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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

Inflammatory marker may be early sign of blood vessel blockages

A study by Mayo Clinic researchers found that high-sensitivity C-reactive protein (hs-CRP) is associated with the presence of atherosclerotic plaques in the arteries, even if symptoms are absent. Elevated hs-CRP levels may indicate an increased risk of cardiovascular events like heart attacks.

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.

Long-term outcomes for liver transplantation due to hepatitis C

Research on hepatitis C patients after liver transplantation found that 10-year outcomes are similar to those for other indications, but risk of recurrence and failure increases over time. Factors such as donor and recipient age, viral load, and CMV antibodies can predict transplant success.

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.

New data validate the low-glycemic diet

A large-scale study validates the benefits of low-GI diets in rats, showing significant reductions in body fat, blood glucose and insulin levels. The study suggests that glycemic index is an independent factor contributing to major chronic diseases.

Rare mutations can significantly increase risk factor for heart disease

Researchers identified rare genetic mutations that significantly increase heart disease risk by focusing on individuals at the extreme ends of HDL levels. These findings provide direct evidence that rare variations in DNA can affect HDL levels, opening up new avenues for treatment and diagnostic targets.

Apple iPhone 17 Pro

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

Jefferson study shows red wine more heart-healthy than gin

A recent study by Thomas Jefferson University researchers found that red wine has a greater effect in lowering levels of anti-inflammatory substances in the blood compared to gin. The study's results suggest that moderate consumption of red wine may offer some protection against heart disease and stroke.

Mexican-Americans face far higher stroke risk

A recent study by Michigan Medicine reveals that Mexican-Americans are twice as likely to experience a stroke or near-stroke compared to non-Hispanic whites. The disparity holds true across various age groups, including younger populations, with unique genetic predispositions and potential factors contributing to the increased risk.

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.

Blood pressure too high? You probably have cholesterol problems, too

A recent study found that nearly half of adults with hypertension also have high cholesterol, which can be treated with existing medications. However, many individuals are not receiving adequate treatment for their cholesterol problems, highlighting the need for aggressive management of both conditions to prevent cardiovascular disease.

Study sheds new light on genetic risk for Parkinson's disease

Researchers found a moderate association between the APOE-2 gene and an increased risk of developing Parkinson's disease, with a 20% higher chance. In contrast, the APOE-4 gene was not linked to Parkinson's disease, contrary to its established role in Alzheimer's risk.

Home visiting program falls short of goal to prevent child maltreatment

A study published in Child Abuse & Neglect found that home visiting programs failed to identify risk factors and connect families with necessary resources, despite showing some positive outcomes. The researchers recommend better training for home visitors and improved coordination with community organizations.

Suicide among elderly persons associated with illness

Elderly individuals with chronic illnesses like depression, bipolar disorder, and severe pain are at increased risk of suicide. Researchers found that treatment for multiple illnesses also strongly correlates with an increased risk of suicide in this population.

Study shows how body dissatisfaction can lead to eating disorders

A recent study by Ohio State University reveals the link between body dissatisfaction and eating disorders in women. Constant body monitoring and certain personality traits are found to be significant predictors of disordered eating behaviors among women with body dissatisfaction.

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.

UK study shows substantial reduction in stroke over past 20 years

A UK study has shown a substantial reduction in stroke incidence over the past 20 years, with age-adjusted occurrence of first stroke decreased by around 30%. The decrease is associated with increased use of blood-pressure lowering and cholesterol-lowering drugs, leading to significant reductions in related risk factors.

Negative prostate biopsy doesn't always mean cancer-free

Researchers found four distinct risk groups and seven independent risk factors for prostate cancer detection, including abnormal exam findings, age, family history, and PSA density. Men with high-risk features remain at risk despite multiple negative biopsies, emphasizing the need for vigilant follow-up.

Safety of Canadian hospitals

The study found that 7.5% of hospital patients experienced adverse events, with 37% being preventable. Implementing gains in patient safety can be achieved through encouraging reporting, new technologies, and improved communication among caregivers.

Parents' heart attack or stroke raises risk in their middle-aged children

A study by Northwestern University and the Framingham Heart Study found that parents with early-onset cardiovascular disease double the risk of heart attack or stroke in their children. Children with intermediate levels of risk factors are most affected, making parental cardiovascular disease a strong predictor of risk.

Risk factors identified for persistent post-shingles pain

The study identified older age, female sex, presence of symptoms before the rash appeared, severe acute pain, and extent of rash as significant risk factors for PHN. These risk factors reflect different mechanisms contributing to the development of PHN.

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.

Increased risk of cardiovascular disease shown in PCOS patients

Two studies show that women with PCOS are at higher risk for cardiovascular disease due to elevated CRP levels and metabolic abnormalities. Obese women with PCOS symptoms are particularly at risk, highlighting the need for close monitoring of CVD risk factors in this population.

Mid-life heart disease risk factors linked to dementia in late-life

Researchers linked mid-life heart disease risk factors to increased dementia risk later in life. The study of over 11,000 participants found that those with four key risk factors had nearly three times the chance of developing dementia compared to those with none. Presence of each risk factor added a 20-40% greater risk for developing ...

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.

New light shed on atrial fibrillation after bypass surgery

A new analysis of 4,657 patients undergoing coronary artery bypass surgery found that discontinuing beta blockers and ACE inhibitors can lead to abnormal accelerations in heart pumping known as atrial fibrillation. However, these medications also appear to offer protection against the condition. The study identified a risk index that c...

