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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

New finding may help explain development of preeclampsia

A study of pregnant women with preeclampsia found elevated levels of a peptide that raises blood pressure, potentially explaining its development. The researchers hope the findings may lead to treatment for preeclampsia by targeting specific tissues.

High blood pressure pill cuts risk of Parkinson's disease

A study of 7,374 participants found that those taking calcium channel blockers for high blood pressure had a lower risk of developing Parkinson's disease. The medication was shown to cut the risk by 23% compared to non-users, but not other high blood pressure medications.

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.

Research shows a daily does of beetroot juice can beat high blood pressure

A daily dose of beetroot juice can significantly reduce blood pressure, according to a study published in the American Heart Association journal Hypertension. The research reveals that dietary nitrate, found in beetroot juice, leads to decreased blood pressure by converting into nitrite and then nitric oxide.

Gene variations associated with effectiveness of blood pressure medications

A new study has discovered a link between gene variations and the effectiveness of blood pressure medications. Patients with certain gene variations experienced varying results with different types of medication, suggesting that tailoring treatment to an individual's genotype may lead to more favorable outcomes.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

FDA approves Bystolic, a novel beta blocker

Bystolic is a once-daily medication that can be used as monotherapy or in combination with other treatments to reduce blood pressure. It selectively blocks the effects of adrenaline at the heart and vasodilates blood vessels, offering a low incidence of traditional beta blocker side effects.

Apple iPhone 17 Pro

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

High blood pressure associated with risk for mild cognitive impairment

Research findings suggest a significant association between high blood pressure and the development of mild cognitive impairment. Approximately 9.9 out of every 1,000 elderly individuals without dementia develop this condition yearly, with 10-12% progressing to Alzheimer's disease each year.

News briefs from the December issue of Chest

Researchers found that good continuous positive airway pressure (CPAP) treatment compliance significantly reduced blood pressure in patients with obstructive sleep apnea. Additionally, oral prednisolone was shown to be equally effective as intravenous administration for treating COPD exacerbations, with the latter being preferred due t...

High blood pressure may heighten effects of Alzheimer's disease

A new study found that hypertension significantly reduces cerebral blood flow in adults with Alzheimer's disease, increasing its vulnerability to the effects of the disease. Good vascular health is crucial for brain health, and detecting and treating hypertension can help prevent or slow cognitive decline.

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.

Granger wins Schmidt-Nielsen Mentor/Scientist Award

Granger received the award for his research on preeclampsia, a pregnancy-related disease affecting nearly 5-7 percent of U.S. pregnancies. He has also improved graduate education at the University of Mississippi Medical Center.

Mexico's expanded health insurance improves hypertension treatment

A recent study published in the British Medical Journal found that adults insured through Mexico's Seguro Popular program are more likely to receive antihypertensive treatment and have their blood pressure controlled than those without health insurance. Insured individuals had a 50% higher odds of receiving antihypertensive treatment, ...

NIH awards Mayo Clinic $11M for kidney disease research

Mayo Clinic researchers will study renal vascular disease caused by atherosclerosis to find new ways to diagnose and treat the condition. The study aims to develop novel imaging tools to predict, detect, and evaluate the disease, with the goal of preventing renal deterioration.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Early research suggests a shot could replace blood pressure meds

A new vaccine targeting angiotensin II has shown promising results in reducing blood pressure in a small study. The vaccine produced strong antibody responses and significantly lowered systolic and diastolic blood pressures in patients with mild-to-moderate high blood pressure.

Chronic kidney disease in the US appears to be increasing

The estimated prevalence of chronic kidney disease in US adults has increased from 10% to 13%, driven by rising diabetes and hypertension rates. The prevalence of earlier stages of CKD accounts for most individuals with the condition, highlighting the need for cardiovascular risk factor management.

Large VA study finds seasonal differences in blood pressure

A five-year study of electronic health records from 15 VA hospitals found significant variations in high blood pressure return-to-normal rates between winter and summer. The average difference was 7.76 percent, suggesting that seasonal factors such as weight gain and exercise may influence blood pressure.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Changing the way doctors treat high blood pressure

A simplified step-care protocol for treating high blood pressure was more effective than guidelines-based practice in helping people reduce their blood pressure. The Simplified Treatment Intervention to Control Hypertension (STITCH) trial found that 65% of patients reached the target blood pressure level with STITCH-care, compared to 5...

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.

Chicago scientist honored for trials documenting CVD burden

Dr. Paul K. Whelton has been awarded the American Heart Association's Population Research Prize for his pioneering work in documenting the burden of cardiovascular diseases. His research has provided vital data on hypertension and its impact on populations worldwide.

Asymptomatic peripheral artery disease prevalence is rising

Researchers found that PAD prevalence increased from 3.7% to 4.6% among asymptomatic adults aged 40-70 between 1999-2004. The study suggests a link between rising obesity, diabetes, hypertension, and smoking rates, emphasizing the importance of screening for PAD in asymptomatic patients.

No increase in cardiovascular risk for living kidney donors

A large-scale study has found no significant increase in cardiovascular risk for living kidney donors, but higher rates of high blood pressure were detected. The study analyzed data from 1,278 patients and compared them to 6,369 healthy adults.

