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COVID-19 peaks reflect time-dependent social activity, not herd immunity

Eurekalert - Apr 21 2021 - 00:04
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and the University of Illinois Urbana-Champaign have developed a new mathematical model for predicting how epidemics such as COVID-19 spread. This model not only accounts for individuals' varying biological susceptibility to infection but also their levels of social activity, which naturally change over time.
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1 of 695 Fast mitigation of power grids instability risks

Eurekalert - Apr 21 2021 - 00:04
Skoltech scientists in collaboration with researchers from the University of Arizona and the Los Alamos National Laboratory have developed an approach that allows power grids to return to stability fast after demand response perturbation.
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People at high risk for HIV know about prevention pill, but use remains low

Eurekalert - Apr 21 2021 - 00:04
Cisgender sexual minority men and transgender women are aware of pre-exposure prophylaxis (PrEP), a daily pill for HIV-negative people to prevent HIV infection, but few are currently taking it, according to researchers at Rutgers.The study, published in the journal AIDS and Behavior, surveyed 202 young sexual minority men and transgender women - two high-priority populations for HIV prevention - to better understand why some were more likely than others to be taking PrEP.
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Collaborative research could help fine-tune the production of antimalarials, chemo drugs

Eurekalert - Apr 21 2021 - 00:04
Optimizing manufacturing of rare precursors to drugs has implications in making medications more globally accessible, affordable Microbial production of drug precursors makes product cycle more sustainable Eliminating need for yew trees that take 80 years to grow makes development of taxol, an anti-cancer drug ingredient, possible for more companies
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California's worst wildfires are helping improve air quality prediction

Eurekalert - Apr 21 2021 - 00:04
UC Riverside engineers are developing methods to estimate the impact of California's destructive wildfires on air quality in neighborhoods affected by the smoke from these fires. Their research fills in the gaps in current methods by providing air quality information at the neighborhood scales required by public health officials to make health assessments and evacuation recommendations.
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Flowering rooted in embryonic gene-regulation

Eurekalert - Apr 21 2021 - 00:04
Researchers at GMI - Gregor Mendel Institute of Molecular Plant Biology of the Austrian Academy of Sciences - and the John Innes Centre, Norwich, United Kingdom, determine that gene-regulatory mechanisms at an early embryonic stage govern the flowering behavior of Arabidopsis later in development. The paper is published in the journal PNAS.
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Warming seas might also look less colorful to some fish. Here's why that matters.

Eurekalert - Apr 21 2021 - 00:04
Climate change is driving some fish into cooler, deeper waters. Now they may be faced with another challenge: how to make sense of a world drained of color. Duke and Exeter researchers report that even small increases in depth could make it harder for fish to discern the hues they use to find food, friends and family. They are trying to predict which species will be most impacted, and whether they'll be able to adapt.
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Higher mushroom consumption is associated with a lower risk of cancer

Eurekalert - Apr 21 2021 - 00:04
Higher mushroom consumption is associated with a lower risk of cancer, according to a new Penn State study, published on March 16 in Advances in Nutrition. The systematic review and meta-analysis examined 17 cancer studies published from 1966 to 2020. Analyzing data from more than 19,500 cancer patients, researchers explored the relationship between mushroom consumption and cancer risk.
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Migraine linked to increased risk of high blood pressure after menopause

Eurekalert - Apr 21 2021 - 00:04
Women who have migraine before menopause may have an increased risk of developing high blood pressure after menopause, according to a study published in the April 21, 2021, online issue of Neurology®, the medical journal of the American Academy of Neurology.
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Black, hispanic stroke survivors more likely to have changes in brain's blood vessels

Eurekalert - Apr 21 2021 - 00:04
A new study has found that differences in the extent of one type of cerebral small vessel disease may contribute to differences in people's risk for a second bleeding stroke. The research is published in the April 21, 2021, online issue of Neurology, the medical journal of the American Academy of Neurology.
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Antibiotics protect apples from fire blight, but do they destroy the native microbiome?

Eurekalert - Apr 21 2021 - 00:04
"Our work adds to a growing body of literature that demonstrates the sustainability of current methods of disease control used by apple growers," said Wallis. While previous research investigated this question by looking at just the soil or microbes living on the plant surface, this is the first study to look at the impact of streptomycin on the endophytic leaf microbiomes, which are likely attributing more to host health than the surface microbes.
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The wave beneath their wings

Eurekalert - Apr 21 2021 - 00:04
It's a common sight: pelicans gliding along the waves, right by the shore. These birds make this kind of surfing look effortless, but actually the physics involved that give them a big boost are not simple. Researchers at the University of California San Diego have recently developed a theoretical model that describes how the ocean, the wind and the birds in flight interact in a recent paper in Movement Ecology.
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A receptor that controls appetite presents a target for anorexia, suggests mouse study

Eurekalert - Apr 21 2021 - 00:04
By targeting a receptor in the brains of mice, researchers have successfully altered feeding and anxiety-like behaviors linked to anorexia.
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Why climate change is driving some to skip having kids

Eurekalert - Apr 21 2021 - 00:04
A new study finds that overconsumption, overpopulation and uncertainty about the future are among the top concerns of those who say climate change is affecting their reproductive decision-making.
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Study explains 'cocktail party effect' in hearing impairment

Eurekalert - Apr 21 2021 - 00:04
Plenty of people struggle to make sense of a multitude of converging voices in a crowded room. Commonly known as the "cocktail party effect," people with hearing loss find it's especially difficult to understand speech in a noisy environment. New research suggests that, for some listeners, this may have less to do with actually discerning sounds. Instead, it may be a processing problem in which two ears blend different sounds together - a condition known as binaural pitch fusion.
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Study provides detailed look at intriguing property of chiral materials

Eurekalert - Apr 21 2021 - 00:04
A new study is advancing scientists' understanding of magneto-chiral dichroism.
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Host, management, or microbial traits: Which is dominant in plant microbiome assemblage?

Eurekalert - Apr 21 2021 - 00:04
In a new study published in the Phytobiomes Journal, "Influence of plant host and organ, management strategy, and spore traits on microbiome composition," Dr. Frances Trail and her research group are interested in three factors that might attribute to microbial assemblage: the age of the plant, the organ or tissue type, and the management strategy. They followed a 3-year crop rotation that included corn, wheat, and soybean planted in a single field.
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Stem cell therapy promotes recovery from stroke and dementia in mice

Eurekalert - Apr 21 2021 - 00:04
A one-time injection of an experimental stem cell therapy can repair brain damage and improve memory function in mice with conditions that replicate human strokes and dementia, a new UCLA study finds.
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Right to food strategy could eliminate food waste on farms

Eurekalert - Apr 21 2021 - 00:04
A national strategy to ensure that families have access to food could revolutionize Canada's farms, according to a new study from Simon Fraser University's Food Systems Lab. The study proposes implementing a "right to food" framework that would support the needed funding, infrastructure, and stability that can reduce losses of edible food at the farm, while creating better access to local foods for consumers.
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Inflammatory diet linked to testosterone deficiency in men

Eurekalert - Apr 21 2021 - 00:04
Consuming a diet high in pro-inflammatory foods - including foods that contain refined carbohydrates and sugar as well as polyunsaturated fats - may be associated with increased odds of developing testosterone deficiency among men, suggests a study in The Journal of Urology®, Official Journal of the American Urological Association (AUA). The journal is published in the Lippincott portfolio by Wolters Kluwer.
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