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Fatigue due to repetitive strain is the leading cause of failure in metal components and structures, but new research shows how crystalline structures called nanotwins can slow the accumulation of fatigue-related damage.
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A person’s ability to smell may vary throughout the day in accordance with their circadian rhythm, according to new evidence in a small study by Brown University researchers who are looking at how sleep may influence eating patterns in teens.
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Brown launches global health master’s degree

With an emphasis on global field experience and integration with social sciences, the Brown University School of Public Health will offer a two-year master’s degree in global public health beginning next fall.
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Terahertz spectroscopy goes nano

Brown University researchers have improved the resolution of terahertz emission spectroscopy — a technique used to study a wide variety of materials — by 1,000-fold, making the technique useful at the nanoscale.
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In a finding that could have broad applications in optical devices, Brown University researchers have shown that they can transform incoherent light to almost fully coherent and vice versa.
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When evolving in environments where a lack of predators makes food scarcity the main survival challenge, guppy mothers gestate their young longer so that they are born more ready to compete for their meals.
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Since Hurricane Maria devastated Puerto Rico, Dr. Janice Santos, assistant professor of surgery and a physician with Brown Urology, has been working to help provide relief where an urgent medical crisis continues.
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Working in Brown University’s Center for Computation and Visualization, application scientist Benjamin Knorlein, here with visiting scientist Tom Sgouros, helps turn research data into virtual reality.
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Brown University biostatistics researchers, led by Professor Constantine Gatsonis, will provide a statistical ‘nerve center’ for a huge and innovative new study comparing 3-D and 2-D breast cancer screening technologies.
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The Pew Charitable Trusts will support Gilad Barnea in a project to apply his neural circuit tracing method to tracking the spread of cancer, while a National Science Foundation fellowship will enable Scott Cruikshank to master an advanced technology for controlling brain cells with light.
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A Brown University study identifies three large surface ice deposits near Mercury’s north pole, and suggests there could be many additional small-scale deposits that would dramatically increase the planet’s surface ice inventory.
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Postdoctoral researcher Arif Hamid and graduate students Kavin Nuñez and Shawn Williams have earned competitive fellowships from the Howard Hughes Medical Institute to support their academic careers and their desire to become role models in science.
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Hospitals facing the prospect of ransomware attacks like the one that afflicted British hospitals in May can take many concrete steps to better protect themselves, but some of the most important measures — such as a national policy not to pay ransoms — may be tougher to formulate.
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With a dual mission of research and public service, the Mindfulness Center at Brown University will conduct and promote rigorous research on the health effects of interventions and work to disseminate and promote evidence-based practices.
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In a new review paper, scientists explain the vexing complexities that make it hard to predict whether a new genetic trait will take over a population or die out, a key challenge for many fields including infectious disease.
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The temporary structures, which can be degraded away with a biocompatible chemical trigger, could be useful in fabricating microfluidic devices, creating biomaterials that respond dynamically to stimuli and in patterning artificial tissue.
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Research spanning the academic-medical partnership among Brown University, Rhode Island Hospital and Butler Hospital is advancing the possibility that the retinas will give doctors a way to identify Alzheimer’s disease risk long before symptoms begin.
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The discovery in lab mice that an “anti-sense” RNA is expressed after nerve injury to regulate the repair of damage to the nerve’s myelin coating could lead to a treatment that improves healing in people.
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Main green totally packed for partial eclipse

The Great American Eclipse drew a big crowd at a College Hill viewing event. Check out a sampling of social media posts from those in attendance.
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Profiles in Summer Research: Michael Demanche

Combining data collection in the field with work in lab, Michael Demanche is developing techniques for using satellites to monitor a key environmental indicator in Narragansett Bay.
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A new simulation of the dementia epidemic estimates the economic impact the disease has on households and public insurance programs and provides a tool for projecting the impact that different interventions could have.
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A team of researchers from Brown’s Superfund Research Program is partnering with the Rhode Island Department of Health to test 35 of the state’s water systems for chemicals known as PFASs.
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The Federal Communications Commission has issued a license for testing terahertz wireless data links, which could be the backbone of next-generation high-speed data networks, on the Brown campus.
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Stroke rate drops for men, but not women

A new study of a population of 1.3 million people in Ohio and Kentucky finds that the rate at which strokes occur has dropped significantly for men in recent years, but not for women.
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Profiles in Summer Research: Gary Chien

Driven by a passion for computer vision, Gary Chien has learned new programming skills this summer to help make Brown’s “smart playroom” even smarter.
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As public health officials combat the opioid overdose epidemic, in part by reducing unnecessary prescribing, a study shows that drug manufacturers paid more than $46 million to more than 68,000 doctors over a 29-month period.
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For years, researchers at Brown’s Center for Alcohol and Addiction Studies have been studying the potential impact of reducing nicotine in cigarettes, a policy that has now been formally introduced by the FDA.
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With a $1.5 million share of a new $6 million, four-year grant, Brown scientists will contribute to an effort to model how genetic mutations can lead to differences in proteins that ultimately cause different traits in organisms.
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