Also of interest from the Proceedings of the National Academy of Sciences
A study finds that treatment with the broccoli-sprout extract sulforaphane improved performance on assessments for social responsiveness and verbal communication, among other indicators, of 29 men...
View ArticleThe specific receptor targeted by naltrexone to enhance diabetic wound...
Naltrexone, an opioid antagonist, blocks OGFr that functions as part of a regulatory pathway related to cell replication. Topical naltrexone stimulates cell replication in full thickness cutaneous...
View ArticleBetter performance on quality measures for skilled nursing facilities may not...
Among fee-for-service Medicare beneficiaries who received care at a skilled nursing facility following hospital discharge, better performance on various measures of quality of care was not...
View ArticleStudy shows increase in use of emergency departments by children and teens,...
In contrast to previous research that documented decreases or no change in children's rates of emergency department (ED) use in the 1990s and the early 2000s, an analysis of ED visits by children,...
View ArticleA brighter, energy saving flat panel lighting device based on carbon...
Scientists from Tohoku University in Japan have developed a new type of energy-efficient flat light source based on carbon nanotubes with very low power consumption of around 0.1 Watt for every hour’s...
View ArticleUnlocking a youthful brain
Researchers show in mice that it’s possible to return adult neural circuits to a more youthful, immature state by targeting a receptor in the brain called PirB. Developing therapeutics to block PirB...
View ArticleSurprise inside Saturn’s smallest moon
Small oscillations in the movements of Saturn’s smallest moon Mimas may reveal an unexpected interior for the moon, according to a new report from Radwan Tajeddine and colleagues. The researchers used...
View ArticleTornadoes clustering in greater numbers
Will global warming cause more tornadoes? If so, that has not happened yet, report Harold Brooks and colleagues in this study – though the way tornadoes are distributed in time over the year has been...
View ArticleFirst results from telescope eying Sun’s most elusive region
The first observations from a telescope designed to visualize an elusive layer of the Sun's atmosphere are in, and they’re helping scientists determine how energy is created there and then transmitted...
View ArticleWhen herbivore numbers drop, plants ditch thorny defenses
Plants can persist in landscapes full of hungry herbivores either by shielding themselves with special defenses, or by putting down roots in regions where carnivores – who hunt the herbivores – roam....
View ArticleStudy finds heart attacks do not have as strong of a genetic link as...
Heart attacks are not as connected to family history and genetics as may have been previously believed, according to a new study by researchers at the Intermountain Medical Center Heart Institute in...
View ArticleDisease transmission and antibiotic-induced hyperinflammation
Highly infectious individuals within a population, known as superspreaders, may be more tolerant to intestinal perturbations caused by antibiotic treatment than non-superspreaders, according to a...
View ArticleResting memory processing and future learning
Processing of memories during rest periods may enhance future learning, especially learning of related content, according to a study. Offline memory processing, such as spontaneous reactivation of...
View ArticleHealth problems and neighborhood attainment
Health problems might drive socially vulnerable individuals to live in poor neighborhoods after a natural disaster, according to a study. Researchers have known that individuals who live in poor...
View ArticleInflammation and risk for depression
A cytokine called interleukin-6 may be a risk factor for the development of depression, a study in mice suggests. Depression and anxiety are associated with high levels of inflammatory molecules...
View ArticleGrafted neurons and Parkinson disease
Researchers report that grafted neural stem cells may partially reverse the symptoms of Parkinson disease in rats via the direct release of dopamine into a part of the forebrain known as the striatum....
View ArticleStress, biological dysfunction, and type 2 diabetes
A study suggests a link between type 2 diabetes, increased exposure to stress, and a weakened biological ability to recover from stress. Epidemiological studies have suggested a link between...
View ArticleEl Niño Southern Oscillation and flood risk
Global variability in flooding and risk of economic damage is influenced by the El Niño Southern Oscillation (ENSO), with higher or lower than normal damage occurring during ENSO years depending on...
View ArticleBone remodeling in billfish
A study finds that the heavily-loaded rostral bones of billfishes, such as marlins and swordfish, are maintained by remodeling despite lacking osteocyte cells, which are abundant in the bones of...
View ArticleAlso of interest from the Proceedings of the National Academy of Sciences
According to a study, species diversification in post-Cambrian clades associated with anatomical traits may be driven to a greater extent by hastened extinction of primitive taxa without the trait...
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