BRIAN A. COX, M.D.

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This study looked at how exposure to certain metals and chemicals affects the immune system of teenagers in Belgium. Researchers found that higher levels of some pollutants, like polychlorinated biphenyls (PCBs) and manganese, were linked to lower white blood cell counts, which are crucial for fighting infections. This matters because a weakened immune system during adolescence can lead to health issues later in life. Who this helps: This helps adolescents and their healthcare providers understand how environmental toxins may impact health.

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This study looked at blood samples from patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and compared them to samples from healthy individuals. It found that 72.5% of ME/CFS patients had elevated antibodies linked to the viruses Epstein-Barr, HHV-6, and varicella-zoster, compared to only 31% of healthy controls. These findings are important because they suggest a potential marker for understanding ME/CFS and its connection to fatigue, helping to improve diagnosis and treatment strategies. Who this helps: This helps patients with ME/CFS and their healthcare providers.

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This study looked at a 45-year-old woman with severe heart valve issues and advanced liver disease who needed a liver transplant. Researchers found that using a new, less invasive procedure called transcatheter tricuspid valve replacement (TTVR) allowed her to safely receive the liver transplant. This is important because patients with severe tricuspid regurgitation face a higher risk of death after liver transplantation, and this method can offer them a better chance at survival by making the transplant possible. Who this helps: This benefits patients with severe heart and liver conditions who are at high risk for surgery.

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This study looked at how well different pathologists agree on diagnosing certain types of colorectal polyps called sessile serrated lesions (SSL) and hyperplastic polyps (HP) using updated World Health Organization (WHO) criteria. Despite the updates, the researchers found that agreement among pathologists was only moderate in the early assessments and improved to good when more information about the polyps, like size and location, was provided. Specifically, they found that 35% of the cases were identified as SSL more than 80% of the time, while 27% were identified as HP more than 80% of the time. This matters because better agreement in diagnoses can lead to more accurate treatment decisions and improved patient outcomes. Who this helps: Pathologists and patients at risk for colorectal cancer.

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This study focused on finding out if the genes in the placenta can predict which children might develop allergies. Researchers looked at placentas from 366 babies and found that specific genes related to stress hormone regulation could help identify kids at lower risk for allergies with a moderate accuracy score of 0.664. This is important because early identification of at-risk children can lead to timely interventions that might prevent allergies or lessen their effects. Who this helps: This helps parents and doctors by providing early insights into a child's allergy risks.

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This study looks at how researchers are working to improve models that mimic the blood-brain barrier (BBB) to better deliver drugs to the brain, especially as neurological disorders become more common in older adults. The researchers discuss the limitations of current models and the need for better techniques that replicate human brain conditions, noting that advancements in microphysiological systems (MPS) can help. These improvements can significantly enhance the effectiveness of treatments while reducing reliance on animal testing. Who this helps: This benefits patients with neurological disorders and the doctors treating them.

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This study looked at how pharmacy schools in the U.S. identify and address professionalism problems during early training experiences for student pharmacists. Out of 140 schools surveyed, 61 responded, and the results showed that nearly all of them (98.3%) assess professionalism, mainly through evaluations by preceptors. Common issues included being late or absent (98.3%) and poor attitude (71.7%), with most schools reporting that they fail 1-3% of students each year for these problems. Who this helps: This research benefits pharmacy schools and their students, improving training and expectations around professional behavior.

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Researchers at the University of Toronto created a new one-year graduate program called the Master of Health Science in Medical Physiology. This program helps students learn how to use their physiology knowledge in practical careers, like in biotechnology and data analytics. Nearly 66% of recent graduates found jobs in related fields, showing that the program effectively prepares them for the workforce. Who this helps: This helps students looking to build a career in physiology and related health sectors.

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Researchers studied a new way to deliver a medication called Amphotericin B (AmB) to treat American cutaneous leishmaniasis (CL) using small microneedles in mice. They found that using these microneedles for 20 days significantly reduced the size of skin lesions by up to 2.8 mm compared to a control group, and there were no harmful side effects on kidney function. This method shows promise for making treatment easier and safer for people in impoverished communities who struggle to access traditional medical care. Who this helps: Patients suffering from American cutaneous leishmaniasis.

