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Three Speculum articles recognized with prizes

2025-03-06
The University of Chicago Press is honored to share that several articles in Speculum: A Journal of Medieval Studies have won prizes from major organizations. These three articles join a long list of recent award-winners from the journal, which is the flagship publication of the Medieval Academy of America (MAA) and a major international forum for medieval studies research. Winner of the 2025 MAA Article Prize in Critical Race Studies Borderland Anxieties: Lisān al-Dīn ibn al-Khaṭīb (d. 1374) ...

ACM A.M. Turing Award honors two researchers who led the development of cornerstone AI technology

ACM A.M. Turing Award honors two researchers who led the development of cornerstone AI technology
2025-03-06
ACM, the Association for Computing Machinery, today named Andrew G. Barto and Richard S. Sutton as the recipients of the 2024 ACM A.M. Turing Award for developing the conceptual and algorithmic foundations of reinforcement learning. In a series of papers beginning in the 1980s, Barto and Sutton introduced the main ideas, constructed the mathematical foundations, and developed important algorithms for reinforcement learning—one of the most important approaches for creating intelligent systems. Barto is Professor Emeritus of Information and Computer Sciences at the University of Massachusetts, Amherst. Sutton is a Professor of Computer Science at ...

Incarcerated people are disproportionately impacted by climate change, CU doctors say

2025-03-06
When a wildfire approaches a prison and an evacuation warning is issued, what are the health risks that incarcerated people face when officials decide to not evacuate? What happens if the evacuation warning turns into a mandate and there are no transportation options to securely move everyone, or there are no nearby facilities to go to?  These are some of the issues raised by two University of Colorado Department of Medicine faculty members — Katherine LeMasters, PhD, and Lawrence Haber, MD — in a correspondence titled, “The Hidden Crisis of Incarcerated Individuals During Wildfires,” which was recently ...

ESA 2025 Graduate Student Policy Award Cohort Named

ESA 2025 Graduate Student Policy Award Cohort Named
2025-03-06
The Ecological Society of America is pleased to announce the recipients of the 2025 Katherine S. McCarter Graduate Student Policy Award (GSPA). Students in the 2025 cohort are engaged in advocacy with an interest in science policy. Awardees will travel to Washington, D.C., for policy, communication and career training followed by meetings with lawmakers on Capitol Hill. “Kudos to these ten outstanding graduate students and scientists in training,” said ESA President Stephanie Hampton. “Their dedication to science policy is essential for bridging research and decision-making. By engaging with policymakers, they will help ensure that ecological science ...

Insomnia, lack of sleep linked to high blood pressure in teens

2025-03-06
Research Highlights: Teenagers who slept less than 7.7 hours in a sleep lab were observed to be almost three times more likely to have elevated blood pressure than well-rested peers. Those who reported insomnia and slept less than 7.7 hours in a sleep lab were five times more likely to have stage 2 hypertension when compared with well-rested peers. The study did not find a notable link between elevated blood pressure or stage 2 hypertension risk among adolescents who reported insomnia but slept 7.7 hours or more. Note: The study featured in this news release is a research abstract. Abstracts presented at the American Heart Association’s scientific ...

Heart & stroke risks vary among Asian American, Native Hawaiian & Pacific Islander adults

2025-03-06
Research Highlights: The prevalence of cardiovascular disease risk factors varies greatly among Asian American, Native Hawaiian and other Pacific Islander (AANHPI) populations, according to an analysis of electronic health records for more than 700,000 adults in California and Hawaii. The 10-year predicted risk of a major cardiovascular event, such as a heart attack, stroke or heart failure, also varied among the different groups. These results highlight differential risks and raise awareness for the importance of identifying and managing cardiovascular disease risk factors in high-risk populations, the researchers noted. Note: The study ...

Levels of select vitamins & minerals in pregnancy may be linked to lower midlife BP risk

2025-03-06
Research Highlights: Higher levels of the minerals copper and manganese in pregnant women were associated with lower blood pressure and a reduced risk of developing high blood pressure decades later, according to a long-term study of women in Massachusetts. Higher levels of vitamin B12 were also associated with lower blood pressure in midlife. Note: The study featured in this news release is a research abstract presenting at the American Heart Association’s Epidemiology, Prevention, Lifestyle and Metabolic Health Scientific Sessions 2025, and the full manuscript is simultaneously published in the American Heart Association’s peer-reviewed journal Hypertension. Embargoed ...

Large study of dietary habits suggests more plant oils, less butter could lead to better health

2025-03-06
People who consume plant-based oil instead of butter may experience beneficial health effects and even have a lower risk of premature death, according to a new study by investigators from Mass General Brigham, Harvard T.H. Chan School of Public Health, and the Broad Institute of MIT and Harvard. The researchers examined diet and health data from 200,000 people followed for more than 30 years and found that higher intake of plant-based oils, especially soybean, canola, and olive oil, was associated with lower ...

