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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

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Zeroing in on a silent killer

Using a sophisticated X-ray analysis, scientists revealed the molecular structure of the angiotensin receptor AT1R, an important regulator of blood pressure in humans. This discovery provides new insights into the mode of action and facilitates the development of new drugs with fewer 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.

Belly fat chatter may be what's raising your blood pressure

Michigan State University researchers are investigating whether belly fat hormones cause high blood pressure by communicating with blood vessels in the abdomen. Visceral fat, a harmful type of fat that surrounds organs and blood vessels, is believed to play a key role in this process.

Mortality and blood pressure directly linked to relationship quality

A new study published in the Journal of Gerontology: Psychological Sciences found that mortality and blood pressure are directly linked to relationship quality. The research revealed that wives' stress has significant implications for husbands' blood pressure, particularly in negative relationships.

The cost of dominance

A series of University of Utah studies found that hostile-dominant personality styles are associated with increased vulnerability to cardiovascular disease, including higher blood pressure and severe atherosclerosis. In contrast, warm-dominant styles are linked to lower blood pressure and more support in marriages.

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.

Prolonged shortened sleep increases blood pressure at night

Researchers found significant increases in blood pressure during nighttime hours among participants exposed to prolonged periods of shortened sleep. The study, conducted at Mayo Clinic, used a controlled protocol to mimic the effects of sleep loss on the body.

Energy drinks raise resting blood pressure

A study by Mayo Clinic researchers found that energy drinks increase resting blood pressure, particularly in caffeine-naive individuals, doubling their blood pressure compared to a placebo.

Celestron NexStar 8SE Computerized Telescope

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

Salt affects organs

Excess dietary sodium can adversely affect target organs even in absence of blood pressure increase, including reduced function of endothelium, increased arterial stiffness, and kidney damage. Reducing sodium intake can help mitigate these effects.

Better midlife fitness may slow brain aging

Research found that individuals with lower fitness levels had smaller brain tissue volumes and poorer cognitive function later in life. Regular physical exercise may help slow down brain aging by reducing blood pressure fluctuations and vascular damage.

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.

Lower systolic blood pressure reduces risk of stroke

A new study found that lowering systolic blood pressure to below 140 mm Hg significantly reduces the risk of stroke in people over 60, with especially high risks for Hispanics and blacks. The study also highlights the importance of targeting this group with specific treatment guidelines.

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.

Study shows risk for younger adults with isolated systolic hypertension

A large study found that younger adults with isolated systolic hypertension have a significantly higher risk of cardiovascular disease and coronary heart disease. Women in this age group are particularly at risk, with a 55% increase in cardiovascular death compared to their male counterparts.

Revolutionary device found to lower blood pressure

Researchers developed a paper clip-sized implant called the Coupler, which significantly lowered blood pressure among patients with uncontrolled high blood pressure. The treatment reduced hypertensive complications and hospital admissions for high blood pressure crises, providing an immediate and pain-free solution.

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.

Long duration weightlessness in space induces a blood shift

Researchers found a higher blood volume shift from the lower to upper body due to weightlessness, with lower blood pressure than anticipated. Blood pressure decreased by 10 mmHg, similar to high blood pressure medication, during long-duration spaceflight.

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.

Blueberries: Small fruit delivers big reward

A new study found that consuming just one cup of blueberries per day can significantly lower blood pressure and arterial stiffness in postmenopausal women with pre- and stage 1 hypertension. The findings suggest that blueberries may mitigate the negative cardiovascular effects of menopause, reducing the risk of cardiovascular disease.

Daily consumption of blueberries may lower blood pressure

Researchers found daily blueberry consumption resulted in significant reductions of both systolic and diastolic blood pressure in postmenopausal women with pre- and stage 1-HTN. The study suggests that blueberries may prevent the progression to full-blown hypertension, potentially through enhanced nitric oxide-mediated vasodilation.

Potential option for treating chronic kidney disease

A new clinical study found that tetrahydrobiopterin (BH4) supplementation can dial back excessive sympathetic nervous system activation, leading to positive effects on arterial stiffness. BH4 is a cofactor for nitric oxide synthesis and has been shown to have beneficial effects on blood pressure and cardiovascular risk factors.

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.

Mom's exercise habits good for blood pressure in kids

A Michigan State University study found that exercising regularly during pregnancy can reduce a child's chances of developing high blood pressure later in life. The research suggests that physical activity during critical developmental periods may have a direct impact on the baby's cardiovascular health.

