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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

The definitive beta-blocker for heart failure?

A study published in The Lancet found that carvedilol significantly reduces mortality and improves average life-expectancy by eight years compared to metoprolol. Additionally, carvedilol shows promise in improving ventricular function for patients with heart failure due to coronary artery disease.

Heart failure patients have lower death rates under cardiologists’ care

A recent study found that heart failure patients cared for by cardiologists had significantly lower one-year death rates compared to those treated by other types of physicians. The study analyzed data from 38,702 Canadian patients and found that cardiologist-managed patients had a mortality rate of 28.5%, compared to 31.7% for general ...

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.

Combined therapies benefit heart failure patients

Researchers found that patients with combined devices showed significant improvements in quality of life, physical functioning, and exercise capacity compared to those without the devices. The study's findings have implications for treating heart failure, a disease with a five-year mortality rate of 50 percent after diagnosis.

Duke heads $37 million trial of exercise for heart failure

A large-scale prospective trial will determine whether exercise can reduce mortality for patients with heart failure or any other disease. The study, led by Duke University, aims to find out if exercise has an effect on reducing hospitalizations among heart failure patients.

Nitric oxide-like drug could revive a failing heart

Researchers at Johns Hopkins discovered a compound that doubles the hearts' ability to contract and relax, stimulating the release of calcitonin gene-related peptide. This improvement is particularly notable in failing hearts, without any reported toxicity.

Apple iPhone 17 Pro

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

Scientists identify same gene in mice, humans leading to heart failure

A team of researchers has identified a genetic mutation in phospholamban that disrupts calcium regulation in the heart, leading to dilated cardiomyopathy and heart failure. The discovery provides new insights into the mechanisms underlying heart failure and holds promise for future treatments.

Mutant protein linked to heart failure

Researchers found a mutant protein, phospholamban (PLN), that disrupts calcium signaling in heart muscle cells, leading to contractile dysfunction and heart failure. The study provides insight into the fundamental signals that tip a diseased heart into failure.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Researchers pinpoint cause of inherited form of heart failure

Researchers have pinpointed a genetic defect in the phospholamban protein as the cause of inherited dilated cardiomyopathy. The discovery may lead to targeted treatment for this disorder, which affects 4.7 million Americans and costs $17.8 billion annually.

Pacemaker therapy halves heart failure deaths

A meta-analysis of randomized clinical trials found that pacemaker therapy reduced death from progressive heart failure by 51% and hospitalizations by 29%. The device range in cost $20,000 to $50,000 and improves quality of life for heart failure patients.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Heart devices, transplants have similar costs; what will we pay?

A landmark study found that left-ventricular assist devices (LVADs) for heart failure patients cost $196,699, similar to liver transplantation ($250,000). The device has been shown to significantly improve survival and quality of life. Improving management of these critically ill patients could reduce costs.

Study: Heart-assist device yields excellent survival

A six-year study of 100 heart failure patients who received the HeartMate device at Michigan Medicine found excellent one-year survival rates and improved hospital stays. Eighty-two percent of patients were able to go home, and problems with the device have decreased as doctors gain experience.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Study describes second kind of heart failure

A new study by Wake Forest University School of Medicine has confirmed the existence of diastolic heart failure, a condition that affects older adults' quality of life and exercise capacity. People with this condition experience severely reduced physical ability and increased neuroendocrine activity.

Evidence supports two types of heart failure

Researchers found that patients with diastolic heart failure have severely reduced exercise capacity and quality of life, similar to those with classic congestive heart failure. The study supports the existence of a second type of heart failure, highlighting the need for intensive research and treatment development.

Study shows first progress in heart-failure survival

A recent study from the Framingham Heart Study has shown a small but significant improvement in heart-failure survival rates since the 1990s. This increase is attributed to the widespread adoption of proven-effective medications such as beta-blockers, ACE inhibitors, and aldosterone antagonists. The findings suggest that treating patie...

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

NHLBI study finds improved heart failure survival

A new NHLBI study has found improved heart failure survival rates, with deaths decreasing by 12% per decade for both men and women. The study, which analyzed data from 10,317 participants over 50 years, also revealed a significant drop in new cases of heart failure among women during the same period.

