The European Space Agency-led Solar Orbiter mission has split the flood of energetic particles flung out into space from the Sun into two groups, tracing each back to a different kind of outburst from our star. The Sun is the most energetic particle accelerator in the Solar System. It whips up electrons to nearly the speed of light and flings them out into space, flooding the Solar System with so-called ‘Solar Energetic Electrons’ (SEEs). Researchers have now used Solar Orbiter to pinpoint the source of these energetic electrons and trace what we see out in space back to what’s actually ...

NAGOYA, Japan — In late September 2025, KIOXIA Iwate Corporation (Koichiro Shibayama CEO) will begin evaluating a GaN-based e-beam technology developed through joint research between Photo electron Soul Inc. (PeS; Takayuki Suzuki CEO), a Nagoya University startup, and the Amano–Honda Laboratory at Nagoya University. PeS has developed a next-generation electron gun specialized for GaN (gallium nitride) photocathodes and has demonstrated its effectiveness for semiconductor inspection and metrology (I&M), enabling electron microscopy of nanoscale transistors and high-aspect-ratio structures. These ...

by Prof Heidi Newberg The Earth supports the only known life in the universe, all of it depending heavily on the presence of liquid water to facilitate chemical reactions. While single-celled life has existed almost as long as the Earth itself, it took roughly three billion years for multicellular life to form. Human life has existed for less than one 10 thousandth of the age of the Earth. All of this suggests that life might be common on planets that support liquid water, but it might be uncommon to find life that studies the universe and seeks to travel ...

The widely used diabetes drug metformin changes blood metal levels in humans. The Kobe University study is an important step in understanding the drug’s many actions and designing better ones in the future. Metformin is the most widely prescribed diabetes drug in the world. Apart from lowering blood sugar levels, it is also known to have a broad range of beneficial side effects such as against tumors, inflammations and atherosclerosis. However, although it has been used for more than 60 years ...

About The Study: Among patients without documented atrial arrhythmia recurrence after catheter ablation for atrial fibrillation, discontinuing oral anticoagulant therapy resulted in a lower risk for the composite outcome of stroke, systemic embolism, and major bleeding vs continuing direct oral anticoagulant therapy.  Corresponding Author: To contact the corresponding author, Boyoung Joung, MD, email cby6908@yuhs.ac. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s Note: Please see the article for additional information, including other authors, author contributions and ...

About The Study: Fractional flow reserve-guided complete revascularization during the index procedure resulted in a significant reduction in the composite of all-cause death, nonfatal myocardial infarction, any revascularization, and stroke at 1 year. This was mainly driven by reduced repeat revascularization.  Corresponding Author: To contact the corresponding author, Tobias F. S. Pustjens, MD, email t.pustjens@gmail.com. To access the embargoed study: Visit our For The Media website at this link ...

About The Study: The findings of this study highlight both progress and persistent challenges in representation of women within cardiovascular trials. These gaps not only limit the generalizability of trial outcomes but also perpetuate inequities in evidence-based care for women with cardiovascular conditions.  Corresponding Author: To contact the corresponding author, Martha Gulati, MD, MS, email martha.gulati@csmc.edu. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s Note: Please see the article for ...

About The Study: In patients with cardiometabolic heart failure with preserved ejection fraction, semaglutide and tirzepatide showed more than 40% risk reduction for the composite of hospitalization for heart failure or all-cause mortality compared with a placebo proxy. Tirzepatide showed no meaningful benefit over semaglutide. Corresponding Author: To contact the corresponding author, Nils Krüger, MD, email nkruger1@bwh.harvard.edu. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s Note: Please ...

Heart failure with preserved ejection fraction (HFpEF) appears to develop as a result of changes in the biology of a person’s internal fat tissue, according to the Adipokine Hypothesis, a new way of understanding how fat may impact the heart. The hypothesis paper was published today in JACC, the flagship journal of the American College of Cardiology, and is being presented at ESC Congress 2025. The author of the paper is Milton Packer, MD, FACC, Distinguished Scholar in Cardiovascular Science at Baylor University Medical Center at Dallas and Visiting Professor at Imperial College in London. “Up ...