News from Dec. 23, 2014, Annals of Internal Medicine

A systematic review published in Annals of Internal Medicine suggests that blood pressure-lowering therapy can reduce stroke, cardiovascular deaths, and total deaths in patients with mild hypertension. Ambulatory monitoring may also improve the diagnostic accuracy of office screening for high blood pressure.

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.

High fitness level reduces chance of developing hypertension

According to new research, people with high fitness levels are less likely to develop hypertension. The study found that those who reached 12 METs or more during the stress test had a 20 percent lower risk of developing hypertension compared to those reaching less than six METs.

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.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Healthy diet linked to decreased blood-pressure measurements

A recent study by the American Heart Association found that following a healthy diet can lower blood pressure measurements. The research, which included over 12,000 volunteers, suggested that eating a balanced diet rich in fruits, vegetables, and whole grains may be an effective way to maintain healthy blood pressure levels.

High blood pressure control in United States continues to improve

The study found that more than half of US adults with high blood pressure now have readings below 140/90 mmHg. Despite progress, nearly half of those with hypertension remain uncontrolled, highlighting the need for increased efforts to prioritize blood pressure management at every medical visit.

Two drugs are no more effective than 1 to treat common kidney disease

Researchers found that using two drugs was no more effective than a single drug in slowing disease progression in people with autosomal dominant polycystic kidney disease (ADPKD). However, rigorous blood pressure treatment did slow the growth of kidney cysts and preserve kidney function.

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.

Parental age at childbirth may affect metabolism of adult offspring

A study found that middle-aged men whose parents were older at birth had lower blood pressure, more favorable cholesterol levels, and improved glucose metabolism. Further research is needed to determine the causes of this effect, with epigenetics and post-natal factors being potential explanations.

Many home blood pressure monitors may be inaccurate

A recent study found that home blood pressure monitors can be inaccurate, with systolic readings off by as much as 5mm Hg and diastolic readings off by as much as 10mm Hg in up to 30% of patients. The American Society of Nephrology recommends that all patients with home monitors get them validated with their healthcare providers.

Researchers look for the best way to help shake too much sodium

Chronic mental stress, obesity, and inflammation contribute to excessive sodium retention in blacks, increasing the risk of heart damage. Researchers aim to develop effective therapeutic strategies to treat this condition by testing angiotensin receptor blockers and other treatments.

Dispositional mindfulness associated with better cardiovascular health

Research at Brown University found a significant association between self-reported dispositional mindfulness and improved cardiovascular health, including lower BMI, physical activity, and fasting glucose. The study suggests that mindfulness training may be effective in increasing cardiovascular health indicators.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Clinical trial could change standard treatment for stroke

A large international clinical trial has shown that current hospital protocols for managing blood pressure in stroke patients may not be effective. The ENOS trial found that early treatment with glyceryl trinitrate patches improved outcomes in patients who received treatment within 6 hours of symptom onset.

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.

More cheese, please! New study shows dairy is good for your metabolic health

A new Canadian study found that consuming dairy products may have beneficial effects on metabolic health, including lower blood pressure and body weight. The study monitored the dairy-eating habits of healthy French-Canadians and discovered a positive association between dairy intake and specific metabolic risk factors.

Cardiorespiratory fitness can delay male, age-associated blood pressure hikes

A study published by the American College of Cardiology found that higher cardiorespiratory fitness levels can delay the natural increase of systolic and diastolic blood pressure with age. Men with high fitness levels experience a later onset of prehypertension, with systolic blood pressure increasing around age 54 and diastolic blood ...

Study finds high protein diets lead to lower blood pressure

A high-protein diet was associated with lower systolic and diastolic blood pressure levels in healthy adults. Consuming more protein also led to lower long-term risks for high blood pressure. The benefits were evident in both overweight and normal-weight individuals.

Restricting calories may improve sleep apnea, blood pressure in obese people

A 16-week randomized clinical trial found that reducing calorie intake by 800 calories per day improved obstructive sleep apnea and lowered blood pressure in obese adults. The study suggests that moderate energy restriction can reduce both body fat and the severity of sleep apnea, leading to a lower risk of cardiovascular disease.

Small weight gain can raise blood pressure in healthy adults

A recent study by American Heart Association found that small weight gain of five to 11 pounds can increase blood pressure, particularly abdominal visceral fat. This discovery suggests that even healthy individuals who experience a slight weight gain may be at risk for higher blood pressure.

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.

Sodium's influence on blood pressure statistically insignificant

A new study published in the American Journal of Hypertension suggests that sodium intake has a minimal impact on blood pressure. Higher consumption of fruits and vegetables was shown to significantly lower blood pressure, while increased physical activity showed no noticeable effect.