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The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.
Updated: 2 years 7 months ago

A new mathematical model assesses ICU patients' mortality risk

Jul 23 2021 - 00:07
Researchers from the Universitat Autònoma de Barcelona (UAB) Department of Mathematics worked in collaboration with the Hospital de Mataró in developing an artificial intelligence-based model for predicting the risk of death of intensive care unit patients according to their characteristics. The model will improve the quality of care in these types of units.
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Study shows environmental link to herbicide-resistant horseweed

Jul 23 2021 - 00:07
Horseweed is a serious threat to both agricultural crops and natural landscapes around the globe. In the U.S., the weed is prolific and able to emerge at any time of the year.
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Brain-repair discovery could lead to new epilepsy treatments

Jul 23 2021 - 00:07
Researchers have discovered a previously unknown repair process in the brain that they hope could be harnessed and enhanced to treat seizure-related brain injuries.
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Southeastern US herbaria digitize three million specimens, now freely available online

Jul 23 2021 - 00:07
The National Science Foundation recently provided funding to over 100 herbaria across the Southeast U.S. to digitize more than three million plant specimens collected by botanists and naturalists across the country. Researchers tracked the speed and productivity of staff and students who handled the specimens, from the collection drawers to online repositories, to provide institutions with a framework to better determine the time and money needed to digitize remaining collections.
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Shedding light on the dark side of firm lobbying

Jul 23 2021 - 00:07
A firm's focus on customers may be diminished when it lobbies. Firm focus can be reoriented to customers, but doing so requires intentional, marketing-focused efforts.
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Oncotarget: Fgr and Numb in retinoic differentiation and G0 arrest of non-APL AML cells

Jul 23 2021 - 00:07
In sum the Oncotarget data support a paradigm where signaling molecules bound to a Numb scaffold in a signalsome are activated by RA-induced Fgr expression
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Making negative opinions agreeable: Study finds social sharing happens in terms of support

Jul 22 2021 - 00:07
Despite how toxic the social media sandbox can get, people more often share attitudes that are framed in terms of support instead of opposition, according to new research.
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Sharks, lies, and videotape: Scientists document problems with shark week

Jul 22 2021 - 00:07
A new analysis by scientists shows that Shark Week, now in its 33rd year on the Discovery Channel, is deeply flawed in ways that undermine its goals, potentially harming both sharks and shark scientists. To document just how pervasive these issues are, a team of researchers performed a content and discourse analysis of more than 200 Shark Week episodes.
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"Noisy" gene expression may help improve stem cell therapies

Jul 22 2021 - 00:07
As reported in the journal Science, Leor Weinberger and his team at Gladstone Institutes have discovered a pathway they named discordant transcription through repair (DiThR, pronounced "dither"). The DiThR pathway appears to boost the noisiness of gene expression in stem cells and enhance their ability to differentiate.
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Martian global dust storm ended winter early in the south

Jul 22 2021 - 00:07
A dust storm that engulfed Mars in 2018 destroyed a vortex of cold air around the planet's south pole and brought an early spring to the hemisphere. By contrast, the storm caused only minor distortions to the polar vortex in the northern hemisphere and no dramatic seasonal changes.
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New dietary treatment for epilepsy well tolerated and reduced seizures

Jul 22 2021 - 00:07
The first clinical trial of a new dietary treatment for children and adults with severe forms of epilepsy, co-developed by UCL researchers and based on the ketogenic diet, has been successfully completed.
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Meet the Martian meteorite hunters

Jul 22 2021 - 00:07
A team at the Natural History Museum (NHM), London is paving the way for future rovers to search for meteorites on Mars. The scientists are using the NHM's extensive meteorite collection to test the spectral instruments destined for the ExoMars rover Rosalind Franklin, and develop tools to identify meteorites on the surface of the red planet. The project is being presented today (23 July) at the virtual National Astronomy Meeting 2021.
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Studies find combination chemotherapy beneficial and cost-effective in sub-Saharan Africa

Jul 22 2021 - 00:07
Researchers at the UNC Lineberger Comprehensive Cancer Center demonstrated in a clinical trial in Malawi that a five-drug combination chemotherapy provided curative benefit compared to current standard-of care-therapy in people diagnosed with lymphoma, and now they have determined this option is also cost-effective.
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Mayo Clinic research suggests women over 65 be offered hereditary cancer genetic testing

Jul 22 2021 - 00:07
A new study by Fergus Couch, Ph.D., of Mayo Clinic Cancer Center, along with collaborators from the CARRIERS consortium, suggests that most women with breast cancer diagnosed over 65 should be offered hereditary cancer genetic testing. The study was published Thursday, July 22, in the Journal of Clinical Oncology.
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Advanced bladder cancers respond to immunotherapy regardless of gene mutation status

Jul 22 2021 - 00:07
UNC Lineberger researchers and colleagues report a study has demonstrated that patients with advanced bladder cancers whose tumors have a mutated FGFR3 gene respond to immunotherapy in a manner that is similar to patients without that mutation. This discovery runs counter to previous research that suggested FGFR3-mutated bladder cancers should not be treated with immunotherapy.
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Doctoral student bridges gap between electronics and optics

Jul 22 2021 - 00:07
According to the United Nations' telecommunications agency, 93% of the global population has access to a mobile-broadband network of some kind. With data becoming more readily available to consumers, there is also an appetite for more of it, and at faster speeds.
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New tests can detect tiny but toxic particles of coal ash in soil

Jul 22 2021 - 00:07
Duke University scientists have developed tests sensitive enough to detect and measure microscopic particles of coal ash in soil, even at concentrations so low and sizes so small that other tests would likely miss them. The four new tests complement tests previously developed at Duke to detect coal ash contamination in water and larger particles of coal ash in soil.
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Perfecting collagen production in osteogenesis imperfecta

Jul 22 2021 - 00:07
Mesenchymal stem cells are the origin for osteoblasts, but MSC transplantation has not resulted in long-term success as a treatment option for brittle bone disease. Hematopoietic stem cells usually give rise to blood cells and osteoclasts, but researchers hypothesized that they could give rise to osteoblasts too. By replacing osteoblasts, they offer a potential therapeutic opportunity that is not dependent on a specific mutation but simply on a mutation being present, which gives patients hope.
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Big data-derived tool facilitates closer monitoring of recovery from natural disasters

Jul 22 2021 - 00:07
By analyzing peoples' visitation patterns to essential establishments like pharmacies, religious centers and grocery stores during Hurricane Harvey, researchers at Texas A&M University have developed a framework to assess the recovery of communities after natural disasters in near real time. They said the information gleaned from their analysis would help federal agencies allocate resources equitably among communities ailing from a disaster.
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'Good cholesterol' may protect liver

Jul 22 2021 - 00:07
The body's so-called good cholesterol may be even better than we realize. New research from Washington University School of Medicine in St. Louis suggests that one type of high-density lipoprotein (HDL) has a previously unknown role in protecting the liver from injury. This HDL protects the liver by blocking inflammatory signals produced by common gut bacteria.
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