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Global study finds while humans sheltered in place, wildlife roamed

Global study finds while humans sheltered in place, wildlife roamed
2023-07-10
MISSOULA – While humans sheltered in place during the COVID-19 pandemic, wild animals took the opportunity to roam spaces typically avoided by wildlife, according to a study published last month in Science. Photos quickly emerged of wild goats spotted on the city streets of Wales and coyotes touring downtown San Francisco, yet evidence explaining this phenomenon was sparse.   Dr. Mark Hebblewhite, professor of ungulate habitat ecology at the University of Montana, joined an international research team of 175, led by Dr. Marlee Tucker – an ecologist at Radboud University in the Netherlands – in analyzing ...

Curious compound: Tin selenide may hold the key for thermoelectric solutions

Curious compound: Tin selenide may hold the key for thermoelectric solutions
2023-07-10
Researchers at the FAMU-FSU College of Engineering and the National High Magnetic Field Laboratory discovered that atomic-level structural changes occur when the compound tin selenide heats up — changes that help it to conduct electricity but not heat. The study, funded by the National Science Foundation and Department of Energy, provides information that could lead to new technologies for applications such as refrigeration or waste heat recovery from cars or nuclear power plants. The research was published by Nature Communications. “Tin selenide is a curious compound,” ...

Massachusetts drinking water may contain unsafe levels of manganese 

2023-07-10
FOR IMMEDIATE RELEASE                            Contact: Jillian McKoy, jpmckoy@bu.edu Michael Saunders, msaunder@bu.edu ## Massachusetts Drinking Water May Contain Unsafe Levels of Manganese A new study measured manganese levels in the residential tap water of a Holliston, Mass. community and found that the manganese concentrations occasionally exceeded the maximum safety level recommended in state and federal guidelines. Manganese is ...

Scientists discover 36-million-year geological cycle that drives biodiversity

Scientists discover 36-million-year geological cycle that drives biodiversity
2023-07-10
Movement in the Earth’s tectonic plates indirectly triggers bursts of biodiversity in 36‑million-year cycles by forcing sea levels to rise and fall, new research has shown. Researchers including geoscientists at the University of Sydney believe these geologically driven cycles of sea level changes have a significant impact on the diversity of marine species, going back at least 250 million years. As water levels rise and fall, different habitats on the continental shelves and in shallow seas expand and contract, ...

The sound of silence? Researchers prove people hear it

The sound of silence? Researchers prove people hear it
2023-07-10
Silence might not be deafening but it’s something that literally can be heard, concludes a team of philosophers and psychologists who used auditory illusions to reveal how moments of silence distort people’s perception of time. The findings address the debate of whether people can hear more than sounds, which has puzzled philosophers for centuries. “We typically think of our sense of hearing as being concerned with sounds. But silence, whatever it is, is not a sound — it’s the absence of sound,” said lead author Rui Zhe Goh, a Johns Hopkins University graduate student in philosophy and psychology. “Surprisingly, ...

Caterpillar venom study reveals toxins borrowed from bacteria

Caterpillar venom study reveals toxins borrowed from bacteria
2023-07-10
Researchers at The University of Queensland have discovered the venom of a notorious caterpillar has a surprising ancestry and could be key to the delivery of lifesaving drugs. A team led by Dr Andrew Walker and Professor Glenn King from UQ’s Institute for Molecular Bioscience found toxins in the venom of asp caterpillars punch holes in cells the same way as toxins produced by disease-causing bacteria such as E. coli and Salmonella. “We were surprised to find asp caterpillar venom was completely ...

Global cooling caused diversity of species in orchids, confirms study

Global cooling caused diversity of species in orchids, confirms study
2023-07-10
Research led by the Milner Centre for Evolution at the University of Bath looking at the evolution of terrestrial orchid species has found that global cooling of the climate appears to be the major driving factor in their diversity. The results help scientists understand the role of global climate on diversity of species, and how our current changing global climate might affect biodiversity in the future. One of the largest families of plants, there are around 28,000 species of orchids growing across the world. These plants are known for their huge variety of different sized and shaped flowers, so why are there so many species Climate change driving speciation Charles ...

Real-world context increases capacity for remembering colors

Real-world context increases capacity for remembering colors
2023-07-10
Human memory is fundamental to everything we do. From remembering the faces of someone you just met to finding your cell phone that you just left on a table, one's "visual working memory"— the core cognitive system that retains visual information in an active state for a short period of time, plays a vital role. Prior work has found that visual working memory capacity is well correlated with other important cognitive abilities such as academic performance, and fluid intelligence, which includes general reasoning and problem solving, so understanding its limits is integral to understanding how human cognition works. In the past, theories have proposed that an individual’s ...

Argonne scientist Shirley Meng recognized for contributions to battery science

2023-07-10
The Electrochemical Society (ECS) has selected scientist Shirley Meng of the U.S. Department of Energy’s (DOE) Argonne National Laboratory as the recipient of the 2023 Battery Division Research Award for innovative research on interfacial science, which has led to improved battery technologies. A pioneer in discovering and designing better materials for energy storage, Meng serves as chief scientist of the Argonne Collaborative Center for Energy Storage Science (ACCESS) and as a professor at the Pritzker School of Molecular ...