About The Study: In this individual participant data meta-analysis of 4 randomized clinical trials (RCTs), and an overall meta-analysis of 8 RCTs of patients with severe symptomatic aortic stenosis at low to intermediate risk, transcatheter aortic valve implantation (TAVI) was associated with a reduction in the 1-year incidence of all-cause death or any stroke. These findings emphasize TAVI as alternative option in patients at low to intermediate risk. Long-term follow-up is warranted to evaluate sustainability of these findings. Corresponding Authors: To contact the corresponding authors, email Moritz Seiffert, MD, (moritz.seiffert@bergmannsheil.de) and ...

A new treatment has been shown to significantly lower blood pressure in people whose levels stay dangerously high, despite taking several existing medicines, according to the results of a Phase III clinical trial led by a UCL Professor. Globally around 1.3 billion people have high blood pressure (hypertension), and in around half of cases the condition is uncontrolled or treatment resistant. These individuals face a much greater risk of heart attack, stroke, kidney disease, and early death. In the UK the number of people with hypertension is around 14 ...

One shot of an RSV vaccine protects adults ages 60 or older from RSV-associated hospitalization and critical illness during two consecutive RSV seasons, according to a study published in JAMA today by the IVY Network research group. RSV causes substantial seasonal illness during fall and winter in the U.S., with an estimated 100,000-150,000 hospitalizations and 4,000-8,000 deaths occurring annually among adults 60 or older. The results reinforce the recommendations for RSV vaccines in older adults and lay the groundwork for understanding how long a single dose of the vaccine may be effective, ...

About The Study: In adults age 60 or older, all-cause cardiorespiratory hospitalization was significantly lower with respiratory syncytial virus (RSV) prefusion F protein than with no vaccine. The findings suggest potential downstream cardiorespiratory benefits of RSV immunization, although the effect on all-cause cardiovascular hospitalization was not statistically significant.  Corresponding Author: To contact the corresponding author, Tor Biering-Sørensen, MD, MSc, MPH, PhD, email tor.biering@gmail.com.  To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s ...

About The Study: In this study, clonal hematopoiesis of indeterminate potential (CHIP) was a strong risk factor for myocarditis and pericarditis among middle-aged adults. Targeting CHIP and its downstream pathways may represent a strategy for preventing or treating pericarditis and myocarditis. Corresponding Author: To contact the corresponding author, Michael C. Honigberg, MD, MPP, email mhonigberg@mgh.harvard.edu. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s Note: Please see the article for additional information, including other authors, author contributions ...

About The Study: In this prespecified analysis of the DANFLU-2 trial, the risk of incident myocarditis or pericarditis was lower among individuals randomized to high-dose inactivated influenza vaccine vs standard-dose- inactivated influenza vaccine. Despite sporadic reports of myocarditis and pericarditis associated with influenza vaccination, the consistency of our results with vs without inclusion of events occurring immediately after vaccination negates a dose-response association and a causal link. Corresponding Author: To ...

About The Study: This study found reduced incidence of cardiorespiratory hospitalization among those who received high-dose inactivated influenza vaccine vs standard-dose inactivated influenza vaccine, driven by a lower incidence of cardiovascular hospitalizations, and particularly heart failure hospitalizations. These differences should be interpreted as exploratory findings in the setting of a large randomized clinical trial with a neutral primary outcome. Corresponding Author: To contact the corresponding author, Tor Biering-Sørensen, ...

About The Study: This situational analysis of cross-sectional WHO STEPS surveys of cardiovascular health (CVH) status region identified actionable factors of the CVH status across 22 countries in the WHO African Region. This information is crucial for guiding policy efforts in cardiovascular disease prevention in countries of the WHO African Region. Corresponding Author: To contact the corresponding author, Jean-Philippe Empana, MD, PhD, email jean-philippe.empana@inserm.fr. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s Note: Please see the article for additional information, including ...

