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Why Tornadoes on LI are a Rarity

After an EF1 tornado touched down in Atlantic Beach on August 20, Dr. Jase Bernhardt, associate professor of geology, environment, and sustainability, talked to Newsday about this rare occurrence. Some parts of the country – particularly in the central United States – are more likely to have the atmospheric conditions required to form a tornado. One key condition these cyclones require is “a clashing of contrasting air masses,” said Bernhardt. “We just don’t have the ingredients that are necessary. The water around the island tends to moderate the climate a bit.”

As Congress Weighs the Future of Daylight Saving Time, a UMW Sleep Researcher Explains What Your Body Actually Goes Through

The House passed the Sunshine Protection Act on July 14, 2026, reviving the national debate over whether the U.S. should adopt permanent daylight saving time, return to permanent standard time, or keep the twice-yearly clock change altogether. The bill now heads to the Senate. At the University of Mary Washington, Dr. Hilary Stebbins, Associate Professor of Psychological Science, studies the chronobiology and sleep patterns of college students, research that can help inform exactly this debate: how does shifting the clock affect cognitive performance and behavior, no matter which system we land on? Dr. Hilary Stebbins is an Associate Professor in the Department of Psychological Science at the University of Mary Washington. She is an expert on sleep deprivation, circadian rhythms, and dopamine function, and how each affects cognitive performance and behavior. View her profile Stebbins doesn't take a side in the policy debate. Her focus is chronobiology, how sleep patterns and circadian rhythms affect college students' cognitive performance and behavior. But that science speaks directly to the choice lawmakers are weighing: any shift, whether it's permanent daylight saving time, permanent standard time, or sticking with the current system, creates a temporary mismatch between our internal clock and the outside world, and it takes the body time to catch up. "One of my past teams found that as people report higher levels of sleepiness, they show higher dopamine function and also have more difficulty controlling impulsive actions." — Dr. Hilary Stebbins, Associate Professor of Psychological Science, University of Mary Washington Stebbins leads a year-long undergraduate research team (PSYC 491/492) each year, and in 2018 a team of her students won the Virginia Association for Psychological Science's award for best undergraduate paper for their research on sleep deprivation. Interested in discussing chronobiology, sleep patterns, or the science behind the debate over permanent daylight saving time, permanent standard time, or dopamine and behavior? Connect with Dr. Hilary Stebbins, Associate Professor of Psychological Science at the University of Mary Washington, for expert insight into sleep research and its real-world stakes. Click on the link here.

ICE Arrests Decline on Long Island

Lawrence Levy, associate vice president and executive dean of Hofstra University’s National Center for Suburban Studies, was interviewed by Newsday about the decline in ICE arrests on Long Island. This stands in contrast to the rest of the country where nearly 50,000 people were arrested in July, the highest number since President Donald Trump’s second term. Levy said the trend, if the data is accurate, suggests that organized opposition to aggressive immigration enforcement by Latino and non-Latino residents and organizations may be having an impact.

Cornea specialist, educator named chair of MCG Ophthalmology

Amy Estes, MD, a cornea specialist, educator and long‑time faculty leader, has been named chair of the Department of Ophthalmology at the Medical College of Georgia at Augusta University, effective July 1. Pending approval of the University System of Georgia Board of Regents, she will also hold the Knights Templar Educational Foundation of Georgia/Fleetwood Maddox Chair in Ophthalmology. Estes joined MCG in 2013 and currently serves as director of the Cornea Service. She is a highly respected clinician who cares for patients from across Georgia who require advanced medical and surgical management of complex corneal disease. A dedicated educator, Estes has played a central role in training the next generation. She has advised numerous medical students pursuing careers in ophthalmology, served on multiple PhD committees and contributed extensively to resident education. She previously served as associate director of the Ophthalmology Residency Program and has led the residency program as director since 2020. Her leadership has strengthened the visibility and reputation of the department’s educational programs across the state. She also brings significant leadership experience at both the state and national levels. She has served on the council of the Georgia Society of Ophthalmology, ultimately becoming its president, and as the Georgia representative at the American Academy of Ophthalmology. Her research collaborations with the James and Jean Culver Vision Discovery Institute have contributed to six R01 grants and 19 peer-reviewed publications, advancing both basic science and translational vision research at MCG. “Dr. Estes has demonstrated exceptional commitment to patient care, education, and research throughout her career at MCG,” said MCG Dean David C. Hess, MD. “Her vision for the department, combined with her deep understanding of our institution and the needs of patients across Georgia, makes her an outstanding choice to lead the department into its next chapter. “I also want to express my sincere appreciation to Steve Brooks, MD, who has served as chair of the department since 2020 and will return to his faculty role as a pediatric ophthalmologist. Dr. Brooks has guided the department through significant transitions with steadiness, compassion, and a deep commitment to learners and patients. I’m thankful that he will continue to share his expertise with our students, residents, and the children and families he serves, and that he will continue his important work in patient care, research, and education.” As chair, Estes plans to prioritize faculty recruitment and retention, support continued growth in research and education, and pursue opportunities to expand clinical services, including exploring satellite locations to improve patient access and accommodate increasing demand for eye care across the state. She completed her undergraduate education at Davidson College before earning her medical degree from The Ohio State University College of Medicine. She completed both her ophthalmology residency and a fellowship in cornea and refractive surgery at Wake Forest Baptist Medical Center. See more experts at Augusta University → Click here