Butter and plant-based oils intake and mortality

2025-03-06
About The Study: In this cohort study, higher intake of butter was associated with increased mortality, while higher plant-based oils intake was associated with lower mortality. Substituting butter with plant-based oils may confer substantial benefits for preventing premature deaths.  Corresponding Author: To contact the corresponding author, Dong D. Wang, MD, ScD, email dow471@mail.harvard.edu. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ (doi:10.1001/jamainternmed.2025.0205) Editor’s ...

20% of butterflies in the U.S. have disappeared since 2000

20% of butterflies in the U.S. have disappeared since 2000
2025-03-06
BINGHAMTON, N.Y. -- Butterflies are beloved creatures that inspire art and play an important ecological role, but you might have noticed less of them brightening your day in recent years. According to new research featuring faculty at Binghamton University, State University of New York, these cherished insects are disappearing at an alarming rate. A new study published in Science examines butterfly data in the United States, and the results are troubling. Looking across 76,000 surveys, the study revealed that butterfly abundance fell by 22% between 2000 and 2020. To put it starkly: for every five butterflies in the U.S. ...

Bacterial ‘jumping genes’ can target and control chromosome ends

2025-03-06
ITHACA, N.Y. -- Transposons, or “jumping genes” – DNA segments that can move from one part of the genome to another – are key to bacterial evolution and the development of antibiotic resistance. Cornell University researchers have discovered a new mechanism these genes use to survive and propagate in bacteria with linear DNA, with applications in biotechnology and drug development. In a paper under embargo in Science until 2pm ET on March 6, 2025, researchers show that transposons can target and insert themselves at the ends ...

Scientists identify genes that make humans and Labradors more likely to become obese

Scientists identify genes that make humans and Labradors more likely to become obese
2025-03-06
Researchers studying British Labrador retrievers have identified multiple genes associated with canine obesity and shown that these genes are also associated with obesity in humans. The dog gene found to be most strongly associated with obesity in Labradors is called DENND1B. Humans also carry the DENND1B gene, and the researchers found that this gene is also linked with obesity in people.   DENND1B was found to directly affect a brain pathway responsible for regulating the energy balance in the body, called the leptin melanocortin pathway.   An additional four genes associated with canine obesity, ...

Early-life gut microbes may protect against diabetes, research in mice suggests

Early-life gut microbes may protect against diabetes, research in mice suggests
2025-03-06
The microbiome shapes development of insulin-producing cells in infancy, leading to long-term changes in metabolism and diabetes risk, new research in mice has found. The results could ultimately help doctors reduce the risk of type 1 diabetes—or potentially even restore lost metabolic function in adulthood—by providing specific gut microbes that help the pancreas grow and heal. The findings are published in Science.   The critical window Mice that are exposed to broad-spectrum antibiotics in early life have worse metabolic health in the long term, the researchers found. If the mice received antibiotics during a 10-day window shortly after birth, they developed ...

Study raises the possibility of a country without butterflies

Study raises the possibility of a country without butterflies
2025-03-06
Butterflies are disappearing in the United States. All kinds of them. With a speed scientists call alarming, and they are sounding an alarm. A sweeping new study published in Science for the first time tallies butterfly data from more than 76,000 surveys across the continental United States. The results: between 2000 and 2020, total butterfly abundance fell by 22% across the 554 species counted. That means that for every five individual butterflies within the contiguous U.S. in the year 2000, there were only four in 2020. “Action must be taken,” ...

Study reveals obesity gene in dogs that is relevant to human obesity studies

2025-03-06
  Dogs are a compelling model of human obesity, in part because they develop obesity due to similar environmental influences as people. In a genome-wide association study (GWAS) of Labrador retrievers, researchers have identified an obesity-related gene – DENND1B – that may also influence obesity in humans. These findings highlight the value of using non-traditional animal models to study complex diseases and highlight the gene’s potential as a target for future obesity research across species. Obesity is a ...

A rapid decline in US butterfly populations

2025-03-06
  Butterfly populations across the United States are in alarming decline, according to a new study, with total abundance falling by 22% in just 20 years. Such widespread and worrisome losses portend broader environmental threats and emphasize the urgent need for conservation action. “Our national-scale findings paint the most complete – and concerning – picture of the status of butterflies across the country in the early 21st century,” write the authors. The decline of biodiversity has been extensively documented worldwide. Among these losses, the decline of insects is particularly ...

Indigenous farming practices have shaped manioc’s genetic diversity for millennia

2025-03-06
A new genomic study reveals how Indigenous traditional farming practices have shaped the evolution of manioc – one of the world’s most important staple crops – for the better. The domestication of plants and the rise of agriculture were transformative events in human history. Today, a few staple crops provide most human calories, including manioc (cassava or yuca), a vital root crop that sustains nearly a billion people across the tropics. Although it ranks as the world’s seventh most significant crop, manioc is primarily cultivated on small farms. The plant’s ...