Researchers make a surprising discovery about the magnetic interactions in a Kagome layered topological magnet

Researchers make a surprising discovery about the magnetic interactions in a Kagome layered topological magnet
2023-07-10
A team from Ames National Laboratory conducted an in-depth investigation of the magnetism of TbMn6Sn6, a Kagome layered topological magnet. They were surprised to find that the magnetic spin reorientation in TbMn6Sn6 occurs by generating increasing numbers of magnetically isotropic ions as the temperature increases. Rob McQueeney, a scientist at Ames Lab and project lead, explained that TbMn6Sn6has two different magnetic ions in the material, terbium and manganese. The direction of the manganese moments controls the topological state, “But ...

Deciphering progesterone’s mechanisms of action in breast cancer

Deciphering progesterone’s mechanisms of action in breast cancer
2023-07-10
“The mechanisms underlying the observed effects of progesterone on breast cancer outcomes are unclear.” BUFFALO, NY- July 10, 2023 – A new research perspective was published in Oncotarget's Volume 14 on July 1, 2023, entitled, “Deciphering the mechanisms of action of progesterone in breast cancer.” A practice-changing, randomized, controlled clinical study established that preoperative hydroxyprogesterone administration improves disease-free and overall survival in patients with node-positive breast cancer. In this new perspective, researchers Gaurav Chakravorty, Suhail Ahmad, Mukul S. Godbole, Sudeep Gupta, Rajendra A. Badwe, ...

More data needed on lifestyle interventions for postpartum blood pressure control

2023-07-10
Hypertensive disorders of pregnancy such as preeclampsia and gestational hypertension occur in up to 10% of pregnancies and are associated with a three-fold increased risk of chronic hypertension and up to two-fold increased risk of cardiovascular disease when compared with healthy pregnancies. While the year after pregnancy is a critical time to address hypertension risk with lifestyle changes (healthy diet and exercise), the effects of lifestyle interventions on postpartum blood pressures are not well documented.   A new Boston University Chobanian & Avedisian School of Medicine study has found that there are few relevant studies on the ...

New biodegradable plastics are compostable in your backyard

New biodegradable plastics are compostable in your backyard
2023-07-10
We use plastics in almost every aspect of our lives. These materials are cheap to make and incredibly stable. The problem comes when we're done using something plastic — it can persist in the environment for years. Over time, plastic will break down into smaller fragments, called microplastics, that can pose significant environmental and health concerns. The best-case solution would be to use bio-based plastics that biodegrade instead, but many of those bioplastics are not designed to degrade in backyard composting conditions. They must be processed in commercial composting facilities, which are not accessible in all regions of the ...

Canned, frozen corn industry struggling across US growing regions

2023-07-10
URBANA, Ill. — For those whose primary experience with corn is the butter-drenched cob variety, it might come as a surprise that other forms of sweet corn are in trouble. A new University of Illinois Urbana-Champaign analysis shows sweet corn production for frozen and canned products has been steadily shrinking in the U.S. over the past 27 years, particularly in rainfed portions of the Midwest.  “The processing sweet corn industry [corn grown for canned and frozen products] was thriving in the U.S. throughout the 20th century. This type of production, ...

Ethics & Human Research, July-August 2023

2023-07-10
Antiracist Structural Intervention at the Emory University Institutional Review Board Francois Rollin, Vanessa Van Doren, Jessica Alvarez, Rebecca Rousselle, Jada Bussey-Jones   Although racial and ethnic categories are social constructs without inherent biologic or genetic meaning, race and ethnicity impact health outcomes through racism. The use of racial categories in biomedical research often misattributes the cause of health inequities to genetic and inherent biological differences rather than to racism. Improving research ...

Unhealthy beverage consumption highest among economically-vulnerable households that rely on multiple food assistance programs

2023-07-10
Philadelphia, July 10, 2023 – A long-standing and contentiously debated question is the extent to which US federal food assistance programs contribute to or deter healthy beverage intake. Findings of a new study in the Journal of Nutrition Education and Behavior, published by Elsevier, show that while beverage intake patterns rarely differed between mothers and young children who participated only in the Supplementation Nutrition Program for Women, Infants, and Children (WIC), only the Supplemental ...

Tumor monocyte content predicts immunochemotherapy outcomes for esophageal cancer

Tumor monocyte content predicts immunochemotherapy outcomes for esophageal cancer
2023-07-10
JULY 10, 2023, NEW YORK – A Ludwig Cancer Research study has discovered that the presence of relatively high numbers of immune cells known as monocytes in tumors is linked to better outcomes in esophageal cancer patients treated with a combination of chemotherapy and immunotherapy, or immunochemotherapy. Esophageal cancer is the sixth leading cause of cancer mortality worldwide, and the incidence of esophageal adenocarcinoma has been climbing at a relatively swift clip over the past 40 years. Survival times for inoperable or metastatic forms of the cancer range from 6 to 12 months. Led by Ludwig Oxford Director Xin Lu and ...

