Where’d you get that brand new gene?
Sometimes a non-coding DNA sequence can give rise to a unique, new (de novo) gene with its own specific role to play that may help in shaping the species. But, until now, researchers have not...
View ArticleWhere did the sun come from?
In past decades astronomers have discovered several high-velocity stars in globular clusters, but no high-velocity star has been discovered in open clusters.A new study has discovered a high-velocity...
View ArticleThe navigation and positioning performance of BeiDou comparable to that of...
BeiDou regional navigation satellite system (BDS) also called BeiDou-2 has been in full operation since December 27, 2012. It is shown that the precision of BDS code and carrier phase measurements are...
View ArticleNew biomedical diagnostics using personalized 3D imaging
Researchers at the firm 4DNature and the Universidad Carlos III of Madrid (UC3M) are developing a new technology, called helical optical projection tomography, which improves biomedical diagnostic 3D...
View ArticleHoning early detection systems for hospital-acquired infections
Surveillance systems could help detect the early spread of healthcare-associated infections with the help of only a few sentinel hospitals, researchers report. Mariano Ciccolini and colleagues used...
View ArticleNanocomputing using nanowire tiles
A nanocomputer comprising interconnected nanowire tiles can perform integrated sequential and arithmetic computing tasks, according to a study. Physical limitations may impede further miniaturization...
View ArticleBroad-spectrum influenza vaccine shows promise in mice and ferrets
Mice and ferrets inoculated with a broad-spectrum vaccine showed a greater immune response and greater protection to three strains of the H1N1 flu virus than from a traditional vaccine, according to a...
View ArticleRole of seminal fluid in offspring metabolic health
Lack of seminal fluid during conception is tied to adverse metabolic effects in male offspring of mice, according to a study. Seminal fluid, produced by seminal vesicle glands, promotes sperm survival...
View ArticleCooperation and wealth inequality among nations
Wealth inequality among nations can enhance cooperation on issues such as global climate change, a study finds. To date, global climate summits have faced conflicts over mitigation strategies between...
View ArticleAlso of interest from the Proceedings of the National Academy of Sciences
A study reports that the blockade of signaling by OX40L and its receptor OX40—immune cell modulators that are primarily expressed in the inflamed joints of arthritic mice and humans with rheumatoid...
View ArticleAntioxidants may raise cancer risk in certain high-risk patients
A new study helps explain why taking antioxidants may accelerate the growth of early tumors or precancerous lesions in high-risk populations, like smokers. Antioxidants are chemical compounds that...
View ArticleScreening for transformed human mesenchymal stromal cells with tumorigenic...
Spontaneous transformation of human mesenchymal stem/stromal cells (MSCs) has been observed during long-term expansion in cell culture, although it is rare. Engrafting these transformed cells into...
View ArticleThe ties that bind Neandertals and modern humans
Even though Neandertals went extinct a very long time ago, there’s still a little bit of their DNA in most all of us, a new study shows. And while the total amount of Neandertal sequence in any modern...
View ArticleA map of disease-causing mutations?
Researchers have used a combination of genetics and functional analysis to create a map of mutations that contribute to hereditary spastic paraplegias, or HSPs -- inherited neurodegenerative disorders...
View ArticleChemical tricks in new hosts expand pathogen potpourri
A pathogen that has spent generations colonizing one host can make the leap to and successfully inhabit an entirely different one, and now a new report suggests biochemical changes pathogens initiate...
View ArticleNo two savannas evolve the same way
Although they look the same, the savannas of Africa, Australia and South America have established unique relationships with the local climate and fire patterns -- and none of them can be expected to...
View ArticlePrice highlighting helps consumers stick to longer-term product preferences
Just when that new gym membership is looking like a mistake, recent marketing research shows that reminding consumers of the price strengthens their purchase choices and leads to long-term satisfaction.
View ArticleTighter economic regulation needed to reverse obesity epidemic - study
Using a novel method, this study presents new findings on the association between the rise in obesity and the increase in fast-food consumption over a 10-year period in affluent countries. It shows...
View ArticleCan a protein controlling blood pressure enhance immune responses and prevent...
Many people with high blood pressure are familiar with ACE inhibitors, drugs that widen blood vessels by limiting activity of ACE – angiotensin-converting enzyme – a naturally occurring protein found...
View ArticleIon channel and acetaminophen-induced liver damage
Researchers seeking to prevent the lethal consequences of acetaminophen overdose may have found a clue to treating certain types of liver disease, a study finds. Although overdose with acetaminophen,...
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