Controlling electrons in molecules at ultrafast timescales

Controlling electrons in molecules at ultrafast timescales
2025-03-06
Scientists at YOKOHAMA National University, in collaboration with RIKEN and other institutions in Japan and Korea, have made an important discovery about how electrons move and behave in molecules. This discovery could potentially lead to advances in electronics, energy transfer, and chemical reactions. Published in the Journal, Science, their study reveals a new way to control the distribution of electrons in molecules using very fast phase-controlled pulses of light in the terahertz range. Atoms and molecules contain negatively charged electrons that usually stay in specific energy levels, like layers, ...

Tropical forests in the Americas are struggling to keep pace with climate change

2025-03-06
Embargoed until 14:00 US Eastern Time, Thursday 6 March 2025  Tropical forests in the Americas are struggling to keep pace with climate change  Tropical rainforests play a vital role in global climate regulation and biodiversity conservation. However, a major new study published in Science reveals that forests across the Americas are not adapting quickly enough to keep pace with climate change, raising concerns about their long-term resilience.  The research, led by Dr. Jesús Aguirre-Gutiérrez from the University of Oxford’s Environmental Change Institute (ECI), involved over 100 scientists ...

Brain mapping unlocks key Alzheimer’s insights

Brain mapping unlocks key Alzheimer’s insights
2025-03-06
Researchers from The University of Texas at Arlington and the University of California–San Francisco have used a new brain-mapping technique to identify memory-related brain cells vulnerable to protein buildup, a key factor in the development of Alzheimer’s disease, an incurable, progressive brain disorder that slowly destroys memory and thinking skills. In Texas, nearly half a million people live with Alzheimer’s disease, a form of dementia that costs the state approximately $24 billion in caregiver time, according to the Texas Department of State Health Services. Texas ranks fourth in the nation for Alzheimer’s cases ...

Clinical trial tests novel stem-cell treatment for Parkinson’s disease

2025-03-06
A recently launched Phase 1 clinical trial at Mass General Brigham is examining the safety and feasibility of a groundbreaking treatment approach for Parkinson’s disease in which a patient’s stem cells are reprogrammed to replace dopamine cells in the brain damaged by the disease. The first-of-its-kind trial of an autologous stem cell transplant, based on research and technologies invented and validated preclinically at McLean Hospital’s Neuroregeneration Research Institute (NRI), has enrolled and treated three patients at Brigham and Women’s ...

Awareness of rocky mountain spotted fever saves lives

Awareness of rocky mountain spotted fever saves lives
2025-03-06
Rocky Mountain spotted fever is a bacterial infection spread by biting ticks to humans and dogs. Found on every continent except Antarctica, the infectious disease has been spreading since the early 2000s, most notably in Mexico and Brazil. Of the cases reported, more than half of infected people and dogs die. A paper led by the University of California, Davis, highlights one of the most effective but often missing solutions to surviving this preventable, deadly disease: awareness. Most fatal cases stem from delays in diagnosis and treatment. “The No. 1 thing that prevents human death from Rocky Mountain spotted fever is for everyone at high risk to know ...

Breakthrough in noninvasive monitoring of molecular processes in deep tissue

2025-03-06
The prestigious journal Advanced Materials recently published a groundbreaking study introducing a new method for monitoring molecular processes deep within tissue. Developed at the Technion - Israel Institute of Technology, the innovation is expected to accelerate key advancements in personalized medicine, cancer diagnosis, and early disease detection. The research was led by Prof. Hossam Haick, postdoctoral fellow Dr. Arnab Maity, and Ph.D. student Vivian Darsa Maidantchik from the Wolfson Faculty of Chemical Engineering at the Technion. The study also involved Dr. Dalit Barkan, research assistant Dr. Keren ...

BU researcher named rising star in endocrinology

2025-03-06
(Boston)—Sun Lee, MD, MSc, assistant professor of medicine at Boston University Chobanian & Avedisian School of Medicine, has been awarded an American Association of Clinical Endocrinology (AACE) Rising Star in Endocrinology Award.   The honor is presented to a physician who is within 10 years of completing their endocrine fellowship and has demonstrated actionable outcomes in outstanding leadership, teamwork and/or innovation in support of AACE’s mission to elevate clinical endocrinology ...

Stressed New Yorkers can now seek care at Mount Sinai’s new resilience-focused medical practice

Stressed New Yorkers can now seek care at Mount Sinai’s new resilience-focused medical practice
2025-03-06
The Center for Stress, Resilience and Personal Growth at Mount Sinai—a first-of-its-kind initiative launched in April 2020 at the height of the COVID-19 pandemic to address its psychosocial impact on Mount Sinai Health System’s workforce—is now offering confidential behavioral health treatment services to New Yorkers generally. A team of clinical psychologists, psychiatrists, and licensed clinical social workers from the Center is now available to individuals 18 years and older who are interested in and could benefit from behavioral health treatment. Clinical services include cognitive behavioral therapy, ...
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