Game-playing automaton acts like an ‘irrational’ human

2023-07-10
ITHACA, N.Y. -- Humans make lots of irrational decisions in predictable ways, but what if we’re all just doing our best within the limits of our abilities? Researchers were able to simulate human behaviors using a probabilistic finite automaton, a well-known model of limited computational power. They programmed the automatons to compete against each other in a wildlife poaching game, as either a rhino poacher or a ranger trying to stop the poaching. When the automatons could remember everything, they settled into an optimal game strategy. But when researchers limited their memories, they took some decision-making shortcuts – the same ...

Nearly two thirds of youth would stop vaping without added sweet flavors, menthol, synthetic cooling agents

2023-07-10
COLUMBUS, Ohio – Major progress could be made in fighting the youth vaping epidemic with a complete restriction on sweet flavorings and cooling agents in both cartridge and disposable e-cigarette devices, according to a new study from the Center for Tobacco Research at The Ohio State University Comprehensive Cancer Center. The current U.S. Food and Drug Administration (FDA) flavor ban only applies to cartridge electronic cigarette devices. A new study published in the Journal of Studies on Addiction and Drugs by researchers ...

Girls Deliver: building an integrated, feminist ecosystem to support adolescent girls at the Women Deliver 2023 Conference

2023-07-10
July 10, 2023 — The Population Council’s GIRL Center, and co-hosts AFIDEP, AMPLIFY Girls, Baobab Research Programme Consortium, Children’s Investment Fund Foundation, Coalition for Adolescent Girls, Exemplars in Global Health, FP2030, Girl Effect, Girls First Fund, Conrad N. Hilton Foundation, the National Democratic Institute (NDI), Plan International, PMNCH, Purposeful, Together for Girls, UNICEF, Women Deliver, and The World Bank Africa Gender Innovation Lab, are proud to host the “Girls Deliver: Pre-Conference on Adolescent Girls,” on July 16. This one-day global convening ...

Light-activated molecular machines get cells ‘talking’

Light-activated molecular machines get cells ‘talking’
2023-07-10
HOUSTON – (July 10, 2023) – One of the main ways cells “talk” to each other to coordinate essential biological activities such as muscle contraction, hormone release, neuronal firing, digestion and immune activation is through calcium signaling. Rice University scientists have used light-activated molecular machines to trigger intercellular calcium wave signals, revealing a powerful new strategy for controlling cellular activity, according to a new study published in Nature Nanotechnology. This technology could lead to improved treatments ...

Biomarkers may hold key to precision mental health diagnosis, care

Biomarkers may hold key to precision mental health diagnosis, care
2023-07-10
The study of biomarkers in the brain—powered by cutting-edge machine learning techniques—could redefine the way mental health conditions are categorized and diagnosed and lead to more effective, personalized treatments.  That’s the goal of Yu Zhang, an assistant professor of bioengineering and electrical and computer engineering in Lehigh University’s P.C. Rossin College of Engineering and Applied Science who recently landed major support from the National ...

Navigating the future of underwater geolocalization: how polarization patterns enable new technology

Navigating the future of underwater geolocalization: how polarization patterns enable new technology
2023-07-10
University of Illinois Urbana-Champaign researchers have developed a novel method for underwater geolocalization using deep neural networks that have been trained on 10 million polarization-sensitive images collected from locations around the world. This new study, led by electrical and computer engineering professor Viktor Gruev, along with computer science professor David Forsyth, enables underwater geolocalization using only optical data while providing a tool for tethered-free underwater navigation. These findings were recently published in the journal eLight. “We are showing for the first time, you can geolocate yourself, or a camera, in a number of different ...

Anastasopoulos receives funding for EAGER: building language technologies by machine reading grammars 

2023-07-10
Antonios Anastasopoulos, Assistant Professor Computer Science, received $99,294 from the National Science Foundation for: "EAGER: Building Language Technologies by Machine Reading Grammars." This funding began in June 2023 and will end in late May 2024.  Anastasopoulos said, "This project aims to explore the feasibility of building language technologies while bypassing the need for exorbitant amounts of data, instead turning to already-codified linguistic knowledge. This is of particular importance for bridging the language technology gap for underserved communities: ...

Ungvari & Nichols securing core support for International Global Change Research

2023-07-10
Judit Ungvari, Research and Innovation Officer, Institute for a Sustainable Earth, and Leah Nichols, Executive Director, Institute for a Sustainable Earth, Research and Innovation Initiatives, received $277,602 from the National Science Foundation for: "Collaborative Research: Core Support for Future Earth International Global Change Research."  The grant will provide salary to support Ungvari’s work, travel funds, and support costs for participants to attend annual Sustainability Research and Innovation congresses where the Future Earth assembly occurs.  This funding began in May 2023 and will end ...
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