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This study looked at how providing long-acting reversible contraception (LARC) like Nexplanon immediately after childbirth affects the rate of rapid repeat pregnancies (RRP), which can pose serious risks for mothers and babies. Out of 726 women studied, those who opted for Nexplanon right after delivery had a 6% chance of experiencing RRP, compared to 20% for those who didn't choose it. This matters because while the availability of LARC is linked to lower RRP rates, only a small number of women actually chose to use it, indicating a need for better education and support around these options. Who this helps: This helps new mothers, especially those at higher risk for rapid repeat pregnancies.

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This study looked at how a specific particle, called the D^0 meson, is produced when heavy lead nuclei collide in a very specific way. Researchers found that they could measure these particles through certain events where one of the nuclei breaks apart while the other remains intact, and this was achieved using data from high-energy lead-lead collisions. Their findings help improve our understanding of how particles behave at a nuclear level, particularly in terms of the distribution of their constituent parts, showing important data about partons within lead nuclei. Who this helps: This helps physicists and researchers in particle physics who are studying nuclear interactions and fundamental particles.

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Researchers studied how the Higgs boson behaves when it decays into pairs of charm quarks and is produced alongside top quarks. They found that the rate of this occurrence is slightly lower than what the standard model predicts, with numbers showing an observed event rate of 0.91, and the charm-quark interactions better constrained at less than 3.5 times the standard model expectation. This matters because it helps scientists understand the fundamental properties of particles and how they interact, which is key for advancing physics knowledge. Who this helps: This research benefits physicists and researchers working on particle physics and the standard model.

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This study focused on analyzing three specific types of particles called B mesons: B^{*+}, B^{*0}, and B_{s}^{*0}. Researchers found the mass differences between these excited mesons and their normal counterparts to be very precise: 45.277 MeV for B^{*+}, 45.471 MeV for B^{*0}, and 49.407 MeV for B_{s}^{*0}. These findings are notable because they enhance the accuracy of our understanding of these particles by a factor of ten compared to earlier measurements. Who this helps: This helps physicists studying particle interactions and the fundamental forces in nature.

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The CMS particle detector at CERN observed, for the first time, a collision event in which a single top quark was produced alongside both a W and a Z boson simultaneously. The signal was confirmed with 5.8 standard deviations of statistical significance using 200 inverse femtobarns of data. This observation validates a predicted process in the Standard Model of particle physics and opens a new channel for probing fundamental interactions between quarks and force-carrying particles.

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This study focuses on improving the process of drug discovery by turning promising initial compounds (called hits) into more refined versions (called leads) that could potentially be developed into effective medications. The researchers outline best practices for identifying good lead candidates, emphasizing the importance of assessing their activity, safety, and other properties early on. By following these guidelines, scientists can better decide which compounds are worth investing in for further research and which should be abandoned. Who this helps: This helps researchers and pharmaceutical companies developing new medications.

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This study looked at how much women in Ghana know about human papillomavirus (HPV), which is a major cause of cervical cancer, as well as the risk factors for the disease and the importance of screening. Researchers found that only 2.4% of women with cervical cancer and 6.5% of those without it correctly understood HPV's role in developing the disease. Most participants (95.9%) were unaware of how HPV spreads, and only 3.5% knew about HPV vaccination, highlighting a significant lack of knowledge and barriers to access like cost and limited information about vaccination locations. Who this helps: This research benefits women in Ghana, as well as healthcare providers aiming to improve awareness and prevention of cervical cancer.

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This paper corrects previous research on the bacteria that cause bacterial spot disease in peaches. The study found that the bacteria have developed resistance to the antibiotics oxytetracycline and streptomycin. This matters because it means treatment options may become less effective for managing this disease, which affects peach crops. Who this helps: This helps farmers and agricultural professionals dealing with peach production.

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This study looked at the impact of low-emission zones (LEZs) in Antwerp and Brussels, which restrict certain vehicles to improve air quality. After these zones were introduced, pollution levels dropped significantly faster in these cities compared to others, with a 20% faster decline in air pollutants like nitrogen oxides and black carbon. Additionally, residents in lower-income areas experienced less exposure to pollution over time and there were positive health outcomes, like reduced diabetes rates, associated with the LEZs. Who this helps: This helps residents of cities with low-emission zones, especially those in low-income neighborhoods.

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Researchers studied a group of compounds called spiroindolines to find new treatments for malaria. They discovered one specific compound that was effective against both regular and drug-resistant malaria strains and had better performance than previous compounds tested. This finding is important because it offers a promising new lead for developing effective malaria treatments. Who this helps: This helps malaria patients and healthcare providers seeking better treatment options.

