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Tiny but mighty precipitates toughen a structural alloy

Eurekalert - Jul 08 2021 - 00:07
Scientists at the Department of Energy's Oak Ridge National Laboratory and the University of Tennessee, Knoxville, have found a way to simultaneously increase the strength and ductility of an alloy by introducing tiny precipitates into its matrix and tuning their size and spacing. The precipitates are solids that separate from the metal mixture as the alloy cools. The results will open new avenues for advancing structural materials.
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Total-body PET imaging exceeds industry standards

Eurekalert - Jul 08 2021 - 00:07
A performance evaluation of the uEXPLORER total-body PET/CT scanner showed that it exhibits ultra-high sensitivity that supports excellent spatial resolution and image quality. Given the long axial field of view (AFOV) of the uEXPLORER, study authors have proposed new, extended measurements for phantoms to characterize total-body PET imaging more appropriately. This research was published in the June issue of The Journal of Nuclear Medicine.
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Ancient ostrich eggshell reveals new evidence of extreme climate change thousands of years ago

Eurekalert - Jul 08 2021 - 00:07
Evidence from an ancient eggshell has revealed important new information about the extreme climate change faced by human early ancestors.
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Depression, suicidal thoughts plague ailing coal miners, study finds

Eurekalert - Jul 08 2021 - 00:07
More than a third of coal miners and former coal miners suffering from black lung disease struggle with depression, and more than one in 10 has recently considered suicide, a new study finds.
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When bosses are abusive, how employees interpret their motives makes a difference: study

Eurekalert - Jul 08 2021 - 00:07
A new UBC Sauder School of Business study shows that depending on how employees understand their boss' motivation, employees can feel anger or guilt, and consequently, react differently to abusive supervision.
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Annual report to the nation: Rapid decrease in lung cancer and melanoma deaths

Eurekalert - Jul 08 2021 - 00:07
Overall cancer death rates continue to decline in men and women for all racial and ethnic groups in the United States, according to the latest Annual Report to the Nation on the Status of Cancer.
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Meta-analysis finds that omega-3 fatty acids improved cardiovascular outcomes

Eurekalert - Jul 08 2021 - 00:07
Investigators from Brigham and Women's Hospital and elsewhere conducted a systematic review and meta-analysis of 38 randomized controlled trials of omega-3 fatty acids. Overall, they found that omega-3 fatty acids improved cardiovascular outcomes. Results, now published in eClinical Medicine, showed a significantly greater reduction in cardiovascular risk in studies of EPA alone rather than EPA+DHA supplements.
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Discrimination, stress linked to poorer heart health in transgender, gender diverse adults

Eurekalert - Jul 08 2021 - 00:07
Higher levels of heart disease among transgender and gender diverse (TGD) people are linked to the stress of experiencing discrimination and transphobia at personal and societal levels.Additional training is recommended for clinicians and health care professionals in addressing the full diversity of gender in health care settings and in the recognition of health disparities faced by TGD people to improve health outcomes.
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Climate changed the size of our bodies and, to some extent, our brains

Eurekalert - Jul 08 2021 - 00:07
The average body size of humans has fluctuated significantly over the last million years and is strongly linked to temperature. Colder, harsher climates drove the evolution of larger body sizes, while warmer climates led to smaller bodies. Brain size also changed dramatically but did not evolve in tandem with body size.
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Tooth loss associated with increased cognitive impairment, dementia

Eurekalert - Jul 08 2021 - 00:07
Tooth loss is a risk factor for cognitive impairment and dementia--and with each tooth lost, the risk of cognitive decline grows, according to a new analysis led by researchers at NYU Rory Meyers College of Nursing and published in JAMDA: The Journal of Post-Acute and Long-Term Care Medicine.
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EHR alerts go unread, do not lead to deprescribing of medicines linked to dementia

Eurekalert - Jul 08 2021 - 00:07
The vast majority of electronic health record (EHR) alerts attempting to reduce prescribing of high-risk medications linked to dementia in older adults went unread in a study led by research scientists from Regenstrief Institute, Purdue University and Indiana University School of Medicine. The study is published in the June print issue of the Journal of the American Geriatrics Society.
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Novel study of high-potency cannabis shows some memory effects

Eurekalert - Jul 08 2021 - 00:07
Researchers observed participants over Zoom as they used high-potency cannabis they purchased themselves from dispensaries in Washington state, where recreational cannabis is legal. After administering cognitive tests, researchers found no impact on users' performance on decision-making tests in comparison to a sober group but did find memory impairments related to free recall, source memory and false memories. This study is one of the few to investigate cannabis flower and concentrates containing more than 10% THC.
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Newborn screening for epilepsy in sight through the discovery of novel disease biomarkers

Eurekalert - Jul 08 2021 - 00:07
The door has finally opened on screening newborn babies for pyridoxine-dependent epilepsy (PDE), a severe inherited metabolic disorder. This screening promises to enable better and earlier treatment of the disease. To identify new biomarkers that can be used in the newborn screening protocol, also known as the neonatal heel prick, researchers at the Radboud University Medical Center joined forces with scientists at the Radboud University's FELIX laser laboratory.
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Wage inequality negatively impacts customer satisfaction and does not improve long-term firm performance

Eurekalert - Jul 08 2021 - 00:07
Wage inequality between top managers and employees boosts the short-term, but not long-term, profitability of a firm while persistently harming customer satisfaction by motivating opportunism against customers and weakening its customer-oriented culture.
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Reading the rocks: Geologist finds clues to ancient climate patterns in chert

Eurekalert - Jul 08 2021 - 00:07
East Africa has been getting progressively drier over the past million years, according to examinations of ancient rock by researchers including faculty at Binghamton University, State University of New York.
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What kind of sea ice is that? Ask Knut!

Eurekalert - Jul 08 2021 - 00:07
People snapping photos during Arctic cruises and uploading them to a new app could someday help prevent Titanic-scale disasters.
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Cell-type-specific insight into the function of risk factors in coronary artery disease

Eurekalert - Jul 08 2021 - 00:07
Using single cell technology, a new study sheds light on the significance of genetic risk factors for, and the diversity of cells involved in, the development of coronary artery disease. The researchers analysed human atherosclerotic lesions to map the chromatin accessibility of more than 7,000 cells.
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Study: Hospitalizations for eating disorders spike among adolescents during COVID

Eurekalert - Jul 08 2021 - 00:07
At one center, the number of hospital admissions among adolescents with eating disorders more than doubled during the first 12 months of the COVID-19 pandemic, according to the study that appears in a pre-publication of Pediatrics.
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Improving transparency of integrated assessment models related to climate change

Eurekalert - Jul 08 2021 - 00:07
An article published in WIREs Climate Change that's co-authored by officials at the Intergovernmental Panel on Climate Change (IPCC) documents various activities underway to enhance the transparency of Integrated Assessment Models (IAMs) and their assessments.
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How experiencing diverse emotions impacts students

Eurekalert - Jul 08 2021 - 00:07
Experiencing a variety of positive emotions--or emodiversity--may benefit high school students, according to a study published in the British Journal of Educational Psychology.
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