Circulating tumor cells get wanderlust
Tumor cells circulating in the blood of cancer patients undergo a personality change that may encourage cancer to spread to new parts of the body, researchers report. The findings hint at the...
View ArticlePigeon genome opens door to the past
Domestic pigeons, whose striking differences in behavior, feather ornaments and color patterns have led to the establishment of more than 350 breeds, long ago captured the attention of Charles Darwin,...
View ArticleA synthesize operation of lower-extremity varicose veins without impact on...
Combined subfascial endoscopic perforator surgery and endovenous laser treatment for treatment of valvular insufficiency of the lower-limb venous perforators offer the advantages of microtrauma and...
View ArticleUse of ACE inhibitor by patients with peripheral artery disease may improve...
Among patients with peripheral artery disease and intermittent claudication (pain in the calf that comes and goes, typically felt while walking), 24 weeks of treatment with the angiotensin-converting...
View ArticleLower proportion of older patients dying in hospitals; increase seen in use...
In a study that included data on more than 800,000 Medicare beneficiaries who died between 2000 – 2009, a lower proportion died in an acute care hospital in recent years, although both intensive care...
View ArticleChinese Academy of Sciences honors Carnegie Mellon's Edmund Clarke with 2013...
The Chinese Academy of Sciences has named Edmund M. Clarke, the FORE Systems University Professor of Computer Science and Electrical and Computer Engineering at Carnegie Mellon University, an Einstein...
View ArticleLow-carbon hybrid energy systems——China’s future energy solutions
Fossil fuel leads to the huge amount of CO2 on utilization. Recently, the concept of hybrid energy system has been proposed for a low carbon solution to high carbon energy resources such as coal, which...
View ArticleAn automated system for language reconstruction
Researchers report an automated system for language reconstruction. Since the late 18th century, historical linguists have used a labor-intensive, manual procedure to reconstruct protolanguages, which...
View ArticleSunlight stimulates greenhouse gas release from Arctic soil
High latitude soils store at least twice the amount of carbon found in the atmosphere, but a study finds that the soil-based carbon could be released and converted into greenhouse gas when exposed to...
View ArticleChina's rampant antibiotic use could promote resistance to all major classes...
Unmonitored antibiotic use on animal farms in China could prompt the vast emergence and release of diverse antibiotic resistance genes into the environment, a study suggests. China is the largest...
View ArticleTraining could help reverse age-related neural slowing
Auditory training can partially reverse age-related neural slowing and difficulties perceiving speech in noisy environments, a study finds. Nina Kraus and colleagues examined the effects of...
View ArticleGut microbiota-derived signals may play a role in blood pressure regulation
Short-chain fatty acids (SCFAs) produced by gut microbiota may play a role in modulating blood pressure by acting on two major SCFA receptors, olfactory receptor 78 (Olfr78) and Gpr41, a study finds....
View ArticleMouse models poorly mimic human inflammatory diseases
For decades experimental mouse models have been used to identify and test drug candidates for subsequent human trials, but a study finds that these models do not accurately represent human responses to...
View ArticlePrenatal folic acid supplementation associated with lower risk of autism
In a study that included approximately 85,000 Norwegian children, maternal use of supplemental folic acid from 4 weeks before to 8 weeks after the start of pregnancy was associated with a lower risk of...
View ArticleStudy identifies factors associated with eradication of bacteria linked to...
In an analysis of the results of interventions to eradicate the bacterium Helicobacter pylori (a risk factor for gastric cancer) in seven diverse community populations in Latin America, researchers...
View ArticleMarinda Li Wu becomes 2013 President of World’s Largest Scientific Society
Marinda Li Wu, who resides near Berkeley, Calif., is the 2013 president of the American Chemical Society (ACS), the world’s largest scientific society. She is the first Asian American and only the...
View ArticleLoss of DNA repair in aging ovaries
A new study in women undergoing fertility procedures shows that eggs in a woman’s ovaries lose the ability to repair DNA double-strand breaks with age. The findings may help explain why women rapidly...
View ArticleScientists should advance management of behavioral norms
Governments must learn how to manage social norms so as to persuade the broader population to accept pro-environment measures. The academy can help by studying how norms are adopted, and in particular,...
View ArticleMood-modifying drugs for humans also alter fish behavior
Pharmaceutical drugs that end up in the world’s waterways after being excreted, flushed and treated at wastewater treatment plants may lead to unexpected ecological impacts, according to a new study of...
View ArticleAccelerated protons confirm origin of cosmic rays
A new study offers conclusive evidence that cosmic ray protons within our galaxy are accelerated in the shock waves produced by supernovae. We are constantly being bombarded by speedy, energetic, and...
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