In the brain of genetically altered mice without neuroligins, the contact points at which the nerve cells communicate, the synapses, do not mature. The researchers assume that similar malfunctions are experienced by autistic patients.
Why popeye only has eyes for spinach
Eating spinach could protect your eyes from the leading cause of blindness in western society, say experts at The University of Manchester.
Ghengis khan wonder berry could conquer heart disease
Berries taken since the time of Ghengis Khan could form the basis of the next big thing in heart health. Sea buckthorn is a known source of biologically active chemicals and is used in Tibet, Mongolia, China and Russia for health drinks and various cosmetics.
Fighting cancer with aspirin
New insights into how aspirin fights cancer tumours are pointing the way to the development of new drugs.
Dna hydrogels
Using synthetic DNA formed into crosses, Y's and T's, Cornell researchers have created biocompatible, biodegradable, inexpensive hydrogels that can be easily formed into any desired shape for biomedical applications.
Scientists use green approach to transform plastics manufacturing process
Using environmentally safe compounds like sugars and vitamin C, scientists at Carnegie Mellon University have vastly improved a popular technology used to generate a diverse range of industrial plastics for applications ranging from targeted drug delivery systems to resilient paint coatings.
Decaffeinated coffee is not caffeine-free
Coffee addicts who switch to decaf for health reasons may not be as free from caffeine's clutches as they think. A new study by University of Florida researchers documents that almost all decaffeinated coffee contains some measure of caffeine.
Rescuing injured hearts by enhancing regeneration
Using a two-drug approach, researchers at Children's Hospital Boston have demonstrated that it may be possible to rescue heart function after a heart attack and protect the heart from scarring.
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Material stops bleeding in seconds
MIT and Hong Kong University researchers have shown that some simple biodegradable liquids can stop bleeding in wounded rodents within seconds, a development that could significantly impact medicine.
Emotionally ambivalent workers are more creative, innovative
People who experience emotional ambivalence -- simultaneously feeling positive and negative emotions -- are more creative than those who feel just happy or sad, or lack emotion at all, according to a new study.
Engineers seek to improve vascular grafts
Biomedical engineers at Washington University in St. Louis have developed new biomaterials to recruit endothelial cells to the inner surfaces of vascular grafts. Endothelial cells normally line blood vessels and actively protect against blood clotting. Blood clotting on artificial materials is currently so severe that the use of vascular grafts is limited to large diameter vessels.
Scientists learn how the brain boots up to process information from the senses
The same chemical in the body that is targeted by the drug Viagra® also helps our brains "boot up" in the morning so we can process sights, sound, touch and other sensory information. The discovery could lead to a better understanding of major brain disorders, according to researchers from Wake Forest University School of Medicine.
Genetic repair mechanism clears the way for sealing DNA breaks
Scientists investigating an important DNA-repair enzyme now have a better picture of the final steps of a process that glues together, or ligates, the ends of DNA strands to restore the double helix.
Color names: more universal than you might think
From Abidji to English to Zapoteco, the perception and naming of color is remarkably consistent in the world's languages.
Researchers find a neural signature of bilingualism
Dartmouth researchers have found areas in the brain that indicate bilingualism. The finding sheds new light on decades of debate about how the human brain's language centers may actually be enhanced when faced with two or more languages as opposed to only one.
Gene linked to autism in families with more than one affected child
A version of a gene has been linked to autism in families that have more than one child with the disorder. Inheriting two copies of this version more than doubled a child's risk of developing an autism spectrum disorder, scientists supported by the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH) National Institute on Child Health and Human Development (NICHD) have discovered.
Researchers find smallest cellular genome
The smallest collection of genes ever found for a cellular organism comes from tiny symbiotic bacteria that live inside special cells inside a small insect.
Fat kids linked to lack of sleep
Soaring levels of obesity might be linked to children sleeping fewer hours at night than they used to, claims Dr Shahrad Taheri of the University of Bristol.
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| Quotes | By convention!
cussed Tom airily.
Cmon Scully... Itll be a nice trip through the woods-Fox Mulder
But what ... is it good for?
Engineer at IBM, 1968, commenting on the microchip.
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