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This study looked at military veterans suffering from chronic multi-symptom illness (CMI) and whether reactivation of herpesviruses and an inadequate immune response might be contributing factors. Researchers found that a high percentage of these veterans (55% to 83%) had antibodies linked to herpesviruses compared to only 5% to 7% in healthy individuals, indicating a possible connection. The findings also revealed differences in immune response, with certain immune markers indicating dysfunction in these veterans, which could help identify those who need better treatment options. Who this helps: This research benefits veterans experiencing chronic illnesses, as it may lead to improved diagnostics and therapies.

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This study looked at how exposure to certain harmful chemicals known as PFAS affects hormone levels and puberty development in teenagers living near a 3M factory in Antwerp. Researchers found that higher levels of some PFAS chemicals were linked to lower levels of hormones like testosterone in boys and delays in physical development during puberty for both boys and girls, with significant changes noted particularly with hormones related to growth and sexual development. These findings are important because they highlight potential health risks associated with environmental contamination from industrial sites. Who this helps: This helps adolescents living near industrial areas, their families, and healthcare providers.

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This study looked at a scoring system created to predict where patients with serious injuries would go after leaving the hospital. Researchers assessed data from 459 trauma patients and found that those scoring between 8 and 14 had a 47.22% chance of being discharged to a facility, while those scoring 15 or higher had an 11.07 times greater likelihood of going to a facility compared to those scoring 7 or lower. This is important because it can help hospitals plan better and possibly speed up the process of getting patients the care they need after their hospital stay. Who this helps: This helps hospitals and healthcare providers better manage patient discharges.

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This study focused on improving photoacoustic tomography, an imaging technique that uses sound waves to visualize tissues in the body. Researchers found that they could accurately reconstruct both the pressure and speed of sound in the target tissue at the same time, which helps reduce errors in images. By using multiple data sets from different pressure conditions, they achieved clearer images, showing improvements in distinguishing tissue differences and reducing false signals. Who this helps: This benefits doctors and medical professionals who rely on accurate imaging for diagnosing and treating conditions.

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This study looked at 71 patients with a rare type of tumor called composite gangliocytoma/neuroma and neuroendocrine tumor (CoGNET) to identify features and risk factors linked to the spread of the cancer. Researchers found that about 10% of these cases had cancer that had spread to nearby lymph nodes. Key risk factors for this spread included older age, larger tumor size, and specific invasion characteristics, which can help doctors better assess and treat their patients. Who this helps: This information benefits doctors and patients dealing with this type of tumor.

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This study looked at how being exposed to a mixture of chemicals before birth affects babies' birth weights and hormones. Researchers analyzed data from 432 newborns and found that exposure to a specific chemical called PCB 180 was linked to lower birth weights, as well as changes in hormones like leptin and insulin. These findings are important because they highlight how prenatal chemical exposure can impact the health of newborns and emphasize the role hormones play in this relationship. Who this helps: This helps expectant mothers and healthcare providers understand the risks of chemical exposure during pregnancy.

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This study looked at a rare case of bladder cancer that included two different types of tumors, Lymphoepithelioma-like and Plasmacytoid urothelial carcinoma, along with prostate cancer, in a 54-year-old man who had been a heavy smoker. The patient received immunotherapy and has been free of disease for three years after treatment. Understanding these tumor types helps doctors choose the right treatments to improve patient outcomes. Who this helps: This benefits patients diagnosed with rare types of bladder cancer and their doctors.

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This study focused on improving how we identify and classify signals in the brain called cortico-cortical evoked potentials (CCEPs), which are important for mapping brain networks. Researchers developed a new tool using artificial intelligence that could identify two specific signals (N1 and N2) with high accuracy, achieving an impressive detection rate of 92.8%. This is crucial because current methods are often inconsistent and can miss important details about how the brain connects, which can affect treatment options for patients with epilepsy. Who this helps: This helps patients with epilepsy and the doctors who treat them.

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This research focused on how mature mammals regenerate sensory hair cells, which are essential for hearing and balance. The study found that while some regeneration happens in mammals, it is very limited and primarily occurs in the first days after birth, with no significant recovery of function. The researchers explored potential methods to encourage new hair cell formation in adult mammals and highlighted the challenges ahead to improve hearing and balance in these individuals. Who this helps: This benefits patients with hearing loss and balance issues, as well as doctors seeking treatment options.