Environmental inequities cluster to harm poor children

Children in poorer families face greater family turmoil, violence, instability and smaller social networks, living in more polluted and crowded environments with inadequate services. They attend underfunded schools and spend less time reading, watching fewer books at home.

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.

Study clarifies impact of diet on the risk of gout

A study clarifies the impact of diet on the risk of gout, revealing that meat and seafood consumption significantly increases risk, while dairy products may be protective. The study's findings suggest a potential benefit to reducing red meat consumption and increasing low-fat dairy intake.

Rimonbant shows promise in addressing multiple risk factors

Rimonabant demonstrated significant weight loss and improvement in metabolic profile in patients with obesity and untreated dyslipidemia. The drug also improved cardiovascular risk factors, including HDL-cholesterol and triglycerides, by reducing inflammation and increasing adiponectin levels.

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.

News tips from the American Heart Association

Research highlights the link between clinical depression and primary cardiac arrest, as well as low awareness of stroke risk among women in ethnic minorities. Meanwhile, studies reveal the role of adiponectin in regulating cholesterol levels and the importance of targeted educational programs to improve public health.

Computer-based program provides personal colon cancer risk data

A new computer-based program, HCCRACT-R, provides personalized colon cancer risk data and helps individuals make informed decisions. The tool, developed by Dr. Weinstein, takes into account both modifiable and unchangeable risk factors, and has been shown to correct misconceptions about risk perception in over 75% of participants.

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.

Depression predicts mortality in women with heart disease

Researchers at Duke University Medical Center found that women with coronary artery disease are twice as likely to die if they exhibit symptoms of depression. The study analyzed the Beck Depression Inventory scores of 265 women admitted for a diagnostic cardiac catheterization and followed them for up to 3.5 years.

Celestron NexStar 8SE Computerized Telescope

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

Depression may be a risk factor for heart disease, death in older women

A study of 93,676 healthy older women found that depressive symptoms are significantly related to cardiovascular disease risk and increased mortality rates. Women with depression were more likely to develop hypertension, have a history of stroke or angina, die from cardiovascular disease, and experience all-cause mortality.

Metabolic syndrome may be an important link to stroke

A new study suggests that treating metabolic syndrome's risk-factor components might reduce stroke risk before Type 2 diabetes develops. Men with metabolic syndrome have a 78% greater stroke risk, while women have more than double the risk compared to those without the condition.

New risk factors for retinal disorder identified

A case-control study found associations between CSCR and various systemic conditions, including alcohol, tobacco, and antibiotic use. Eye doctors are advised to discuss these risk factors with patients and take steps to eradicate them.

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.

Annals of Internal Medicine, tip sheet, January 6, 2004

A study found that people with kidney disease have higher levels of non-traditional risk factors for heart disease. Treating these risk factors may help prevent heart disease in patients with chronic kidney disease. Additionally, an editorial highlights the need for malpractice reform to prevent medical injury.

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.

Young adult fitness protects heart health in middle age

A large observational study found that improving fitness in healthy young adults can significantly reduce the risk of developing high blood pressure, diabetes, and metabolic syndrome. Regular physical activity can help maintain a healthy weight and protect heart health, even after age-related changes.

Risk factors determine need for colonoscopy

Researchers developed a risk index to identify people at higher risk of finding advanced precancerous growths in the upper colon. The study found that older age, being male, and having certain types and sizes of polyps in the lower colon were associated with an increased probability of finding these growths.

Study examines risk factors associated with colorectal cancer

Researchers found positive associations between history of first-degree relative, current smoking, and moderate to heavy alcohol use with increased risk of advanced neoplasia. Conversely, higher cereal fiber intake, vitamin D levels, and daily NSAID use were linked to lower risk.

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.

Long-term follow-up of mortality in patients with community-acquired pneumonia

A large-scale study found that long-term mortality in community-acquired pneumonia patients is influenced by factors such as age, nutritional status, and preexisting illnesses. The severity of pneumonia at initial presentation surprisingly did not predict mortality, with lower-grade fever actually linked to higher long-term death rates.

A heart-strengthening pace: brisk but comfortable

A recent study by the American Heart Association recommends regular brisk but comfortable walking to boost cardiovascular fitness. Middle-aged obese adults walked at a self-selected pace and achieved recommended levels of exercise intensity.

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.

Poor neighborhood linked to poor heart attack survival

A new study found that patients living in neighborhoods with high poverty rates had a 30% higher death rate after a heart attack. Researchers analyzed data from the Worcester Heart Attack Study, which included 2,539 confirmed cases of heart attack collected between 1995 and 1999.

One in eight N.C. schoolchildren display three or more heart risks

A recent study found that one in eight North Carolina schoolchildren have three or more heart risks, including low HDL levels and obesity. The researchers attribute this to the prevalence of overweight children among girls, which increases the risk of developing type 2 diabetes and heart disease.

Elementary signs of heart disease found in children

A study found that more than half of children aged 8-17 had at least one metabolic syndrome risk factor, including low HDL levels and high triglycerides. The researchers detected the highest rates of multiple risk factors in children around puberty, ages 10-13.

More risk factors for heart disease increase Medicare cost

Studies found that individuals with cardiovascular risk factors identified in middle age had significantly higher Medicare costs after age 65 and during their last year of life. Those with more risk factors spent more on treating cardiovascular disease and experienced greater healthcare expenditures overall.