Specialized brain imaging tracks hormone-driven changes

A new study out of the University of Delaware shows that fluctuations in estrogen influence the brain, helping reshape connections between neurons. Researchers showed that a specialized imaging technique called magnetic resonance elastography (MRE) can detect estrogen-dependent mechanical changes in the hippocampus, a brain region involved in memory and learning, across the reproductive cycle. The findings, published in Brain Communications, lay the groundwork for future studies exploring how hormonal changes, including long-term transitions like menopause, affect brain health in women. “Across the reproductive cycle, the brain adapts, relying more heavily on different regions at different times. This was step one: can we track these changes with MRE in rats, and then eventually in humans?” said first author Katrina Milbocker, a postdoctoral researcher in Curtis Johnson’s laboratory and a UD alumna with a doctorate in behavioral neuroscience. “Imaging is often viewed as a tool for detecting disease, but it can also help us understand brain health dynamically,” said Johnson, an associate professor of biomedical engineering. “Our ultimate goal is to understand how brain mechanics change across life stages and what those changes can tell us about health and aging.” Toward clinical translation While the study links hormone fluctuations to changes in hippocampal mechanics, the question of whether those changes influence brain function remains. A key next step is connecting MRE measurements with cognition, including memory and learning. Johnson’s team is also extending the work into rat models of menopause, a life stage in which the body produces much lower levels of estrogen. “We suspect there may be a mechanical ‘stuck state’ when estrogen is first depleted, contributing to disrupted cognitive function like brain fog, and we are trying to test this next,” he said. At the same time, the team is working to translate the findings to humans through parallel rodent and human studies. “One unique advantage at UD is that the human and animal imaging facilities are in the same building, which makes collaboration easier,” Milbocker said. Ultimately, they hope to make MRE fast enough to be incorporated into routine MRI exams, ideally adding less than a minute to a standard scan. “Transitions such as menopause span years, and we want to understand how brain health changes across them and how to support individuals during those periods,” Johnson said. To speak with Milbocker or Johnson, email mediarelations@udel.edu.

Disaster Response Expert: How Flood Evacuations Impact Vulnerable Families, Infants and Companion Animals

When disasters strike, evacuation decisions can be complicated by factors that emergency planners may not always anticipate — including the needs of pets, infants and other vulnerable members of a household. University of Delaware disaster researcher Sarah DeYoung studies how people make decisions during disasters and how emergency planning can better account for the needs of families and their companion animals. Her expertise includes evacuation decision-making, companion animals in disasters, infant feeding in emergencies and maternal and child well-being during disasters. DeYoung's research is particularly relevant as communities around the world respond to natural disasters, including the devastating flooding currently affecting Nepal. DeYoung has conducted field research following 13 disasters, including the 2015 Gorkha earthquake in Nepal, where she studied maternal and infant health and feeding in the aftermath of the disaster. She says that pets can significantly influence evacuation decisions. People may delay or avoid evacuation if they cannot bring their animals with them, while others may return to dangerous areas to retrieve pets. Her work examines how emergency managers can better incorporate animals into evacuation and sheltering plans. She also studies the particular challenges facing mothers and infants during disasters, including access to food, infant feeding, shelter and other basic necessities. Topics she can discuss include: • How pets influence evacuation decisions • Challenges of evacuating and sheltering with companion animals • How emergency planners can better account for pets and families • Emergency warnings and evacuation decision making  • The needs of mothers and infants during disasters • Infant feeding and access to basic necessities during disaster recovery • How disasters affect vulnerable populations and family well-being To reach DeYoung directly and arrange an interview, visit her profile and click on the "contact" button. Interested reporters can also send an email to MediaRelations@udel.edu.

