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Science News for March 30, 2025


People with heart failure can safely drink fluids without restrictions

A large-scale study found that limiting fluid intake in patients with stable heart failure has no health benefits and may even cause increased thirst. Conversely, drinking more fluids without restriction did not lead to any negative outcomes, suggesting that fluid restrictions are unnecessary for these patients.

SourceRadboud University Medical Center·JournalNature Medicine·TypeRandomized controlled/clinical trial·DateMar 30, 2025

Robust domain adaptation with noisy and shifted label distribution

A new approach, Robust Self-training with Label Refinement (RSLR), tackles the challenges of noisy labels in source domains. RSLR uses a Labeling Network to refine pseudo-labels for target samples, improving performance on extensive benchmark datasets.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateMar 30, 2025

Hepatorenoprotective effects of Lepidium draba L. extracts against cyclophosphamide-induced oxidative injuries in rats via reducing apoptosis and inflammation

This study investigates the hepatorenoprotective effects of Lepidium draba L. extracts against cyclophosphamide-induced oxidative injuries in rats. The results show that the extract reduces apoptosis and inflammation, while increasing antioxidant activities.

SourceHigher Education Press·JournalAsian Pacific Journal of Tropical Biomedicine·TypeExperimental study·DateMar 30, 2025
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Minimally invasive valve repair reduces heart failure hospitalizations in patients with severe tricuspid regurgitation

A minimally invasive procedure using a clip to repair the tricuspid valve significantly reduced symptom severity and decreased recurrent hospitalization for heart failure. The study found a 28% reduction in hospitalizations at two years, with improved safety and effectiveness compared to medical therapy alone.

SourceAmerican College of Cardiology·JournalCirculation·DateMar 30, 2025

Clopidogrel outperforms aspirin monotherapy following PCI

A new study has found that clopidogrel outperforms aspirin monotherapy in reducing heart attack rates without increasing bleeding risk in high-risk patients following percutaneous coronary intervention (PCI). Researchers observed a significant reduction in ischemic endpoints, primarily driven by a decrease in heart attacks.

SourceAmerican College of Cardiology·JournalThe Lancet·DateMar 30, 2025

Survival of athletes after sudden cardiac arrest varies by race

A new study found that survival rates for athletes suffering sudden cardiac arrest vary significantly by race, with 57% of Black athletes and 54% of other race athletes dying between 2014-2023. Improved emergency preparedness likely played a role in increased survival rates.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateMar 30, 2025
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Intravenous iron offers some benefits for some patients with heart failure

A study found that intravenous iron supplementation resulted in a 20% lower risk of cardiovascular death or first heart failure hospitalization, as well as improved symptoms and quality of life. The benefits were most pronounced in the first year after treatment, suggesting a meaningful association between iron dosage and outcomes.

SourceAmerican College of Cardiology·DateMar 30, 2025

In triple-vessel disease, CABG, PCI not significantly different at five years

Patients with severe triple-vessel heart disease showed no significant difference in outcomes between CABG and PCI at five years. The FAME-3 trial enrolled 1,500 patients with triple-vessel disease and found that both procedures performed similarly well, considering recent advances in surgical and minimally invasive techniques.

SourceAmerican College of Cardiology·JournalThe Lancet·DateMar 30, 2025

PBcounter: Weighted model counting on pseudo-Boolean formulas

Researchers have developed a new solver, PBCounter, that can efficiently count weighted models on pseudo-Boolean (PB) formulas. The algorithm uses dynamic programming and Algebraic Decision Diagrams to solve the problem. Experiments show that PBCounter outperforms existing solvers on CNF formulas.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateMar 30, 2025
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Pulse oximeter performance varies by skin pigment

A study found that pulse oximeter readings underestimated blood oxygen levels in patients with dark skin pigment, but also showed a positive bias in 20% of observations. The results suggest that future devices could be designed to indicate uncertainty and improve accuracy across different skin pigmentation categories

SourceAmerican College of Cardiology·DateMar 30, 2025

Conformal radiation-type programmable metasurface for agile millimeter-wave OAM generation

Researchers developed a conformal programmable metasurface that generates Orbital Angular Momentum (OAM) waves at millimeter-wave frequencies without external spatial excitation. The design mitigates feed leakage radiation and realizes low-profile configuration, enabling next-generation wireless communication and space-based applications.

SourceResearch·JournalResearch·TypeNews article·DateMar 30, 2025
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Home-based heart failure program: A win for some, but no drop in readmissions

A new mobile integrated health program delivered in-home visits from paramedic teams to people with heart failure did not significantly reduce hospital readmissions or improve health status compared to standard follow-up phone calls. However, the study found that women and younger patients may benefit more from this intervention.

SourceAmerican College of Cardiology·DateMar 30, 2025
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Preventable cardiac deaths during marathons are down, Emory study finds

The rate of cardiac arrests during marathons has remained unchanged, but the chance for survival is twice what it was in the past. The decline in preventable cardiac deaths can be attributed to increased awareness of the risks and availability of emergency services and defibrillators.

SourceEmory Health Sciences·JournalJAMA·TypeObservational study·DateMar 30, 2025
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.