A major new analysis from REBOOT (Treatment with Beta-blockers after Myocardial Infarction without Reduced Ejection Fraction) clinical trial, an international study coordinated by the Centro Nacional de Investigaciones Cardiovasculares (CNIC), published at the European Heart Journal has revealed important sex-specific differences in the effects of beta-blockers following heart attacks, raising questions about long-standing treatment practices. REBOOT, presented in a Hotline session of the ESC congress in Madrid, ...

Madrid, August 30, 2025. An international clinical trial coordinated by the Centro Nacional de Investigaciones Cardiovasculares (CNIC), in collaboration with the Mario Negri Institute for Pharmacological Research in Milan, has found that beta-blockers—drugs commonly prescribed for a range of cardiac conditions—offer no clinical benefit for patients who have had an uncomplicated myocardial infarction (i.e., without deterioration of the heart function after the event). The findings—published in two articles in The New England Journal of Medicine and The Lancet and presented today during a “Hot Line” ...

About The Study: Randomization systolic blood pressure (SBP) was associated with the survival benefit of microaxial flow pump treatment, with the most hypotensive patients deriving the largest survival benefit. Early SBP may help identify patients most likely to gain a net benefit from microaxial flow pump treatment. Findings are hypothesis generating. Corresponding Author: To contact the corresponding author, Astrid Duus Mikkelsen, MD, email astrid.duus.mikkelsen@reigonh.dk. To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/ Editor’s Note: Please see the article for additional information, including ...

Beta blockers—drugs commonly prescribed for a range of cardiac conditions, including heart attacks—provide no clinical benefit for patients who have had an uncomplicated myocardial infarction with preserved heart function. Beta blockers have been the standard treatment for these patients for 40 years. This is a breakthrough discovery from the “REBOOT Trial” with senior investigator Valentin Fuster, MD, PhD, President of Mount Sinai Fuster Heart Hospital and General Director of Spain’s Centro Nacional de Investigaciones Cardiovasculares ...

Glaciers across High Mountain Asia are losing more than 22 gigatons of ice per year—the equivalent to nearly 9 million Olympic swimming pools, according to research from the University of Utah and Virginia Tech. The impact of a warming climate on glacial loss is undisputed—this new study provides the first evidence that seasonal shifts in rainfall and snowfall patterns, particularly of the South Asian monsoons, are also exacerbating glacier melting across the region. “These findings highlight that glaciers dominated by the South Asian monsoons, such as the Central Himalaya, ...

LA JOLLA (August 29, 2025)—A plant’s number one priority is to grow—a feat that demands sunlight, nutrients, and water. If just one of these three inputs is missing, like water in a drought, growth halts. You might then think that at the end of that drought, the plant would jump right back into growing. Instead, its priorities shift. Salk plant biologists used advanced single-cell and spatial transcriptomic techniques to look closely at how a small, flowering plant called Arabidopsis thaliana recovers after drought. They discovered that immunity became the plant’s number one priority during this ...

The stereotypical employee may be at a desk in front of a computer screen working a nine-to-five, but for many employees, the work day is filled with manual labor, hazardous environments and late-night shifts. Your local garbage collector, for example, is someone with a job that society might consider “dirty,” both literally and socially. Scott Dust, PhD, professor in the management department at the University of Cincinnati Carl H. Lindner College of Business, worked with doctoral candidates Sodiq Babatunde and Ben Fagan to analyze the impact of stress and ...

Picture this: You’re stuck in traffic on a summer afternoon, checking the weather app on your phone as dark storm clouds roll in. You might think about power outages or possible flooding, but you probably don’t think about how every lightning bolt that flashes across the sky also emits a gas, nitrogen oxide (NO), that is also emitted in the exhaust from your car’s engine. Yet, that’s exactly what occurs during a thunderstorm. For the first time, scientists from the University of Maryland were able to detect lightning and its impact on air quality using high-frequency ...