Smoking affects fracture healing
In a new study presented today at the 2013 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS), researchers reviewed existing literature on smoking and the healing of fractures...
View ArticleA new Holocene record from the Sayram Lake in westerly-dominated areas of...
The new Holocene vegetational and climatic variation record from the Sayram Lake in northern Xinjiang, China implies that solar radiation was the main driving factor for regional temperature changes,...
View ArticleA load balancing model based on cloud partitioning for the public cloud
The load balancing model given in this article is aimed at the public cloud and this model divides the public cloud into several cloud partitions. The cloud has a main controller that chooses the...
View ArticleLow complexity LDPC decoder with modified sum-product algorithm
This paper proposes an efficient implementation of Sum-Product Algorithm (SPA) within a LDPC decoder. Based on the Min-Sum algorithm, a horizontal process correction term implemented by a look-up table...
View ArticleC-HMAX: Artificial cognitive model inspired by the color vision mechanism of...
Artificial cognitive models have garnered great interest from computer researchers in recent years. This work presents a Color-HMAX (C-HMAX) model based on the HMAX model by imitating the color vision...
View ArticleSparse representation for face recognition based on constraint sampling and...
This paper presents a Sparse Representation Classification method for Face Recognition Based on Constraint Sampling and Face Alignment. The method combines texture and shape features to significantly...
View ArticleHealth effects of social isolation and loneliness
Loneliness might increase the risk of death among the elderly, but the health effects of social isolation might be greater than those of loneliness, according to a study. Andrew Steptoe and colleagues...
View ArticleNew World cattle descended from multiple domestications of extinct breed
The ancestry of old American cattle breeds such as Texas Longhorns includes domesticated cattle from several parts of the world, according to a study. Previous studies have shown that modern cattle...
View ArticleHumans likely triggered pre-historic bird extinctions
Human colonization of the remote Pacific islands may have spawned the global extinction of nearly 1,000 species of large-bodied, flightless birds known as non-passerine landbirds, according to a study....
View ArticleSocial networks before onset of technology in the US Southwest
A study reveals how social networks in the US Southwest responded to widespread demographic changes during the years AD 1200 to 1450, a time known as the late pre-hispanic period. Humans experienced...
View ArticleIndustrial nitrogen, an increasingly important part in nitrogen...
The nitrogen species and fluxes of industrial nitrogen, such as synthetic fibers, dyes, explosives, are rapidly increasing. A recent study found that industrial nitrogen has been one of the important...
View ArticleChelation therapy may result in small reduction of risk of cardiovascular...
Although chelation therapy with the drug disodium EDTA has been used for many years with limited evidence of efficacy for the treatment of coronary disease, a randomized trial that included patients...
View ArticleReview article examines sublingual immunotherapy for treatment of allergic...
In an examination of a type of treatment for allergic rhinitis and asthma that is used in Europe but not approved by the U.S. Food and Drug Administration, researchers found moderate strength in the...
View ArticleGastric bypass surgery alters gut microbes
Gastric bypass alters the microbial makeup of the gut, and these changes may contribute to the rapid weight loss patients experience after surgery, reports a new study in mice. Probing the underlying...
View ArticleTermites behind desert 'fairy circles'
A new study uncovers the origin of fairy circles, circular patches of perennial grasses with a barren center that grow in the desert on the southwest coast of Africa. Fairy circles occur in regular...
View ArticleFungi revealed as major player in boreal forests
Contrary to popular belief, boreal forests don’t act as major carbon sinks, storing carbon and offsetting the release of greenhouse gases into the atmosphere, because of all the plant litter that...
View ArticleBuilding a better HIV vaccine?
Researchers have designed an immunogen that represents an important first step toward generating a vaccine that releases broadly neutralizing antibodies to combat HIV-1 in the human body. Joseph...
View Article'Genetic circuit' engineered into living cells
A transistor is an electronic device that amplifies and switches electronic signals. Researchers have now engineered a genetic circuit that acts like a transistor in individual living cells.
View ArticleOpposites attract: How cells and cell fragments move in electric fields
Like tiny, crawling compass needles, whole living cells and cell fragments orient and move in response to electric fields -- but in opposite directions, scientists at the University of California,...
View ArticleEmission of unintentionally produced persistent organic pollution from...
Understanding the emission levels of unintentional POPs is helpful for guiding the source emission control. A recent study reviews the emission levels of unintentional POPs from multiple industrial...
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