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This study looked at how ultrasound can raise temperatures in tissues, which is important for understanding its effects on patients during treatment. The researchers found that using simulations alongside actual measurements, the temperature increase from ultrasound ranged from 4.4°C to 16.4°C, with very small differences (between -1.9% and 6.7%) between what was predicted and what was measured. This is crucial because ensuring accuracy in these temperature assessments helps improve the safety and effectiveness of ultrasound treatments. Who this helps: Patients undergoing ultrasound therapy and the doctors who treat them.

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This study looked at the increasing rates of colorectal cancer in people under 50 years old in New Zealand. Researchers found that many cases are diagnosed late and current screening programs mainly target older adults, which is leading to delays in diagnosis. To address this, they recommend training more nurse endoscopists to perform flexible sigmoidoscopy, which can help lower cancer rates without overloading existing services. Who this helps: This helps young patients at risk for colorectal cancer by improving access to timely screenings and diagnoses.

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This study looked at uveal melanoma, the most common type of eye cancer, which can be deadly for some patients. Researchers found that in tumors with a specific genetic marker (BAP1-negative), immune system activity was lower, making it harder for the body to fight the cancer. The study identified potential new targets for treatment, including specific proteins and immune functions, which could help develop better therapies for high-risk patients. Who this helps: Patients with high-risk uveal melanoma.

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This study looked at the reasons why some people die after getting liver transplants in British Columbia from 2013 to 2023. It found that cancer was the biggest cause of death, accounting for 24.8% of cases, and that younger patients tended to live longer after the transplant. The one-year survival rate was highest for those who died from cancer (94.9%) and lowest for those who died from infections (73.5%). These findings matter because they highlight the need for better monitoring and treatment strategies for patients after a liver transplant to improve their chances of long-term survival. Who this helps: This helps patients who have received a liver transplant and their doctors.

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This study looked at different methods for creating models that analyze brain activity in patients with epilepsy by using recordings from inside the skull. The researchers found that some methods improved the accuracy of the brain signal reconstructions by reducing errors when generating the data; specifically, they were able to reduce diverging reconstructions in their models significantly. This is important because better models can help doctors accurately locate the area in the brain where seizures start, leading to improved treatment for patients with drug-resistant epilepsy. Who this helps: Patients with drug-resistant epilepsy.

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This study looked for new particles that might exist alongside the Higgs boson by analyzing collisions of protons in a particle accelerator at a high energy level of 13 trillion electron volts. Researchers used advanced computer techniques to examine events where two gamma rays were produced together and found no signs of the predicted new particles. They were able to set limits on how often these particles could be produced, stating that for one of the particles, X, if it exists, its mass could range between 300 and 3000 GeV. Who this helps: This research benefits physicists studying fundamental particles and their interactions.

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This study looked at how the production of B+ mesons, a type of particle, is affected when protons collide with lead atoms at high energy. Researchers found that the number of B+ mesons produced stayed consistent across different levels of charged particles, meaning there were no significant changes in their production related to nuclear effects. This consistency helps scientists understand the role of nuclear environments in particle production, which is important for studying the fundamental interactions of matter. Who this helps: This benefits researchers in particle physics and helps advance our understanding of nuclear interactions.

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This study looked for rare particles that have charges less than a single electron charge in high-energy collisions between protons at a particle accelerator. Researchers analyzed data from over 138 million collisions and found no evidence of these fractionally charged particles, ruling out the existence of these particles with masses up to 640 billion electron volts and charges as low as one-third of an electron charge. This is important because finding such particles could change our understanding of fundamental physics. Who this helps: This helps physicists and researchers in the field of particle physics.

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This study looked at how Canadian liver transplant centers manage the prevention of hepatitis B virus (HBV) after a liver transplant. It found that all participating centers use a combination of hepatitis B immunoglobulin (HBIG) and antiviral medications, with HBIG typically given for 6 months to 1 year. However, there are notable differences in how long HBIG is used and how centers manage cases where the virus comes back, indicating a need for clearer guidelines to improve care. Who this helps: This helps patients who have had a liver transplant and are at risk for hepatitis B.

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This study looked at how machine-learning techniques can improve the way particle collisions are simulated and analyzed at the Large Hadron Collider (LHC). The researchers found that using machine learning to adjust existing simulations allows them to create more accurate models without having to run multiple costly simulations. This method is especially useful for accurately modeling complex events, like the production of top quark pairs, and will help improve measurements in future experiments. Who this helps: This benefits physicists and researchers working on particle physics experiments.