MCG researchers awarded $275K grant to study HIV and retinopathy correlation

It’s often said that “teamwork makes the dream work,” and scientists from different disciplines at Augusta University are a perfect example of that. Manuela Bartoli, PhD, research director and professor of ophthalmology at AU’s Medical College of Georgia, has joined forces with Eric Belin de Chantemèle, PhD, a physiologist in MCG’s Vascular Biology Center, to explore the link between HIV and retinopathy. The pair was recently awarded a two-year $275,000 grant from the National Eye Institute that will allow them to test different variables on a transgenic mouse model and assess how they impact the development of retinopathy. The project began with Bartoli and Belin de Chantemèle examining transgenic mice that expressed viral proteins linked to HIV. They found that the blood vessels supplying oxygen and nutrients to the mice’s retinas were not functioning properly. “So, we developed the idea that people living with HIV may be more prone to or progress more rapidly when they get one of the ischemic retinopathies that are very common, particularly diabetic retinopathy and age-related macular degeneration,” Bartoli said. “I think this is important because we’ll basically define a chronic HIV infection as a risk factor for the development of the most severe ocular disease.” Bartoli’s work focuses on ischemic retinopathies, which are conditions that reduce blood flow, oxygen and nutrients to the retina – the part of the eye responsible for vision. These disorders are the leading cause of blindness around the world. Different types include retinopathy of prematurity, diabetic retinopathy and age-related macular degeneration. Several factors contribute to ischemic retinopathies, such as oxidative stress and inflammatory processes. Bartoli infers HIV might be another risk factor, but it’s tough to confirm as antiretroviral therapies make the virus nearly undetectable. “The number of people living with HIV is growing in terms of age, so most likely they will develop, at some point, a disease like age-related macular degeneration, which is really common in the elderly population,” Bartoli said. “We knew the individual has the acute infection, and because of the immunosuppression, they develop a number of infections that lead to retinal dysfunction. There was also reported what is called retinitis due to HIV. But with medication, these acute events disappear, and we don’t know, when you get older and develop one of these diseases, how is it going to progress?” While cART therapies can manage HIV, Bartoli noted they don’t fix the defective blood vessels in the retina. And it’s not just the retina. The big picture is that HIV alters blood vessels throughout the human body, therefore elevating blood pressure and causing cardiovascular disease. “We have blood vessels in every single organ, whether this is the heart, the lungs, the kidneys, the brain, the eyes, they are everywhere,” Belin de Chantemèle said. “As HIV is damaging the vessel, that would lead to dysfunctions in all those different organs.” “On top of that, people who have HIV usually have additional comorbidities. Very often people become obese, have diabetes,” he continued. The researchers plan to eventually move beyond mouse models and include human subjects in their study. “I’m already working with people around to try to get information,” Bartoli said. “For example, in the VA system.” The ultimate goal is to establish how HIV contributes to the progression of eye diseases, which will hopefully lead to a better understanding of why it happens and how to treat it. “If this individual who progresses more rapidly goes to the doctor when they are blind already or semi-blind, it’s too late for anything,” Bartoli said. “Blindness is the primary fear in people, so we’re going to combat the cause to prevent this side effect.” Discoveries at Augusta University are changing and improving the lives of people in Georgia and beyond. Your partnership and support are invaluable as we work to expand our impact. See more experts at Augusta University → Click here

How Trade Wars Are Reshaping Fashion and Apparel

Trade disputes and tariffs have become an increasingly common part of the global economic landscape, with the fashion and apparel industry often caught in the crossfire. University of Delaware professor Sheng Lu can explain how these disruptions reshape sourcing decisions, supply chains, prices and the products ultimately available to consumers. Lu can discuss: • How new tariffs, including those on Canadian jackets and wool products, could affect consumers, fashion companies and apparel supply chains. • How tariffs can affect apparel prices and product availability for U.S. consumers. • Why fashion and apparel supply chains are particularly vulnerable to trade policy changes. • The impact of trade disputes on fashion companies and retailers in the U.S. and abroad. • What previous trade disputes can tell us about the potential consequences of tariffs. To arrange an interview, visit Lu's profile and click on the “contact” button. Interested reporters can also email MediaRelations@udel.edu.