Marijuana use is associated with excessive daytime sleepiness in adolescents
A study published by researchers from Nationwide Children's Hospital, found 10 percent of adolescents sent to a Sleep Center for evaluation of excessive daytime sleepiness with testing results...
View ArticleVast majority of scientists believe in engagement on public policy debates
February 15, 2015-Scientists say they are facing a challenging time and 87% believe that scientists should take an active role in public policy debates. In addition, a sizable share believes that...
View ArticleEuropean crop yields and changing climate
Changing climate trends since the late 1980s may partially explain stagnant crop yields in Europe, according to a study. Wheat and barley crop yields have stagnated since the early 1990s, coinciding...
View ArticleBat echolocation and luna moth tails
Luna moths deflect bat attacks using their long hindwing tails, according to a study. Diversionary tactics, such as false eye spots, are a common predator avoidance mechanism for many prey species,...
View ArticleAlso of interest from the Proceedings of the National Academy of Sciences
A combination of anti-PD-L1 antibodies, which target the Programmed Death 1 ligand expressed on a number of tumor types, and ibrutinib, a chemotherapy drug that targets B-cell cancers, suppressed...
View ArticleModeling influenza transmission
Data assimilation and modeling techniques may provide insights into seasonal and pandemic influenza transmission patterns that improve upon clinical and online surveillance data alone, according to a...
View ArticleFor smokers unable to quit abruptly, medication helps With gradual reduction...
Among cigarette smokers not willing or able to quit smoking in the next month but willing to reduce with the goal of quitting in the next 3 months, use of the nicotine addiction medication varenicline...
View ArticleStudy shows beneficial effect of electric fans in extreme heat and humidity
Although some public health organizations advise against the use of electric fans in severe heat, a new study published in the February 17 issue of JAMA demonstrated that electric fans prevent...
View ArticleThe impact of Chinese aquaculture on global fish supply
A paper published in the journal Science by an international team of researchers gives the clearest picture to date of the impact of China’s aquaculture industry on wild fisheries around the world....
View ArticleShaping immune tolerance in the womb for hemophilia therapy
Delivering blood clotting factors into the womb produces immune tolerance in hemophiliac mice, a new study shows. Hemophilia is an inherited disorder in which patients lack one type of clotting...
View ArticleWith melanin, sun damage continues long after exposure
Sunbathers can experience cancer-causing DNA damage hours after they’ve left the beach or the tanning bed, a new study finds, and the skin pigment melanin appears to be the culprit in this delayed...
View ArticleSupport for Cope’s law in the sea
The average size of marine animals has increased by a factor of 150 since the Cambrian Period began about 542 million years ago -- and this trend toward larger bodies is not random, researchers say....
View ArticleBlack hole wind could stunt galaxy’s stars
Researchers peering at the X-ray spectra around the luminous quasar PDS 456 have detected signs of a persistent, almost spherical stream of highly ionized gas emanating from it. This powerful wind may...
View ArticleThrough sons, bluebird mothers shape communities
A 10-year field study of bluebirds shows that a mother’s influence on her sons can play a role in shaping ecological communities. Renée Duckworth and colleagues discovered that female western...
View ArticleBlood-based tumor detection
A tumor-specific minicircle reporter can generate a potential blood-based biomarker to enable early tumor detection, according to a study.
View ArticleAsian climate events and European plague
A study finds that European plague outbreaks during the pandemic that stretched from the 14th century to the 19th century may have been due to intermittent climate-driven reintroduction of plague...
View ArticleMaternal sounds and prenatal brain plasticity
A study of premature infants exposed to maternal womb sounds provides insights into the development and plasticity of the auditory cortex.
View ArticleMicrobes in the Challenger Deep
Microbial communities in the deepest parts of the ocean, termed the hadal zone, may be distinct in structure and function from overlying abyssal communities, according to a study.
View ArticleAlso of interest from the Proceedings of the National Academy of Sciences
Following interruption of antiretroviral therapy in 12 people with HIV, the virus that rebounded from multiple lymphoid tissues exhibited genetic diversity pointing to multiple anatomic and cellular...
View ArticleTaking NSAIDs with anti-clotting medications following heart attack...
Among patients receiving antithrombotic therapy (to prevent the formation of blood clots) after a heart attack, the use of nonsteroidal anti-inflammatory drugs (NSAIDs) was associated with an...
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