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This research looked for a heavy particle called the Z' boson, which may interact differently with other particles, specifically tau leptons and W bosons. Using data from particle collisions at the Large Hadron Collider, the researchers found no evidence of the Z' boson existing in mass ranges up to 2.45 TeV for tau decay and 1.60 TeV for W boson decay. This matters because it helps scientists refine their understanding of particle physics and the forces that govern how particles interact. Who this helps: This helps researchers and physicists studying fundamental particles and forces.

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This study looked at how particles behave in two types of collisions: proton-lead (pPb) and lead-lead (PbPb). Researchers found that in both collisions, high-energy particles showed similar patterns of using a measurement called elliptic anisotropy, especially when they produced a lot of charged particles. Specifically, they observed significant positive values for this measurement when the transverse momentum (energy) was above 8 GeV, indicating that these similarities suggest something fundamental about how these particles interact. Who this helps: This benefits physicists studying particle collisions and their fundamental properties.

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This study looked at how often two W particles and one Z particle are produced when protons collide at high energies at the CERN facility. They found that the production rates were about 75% of what scientists expected at 13 TeV, and 174% at 13.6 TeV, marking the first time they've been able to measure these processes separately. This research is important because it provides new insights into how these fundamental particles interact, which can enhance our understanding of the universe. Who this helps: This helps physicists and researchers studying particle physics.

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This study looked at a type of particle called charmonia, which consists of charm and anticharm quarks, to better understand how particles are produced in high-energy collisions of protons and lead. Researchers found that the ratio of two kinds of charmonia states—the excited state and the ground state—varies based on how many charged particles are present in the collision. Specifically, they observed a significant change in this ratio in certain conditions, which helps improve our understanding of particle interactions and production processes in such high-energy settings. Who this helps: This benefits researchers in particle physics and could improve methods for studying fundamental particles.

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This study investigated how gluons, which are particles that help hold protons and neutrons together, behave in heavy atomic nuclei during high-energy collisions. Researchers measured these gluons' properties in lead-lead (PbPb) collisions at a very high energy level of 5.02 TeV, discovering that at lower fractions of momentum, the reactions showed greater suppression than expected. These findings matter because they enhance our understanding of how gluons interact in dense matter, which can inform theories about nuclear physics and the structure of matter itself. Who this helps: This helps physicists and researchers studying the fundamental forces of nature.

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This study looked at how certain particles, called hyperons, are polarized (or aligned) in proton-lead collisions at a very high energy of 8.16 TeV. Researchers found that the degree of polarization changed based on the number of charged particles produced in the collision; specifically, polarization decreased as more charged particles were produced but increased when looking at higher momentum particles. These findings challenge existing theories about how spin polarization works in such high-energy collisions and provide new information about the underlying physics involved. Who this helps: This helps physicists and researchers studying particle interactions and the fundamental forces of nature.

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This study examined the patterns of jet production in events where multiple particles (leptons) are produced during high-energy collisions of protons. After analyzing a large amount of data from these collisions, the researchers found that the patterns matched what is expected from existing theories, showing no significant signs of new physics or unexpected jet production. Specifically, they looked at events with one, two, and four leptons and found no unusual increases in jet counts, which is important for understanding potential new particles predicted by theories beyond the current model. Who this helps: This helps researchers and physicists in their efforts to discover new particles and understand fundamental forces.

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This particle physics search for the rare decay of a D0 meson into two muons used 64.5 inverse femtobarns of proton-proton collision data from the CMS detector at the Large Hadron Collider. No significant signal was found, and the upper limit on the decay rate was set at 2.4 × 10^-9 — the tightest constraint ever placed on any flavor-changing neutral current decay in the charm quark sector. This result sets an important benchmark for testing extensions to the Standard Model of particle physics.

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This particle physics study reports the first observation of coherent phi(1020) meson photoproduction from heavy nuclei, using data from ultraperipheral lead-lead collisions at the Large Hadron Collider's CMS detector. The measured production cross section was about five times lower than a model treating the nucleus as a collection of free nucleons, consistent with nuclear shadowing effects that suppress gluon density in nuclei at low momentum fractions. The result provides a new tool for probing the internal gluonic structure of heavy nuclei at an energy scale bridging two regimes of quantum chromodynamics.

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This study looked at a patient who experienced severe rejection of a liver transplant 22 years after the surgery. Despite having a history of managing her liver transplant with minimal medication, the patient’s liver function worsened after changes in her medication due to other health issues, leading to a severe rejection of the transplanted liver. This highlights that transplant rejection can happen even many years later and should always be examined when there are changes in liver health. Who this helps: This information benefits doctors and long-term liver transplant patients by reminding them to monitor for rejection symptoms even after many years.