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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

Analysis reveals barriers to routine HIV testing in high-income countries

Low rates of routine HIV testing were reported in emergency departments and acute medical units in the UK and US, with operational and patient-specific factors hindering uptake. The study identifies providers' fears about offering HIV testing as a major barrier, stemming from perceived lack of knowledge about HIV.

Leaving the house every day may help older adults live longer

A study of community-dwelling individuals aged 70-90 found that leaving the house daily lowered mortality risk, independent of social, functional, or medical factors. Daily outings facilitated exposure to beneficial experiences and allowed resilient individuals to remain engaged despite physical limitations.

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Analysis reveals barriers to routine HIV testing in high-income countries

A new study reveals barriers to routine HIV testing in emergency departments and acute medical units in the UK and US. The analysis found that operational and patient-specific factors hindered HIV testing coverage, while commitment from medical staff and local specialist providers facilitated its offer.

Study calculates contribution of risk factors to cancer in the United States

A new American Cancer Society study calculates the contribution of several modifiable risk factors to cancer occurrence. The study found that more than 42% of all cancer cases and deaths in the US are associated with these major modifiable risk factors, many of which can be mitigated with prevention strategies.

Apple iPhone 17 Pro

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

New genes discovered that influence the risk of allergic diseases

A large-scale study has identified 136 genetic loci that increase the risk of developing atopic dermatitis, hay fever, and asthma. These variants are associated with genes involved in regulating the immune system, suggesting a shared genetic origin for the three diseases.

Want safe travels? Find freeways with these features

A study by Brigham Young University researchers found that lower speed limits were linked to higher rates of accidents, contrary to expectations. Increasing shoulder width and using concrete barriers were also associated with a decrease in crash risk.

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.

New tool predicts risk of heart attack in older surgery patients

Researchers developed a predictive tool to accurately estimate cardiac risks for older patients undergoing non-cardiac surgery. The 'Geriatric-Sensitive Perioperative Cardiac Risk Index' considers age-specific risk factors and significantly outperforms traditional tools.

Stopping the dengue threat

A QUT study has identified social factors such as overseas arrivals, rainwater tanks, and economic status as potential dengue risk factors. The study suggests increasing surveillance and monitoring of travellers arriving in Australia to control the importation and transmission of dengue virus.

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.

Stressful events can increase women's odds of obesity

Research presented at the American Heart Association's Scientific Sessions 2017 found that traumatic lifetime events and recent negative life experiences increase a woman's likelihood of being obese. Women who experienced four or more negative events in the past five years had a 36% higher risk of obesity compared to those with no such...

Global birth season study links environment with disease risk

A new analysis of 10.5 million patients found that mothers' exposure to sunlight, air pollution, and carbon monoxide during pregnancy may increase their child's lifetime risk of type 2 diabetes, atrial fibrillation, depression, and anxiety. The study also found that relative age at school enrollment is a stronger predictor of ADHD.

Comprehensive health study in India finds rise of non-communicable diseases

A new study finds that non-communicable diseases have become the leading cause of death in India, surpassing infectious diseases. The study reveals significant state-level variations in health outcomes, with some states experiencing much higher rates of deaths and illnesses due to conditions like diabetes and ischemic heart disease.

Cuban delegation, UIC work toward better women's health in Englewood

A pilot project tests a community-level assessment tool from Cuba on reproductive-age women and their families in Englewood, aiming to enhance provider awareness of home life and environments. The goal is to address maternal health and infant mortality outcomes, such as low birth rate and pre-term births.

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.

All forms of sexual harassment can cause psychological harm

Researchers found that girls struggle more than boys with anxiety, depression, negative body image, and low self-esteem due to non-physical sexual harassment. The study included almost 3,000 high school students in two studies and showed consistent findings across studies.

Academic performance predicts risk of suicide attempt

A recent study found that poor academic performance at age 16 significantly increases the risk of suicide attempt, with those in the lowest GPA quartile facing a near five-fold higher risk. Researchers followed 26,315 Swedish individuals from age 16 to 46 and controlled for potential confounding factors.

E-cigarette use by high school students linked to cigarette smoking

A large Canadian study links e-cigarette use among high school students to later cigarette smoking. The study found that youth who used e-cigarettes were more likely to start and continue smoking cigarettes. However, the association may be due to common factors rather than a causal effect.

Willingness to take risks -- a personality trait

Researchers found a stable general factor of risk preference that affects decisions across different areas of life. This trait shares the psychometric structure of major psychological characteristics and can be measured using self-reports and frequency measures of actual risky activities.

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.

Public awareness of atrial fibrillation is low

A study found low public awareness of atrial fibrillation (AF), with only 48% globally aware, but 82% correctly identifying palpitations as an AF symptom. The estimated 33.5 million people worldwide live with AF, highlighting the need for increased public health initiatives.

Women more likely to die in the first year after a heart attack

A new study published in PLOS ONE has found that women are at a significantly higher risk of dying in the first year after a heart attack compared to men. The researchers analyzed data from over 4,100 patients and found that women were 1.5 times more likely to die within this timeframe.