Heart failure mortality substantial among elderly

A large study of older adults with heart failure found that those with diastolic heart failure had significantly higher mortality rates than those with systolic heart failure. Diastolic heart failure, which affects the heart's main chamber filling with blood, has a much higher prevalence among elderly patients and is responsible for mo...

New therapy for heart failure?

Researchers are exploring a new stem cell therapy, called therapeutic angiogenesis, to grow new blood vessels in damaged heart muscle. The treatment, which uses cord blood stem cells, aims to improve outcomes for people with severe coronary artery disease and congestive heart failure.

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.

Dual action drug fights heart failure

Researchers found omapatrilat to be effective in treating heart failure, with some indications of superiority over standard ACE inhibitors. Patients with both hypertension and heart failure showed the greatest benefit from omapatrilat.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Research suggests diabetes drug being prescribed even when contraindicated

A University of North Carolina at Chapel Hill study found that nearly one in four metformin prescriptions were given to patients with contraindications. The study suggests that providers may not be adequately documenting the risks of lactic acidosis and should consider counseling patients on metformin use.

Smaller aneurysms best left alone

A new study suggests that smaller aneurysms are often safer left untreated, with potential benefits including reduced risk of complications and cost savings. The research found nearly 98% survival rate among patients undergoing AAA surgery at participating VA hospitals.

New hope for treating or avoiding heart failure after cancer drugs

Researchers found that elevated troponin I levels may predict future heart failure in cancer patients, even if the heart appears to be functioning normally. ACE inhibitors have shown promise in restoring cardiac function and preventing cardiotoxicity in breast cancer patients treated with anthracyclines.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Blood test for heart failure scores big in new study

A new blood test, Triage BNP Test, has been shown to accurately diagnose congestive heart failure (CHF) with a high accuracy rate of nearly 90% in a multinational trial. The test detects elevated levels of the hormone B-type natriuretic peptide (BNP), which signals a failing heart.

A few drinks a day do no harm to the alcoholic heart

Researchers at Jefferson Medical College and University of Barcelona found that moderate drinking from one to four drinks a day improved heart function in men with alcohol-related heart failure. The study suggests a threshold drinking level for alcohol-related heart damage, below which there is no harm.

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

Annals of Internal Medicine tip sheet Feb. 5, 2002

A large study of men's health habits found that a prudent diet significantly reduces the risk of developing type 2 diabetes. The study indicates that avoiding weight gain and eating a balanced diet may substantially reduce this risk, highlighting the importance of a healthy lifestyle in preventing the disease.

Hormone can predict future congestive heart failure

Researchers tested BNP levels in 325 patients with dyspnea, finding those with high levels had a 51% chance of developing congestive heart failure or dying within six months. The study supports the use of BNP testing as a tool for diagnosing patients at risk of congestive heart failure.

Depression raises heart failure rate in elderly women

Elderly women with depression are nearly twice as likely to develop heart failure over a 14-year period. Depression also increases the risk of physical illnesses like hypertension and diabetes that contribute to heart disease.

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.

Study links cognitive impairment and heart failure in elderly patients

A recent study found a significant association between low systolic blood pressure levels (below 130) and cognitive impairment in older patients with heart failure. The researchers suggest that routine management of heart failure should include assessment of cognitive performance to detect early signs of cognitive dysfunction.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Acupuncture calms nerves, improves heart function

Acupuncture was found to significantly reduce sympathetic nerve activity in critically ill chronic heart failure patients, but blood pressure and heart rate remained unaffected. Further study is needed to confirm the treatment's effectiveness and potential benefits for patients with severe heart failure.

Hour of heart failure death different for men and women

Research studied deaths of 508 patients with terminal heart failure, finding that men were most likely to die near dawn, while women were at highest risk in the early morning. The study suggests hormonal patterns and daily biological ebb and flow may contribute to these findings.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Gout drug could offer hope for heart failure patients

Researchers at Johns Hopkins Medicine found that allopurinol, a medication commonly used to treat gout, can improve heart muscle efficiency and reduce energy consumption in patients with congestive heart failure. The study showed a 20% reduction in energy consumption without affecting contraction strength.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.