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.

Study links hypertension in obese children to television viewing

A study published in the American Journal of Preventive Medicine found a positive correlation between TV time and the severity of obesity in children. The researchers determined that children watching more than 2 hours of TV per day were 2.5-3.3 times more likely to have hypertension compared to those watching less than 2 hours.

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.

Study examines ethnic differences in sleep quality and blood pressure

Researchers found that African-American college students reported poorer sleep quality, slept less time, and took longer to fall asleep compared to whites. These findings suggest that ethnic differences in sleep quality may be linked to higher blood pressure risk and 'blood pressure dipping',

New research about PAH

The REVEAL Registry aims to provide reliable information on PAH demographics, clinical course, and management. Researchers found that most patients experience a significant delay between symptom onset and diagnosis, with up to 3-year delays in some cases.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Combination therapy reverses effects of portal hypertension in rats

Researchers found that a combined treatment with rapamycin and Gleevec significantly reduced splanchnic neovascularization and portal pressure in rats with established portal hypertension. The combination treatment was more effective than using either drug alone, suggesting a potential new approach for treating human patients.

Celestron NexStar 8SE Computerized Telescope

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

ER episode impacts viewers' health knowledge and behavior

A study by USC researchers found that a storyline on ER about teen obesity and healthy eating habits positively impacted viewers' attitudes and behaviors, with men showing the strongest effects. The study highlights the potential of entertainment television as a medium for health communication.

Genes and drugs team up to lower blood pressure

Researchers identified single nucleotide polymorphisms (SNPs) in the adducin 2 gene that influence blood pressure regulation among people with hypertension. The study found associations between SNPs and differential responses to different antihypertensive drugs, highlighting potential for tailored treatment regimens.

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.

Hispanics' hypertension better controlled with equal access to care

Studies have shown that hypertension awareness, treatment, and control are lower among Hispanics compared to non-Hispanics. However, a recent study found that Hispanic men and women responded as well or better than non-Hispanics when treated aggressively with medication. At four years, blood pressure was controlled in 72% of Hispanic w...

Preventing or reducing enlarged heart decreases risk of heart failure

A new study published in Annals of Internal Medicine found that preventing or reducing left ventricular hypertrophy (LVH) decreases the risk of heart failure in high-blood-pressure patients. The study, led by Dr. Peter Okin, demonstrated a significant reduction in heart failure risk among patients with reduced LVH levels.

A type of antioxidant may not be as safe as once thought

Researchers found that N-acetylcysteine can form a molecule that tricks the body into thinking it has an oxygen shortage, leading to pulmonary arterial hypertension. The discovery opens up new possibilities for treating PAH and highlights the need to monitor patients using NAC.

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.

Study identifies warning signs of pregnancy danger

A study by Temple University researcher Kathleen Black identifies warning signs of pregnancy-induced hypertension, including increased stress levels, which can indicate worsening conditions. Women experiencing headaches, dizziness, frequent vomiting and malaise should call their physician immediately.

Specific antagonism lowers blood pressure

Researchers identified EP1 as a key factor in blood pressure regulation and found that inhibiting it can reduce hypertension. Targeting this receptor subtype may be a viable approach to treating high blood pressure.

Understanding hypertension in African Americans proves elusive

A recent study found that exercise did not lower aldosterone levels in African Americans, a hormone linked to hypertension. Despite this, researchers believe exercise still has potential benefits for reducing blood pressure. The study's findings highlight the complexity of understanding hypertension in African Americans.

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.

Hypertension: Uncontrolled and taking over the world

The Lancet Editorial warns that hypertension's increasing burden will largely stem from poor lifestyles, with a staggering 90% risk of developing the condition in developed countries. Effective treatments exist, yet many patients misbelieve they can 'cure' hypertension and stop medication when their blood pressure falls.

High blood pressure, low energy -- a recipe for heart failure

Researchers found that impaired energy production in heart muscle may underlie heart failure in some hypertensive patients. A protein called estrogen-related receptor alpha (ERR alpha) helps the heart keep up with energy-draining conditions like high blood pressure.

Does the desire to consume alcohol and tobacco come from our genetic makeup?

Researchers found genomic determinants underlying alcohol and tobacco use on chromosomes 1, 3, and 4. A common locus for both was discovered on chromosome 1, with a linked area for smoking also present. The study suggests sex-specific genetic factors may contribute to the observed sex differences in alcohol and tobacco use rates.

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.

Grapes, soy and kudzu blunt some menopausal side effects

Researchers have found that grape seed polyphenols reduce salt-sensitive hypertension in young rats, while soy polyphenols protect against hypertension in estrogen-depleted/ovariectomized rats. Kudzu root extract also blunts blood pressure rise and improves glucose tolerance in animal models of insulin resistance.

Quality of treatment guidelines

Researchers found that less than a third of treatment guidelines are based on high-quality evidence, highlighting the need for transparent grading systems. The study concludes that clinicians should be aware of this limitation and apply guideline recommendations appropriately to individual patients.