Fluke 87V Industrial Digital Multimeter

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

African-Americans live shorter lives due to heart disease and stroke

The average lifespan of African Americans is significantly shorter than white Americans, largely attributable to a higher rate of heart attacks, sudden cardiac arrest, heart failure, and strokes. Socio-economic factors such as education, income, and access to healthcare contribute to these disparities.

Exploring disease predisposition to deliver personalized medicine

Scientists from the University of Geneva explore links between diseases and gene activity to build a model identifying specific sequences in the non-coding genome. The study reveals surprising results, including brain tissues being key contributors to schizophrenia risk and the small intestine playing a role in disease development.

High blood pressure boosts risk of common heart valve disorder

Researchers found a significant association between elevated systolic blood pressure and the development of mitral regurgitation, a condition where the heart valve leaks. The study suggests that controlling blood pressure may be crucial in preventing this common heart valve disorder.

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.

Men develop irregular heartbeat earlier than women; extra weight a factor

A new study found that men develop atrial fibrillation about a decade earlier than women and that being overweight is a significant risk factor. Researchers analyzed data from 79,793 people in Europe and found that men had higher diagnosis rates, especially after age 50, while women's rates increased after age 60.

Study reveals risk factors for substance use problems, as well as resilience

A study of African-American and Latino adults in a high-risk urban community found that despite numerous risk factors, the rate of substance use problems is low for a substantial proportion of participants. Protective 'resilience' factors, such as support, education, and employment, also play a crucial role in preventing substance misuse.

Study: Risk factors on rise among people with stroke

A study published in Neurology found a significant increase over 10 years in the percentage of people with stroke who have high blood pressure, diabetes, and other risk factors. The prevalence of these risk factors increased from 88% to 93%, with high cholesterol and drug abuse rates doubling.

Risk factors for heart health linked to marital ups and downs -- at least for men

A study found that changes in marital relationship quality over time are associated with variations in cardiovascular risk factors for men. Improving relationships were linked to lower levels of 'bad' cholesterol and relatively lower weight, while deteriorating relationships were associated with worsening diastolic blood pressure.

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.

Psychosocial factors, psychological disorders and violent crime

A study by researchers at the University of Seville found that individuals with lower levels of education are 10.32 times more likely to commit violent crimes than those with high educational levels. Additionally, prisoners diagnosed with functional mental illness were 3.5 times more likely to commit or attempt murder.

Frequent sauna bathing keeps blood pressure in check

Men who batted in saunas 4-7 times a week had lower blood pressure levels than those who only batted once a week. This was attributed to vasodilation, improved endothelial function, and relaxation of the body and mind. Regular sauna bathing also reduced the risk of pulmonary diseases.

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.

Woman develops rare life-threatening condition after liposuction

A 45-year-old woman developed a rare but life-threatening condition called fat embolism syndrome (FES) after undergoing liposuction. FES is notoriously difficult to diagnose due to a lack of standardized diagnostic criteria, emphasizing the need for clinicians to think outside the box and consider alternative diagnoses.

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.

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.

Finding a natural defense against clogged arteries

Researchers at Joslin Diabetes Center identified PKC-delta as a natural protective factor that works against chronic inflammation in diabetes, which can lead to cardiovascular disease. The study found that PKC-delta suppresses the population of macrophages and inhibits a biological pathway that protects cells from dying.

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.

Scientists list 50 terms you may be confusing

A new paper defines 50 term pairs in psychology, including envy/jealousy and disease/illness, to improve psychological literacy. The list helps distinguish between related concepts, such as punishment vs. negative reinforcement, antisocial vs. asocial behavior.

Genetic effects are influenced by lifestyle

A new study from Uppsala University finds that genetic effects on obesity are not fixed but interact with lifestyle factors. The study reveals that physical activity and socio-economic status can reduce the impact of genes on weight.

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.

Recommendations vary for vision screening in young children

The US Preventive Services Task Force (USPSTF) recommends vision screening for children aged 3-5 to detect amblyopia. However, the evidence for this age group is considered moderate, while it is insufficient for children under 3 years old. Early detection of vision abnormalities can prevent permanent vision loss in affected eyes.

Diabetes and heart disease linked by genes, reveals Penn-led study

A Penn-led study identified 16 new genes associated with type-2 diabetes and one new genetic risk factor for coronary heart disease. The researchers found that most of the sites known to be associated with higher diabetes risk are also linked to higher CHD risk, highlighting potential targets for future therapies.

Virus that causes mono may increase risk of MS for multiple races

Researchers found a strong biological link between Epstein-Barr virus and multiple sclerosis (MS) across three racial groups. The study found that blacks, Hispanics, and whites who had mononucleosis were more than two to nearly four times more likely to develop MS than those who did not.

Men, women and risk of developing Alzheimer disease: Is there a difference?

A new study published in JAMA Neurology analyzed 27 research studies and found that female carriers of the apolipoprotein E ?4 allele have a greater risk of developing Alzheimer disease, particularly between ages 65-75. The authors suggest physiologic changes associated with menopause and estrogen loss may underlie these sex differences.

Married patients with heart disease have better survival rates

Researchers found that married patients who have had a heart attack are 14% more likely to survive compared to single patients. Marriage also provides protection for patients with high cholesterol, diabetes, and high blood pressure, increasing their chances of survival by 16%, 14%, and 10%, respectively.

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.