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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

Apple iPhone 17 Pro

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

Can adrenaline auto-injectors prevent fatal anaphylaxis?

A recent review published in Clinical & Experimental Allergy suggests that intravenous adrenaline infusions can prevent fatal anaphylaxis, but adrenaline autoinjectors may have little impact in such deadly cases. Fatal anaphylaxis is rare, with a population incidence of 0.03–0.51 per million per year.

Attention seniors! It’s never too late to stop smoking

A new study in the American Journal of Preventive Medicine found that quitting smoking even at 75 can significantly increase life expectancy. The research showed that older individuals who quit smoking can avoid an average loss of 4-9 years of life, with some regaining up to 8 years or more.

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.

How much do avoidable deaths impact the economy?

Two new papers estimate economic value of reducing avoidable deaths worldwide, finding 40 million deaths in 2019 were avoidable. The economic value is equivalent to 23% of annual global income, suggesting health improvements could lead to substantial economic benefits.

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.

Single housing extends adult lifespan in African turquoise killifish

Researchers found that single-housed adult fish exhibited a longer egg-laying period and slower aging process compared to group-housed counterparts. The study suggests that early-life social environment may influence life-long attributes beyond the typical relationship between growth rate and lifespan.

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.

Cause-specific mortality rates among the US Black population

The study found that progress in reducing excess mortality among Black individuals was stalled by an increase in mortality from external causes. Cardiovascular diseases, diabetes, and certain cancers still pose significant health risks to the US Black population.

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.

Rates of sudden unexpected infant death before and during the pandemic

A cross-sectional study found significant increases in sudden unexpected infant death (SUID) and sudden infant death syndrome (SIDS) during the COVID-19 pandemic. The rise in SUID rates was linked to off-season resurgences of infectious pathogens, with RSV rates closely approximating this shift.

Hardest hit by heat

A new study analyzing US data from 1993 to 2005 found that extreme heat disproportionately affects racial minorities, with a higher excess death rate for Non-Hispanic Blacks compared to whites. The study's findings highlight the need for adaptation measures to shield vulnerable populations from growing temperature dangers.

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.

Projections of extreme temperature–related deaths in the US

Extreme temperature-related deaths in the contiguous US are expected to rise significantly due to climate change, disproportionately affecting non-Hispanic Black and Hispanic adults. The study highlights the need for population health mitigation strategies to address this growing public health concern.

Analysis sheds light on COVID-19-associated disease in Japan

Researchers analyzed over 150,000 COVID-19 cases in Japan and found CAPA occurred in 0.4% to 2.7% of severe or critical patients, with higher risk seen in men, older adults, and those with respiratory diseases. Early detection and treatment with antifungal drugs are crucial for improved outcomes.

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.

Hemp shows high promise as potential natural insecticide

A study published in the journal Insects found that hemp leaf extract containing cannabidiol (CBD) is effective in killing mosquito larvae, including those resistant to typical insecticides. The research suggests CBD's potential as a safe and sustainable alternative for controlling mosquito populations.

Decoy carcasses reveal how often public overlooks stranded dolphins

A study by Cornell University researchers found that the public only discovers 58% of decoy dolphin carcasses, suggesting a higher number may be dying but not reported. The results point to habitats where staff should focus their efforts and highlight the importance of accurate estimates for understanding cause-specific deaths.

What happens to patients when their GP retires or relocates?

A Norwegian study found that patients losing their regular GP due to retirement or relocation experienced a 3-5% increase in healthcare use, but no difference in mortality rates. Despite this, the researchers suggest that long-term doctor-patient relationships may still be beneficial for health.

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.

Unhealthy behaviors contribute to more coronary artery disease deaths in the poor

A new study finds that four unhealthy behaviors, including smoking and physical inactivity, contribute significantly to socioeconomic disparities in coronary artery disease mortality. The researchers conclude that targeted public health policies can help reduce these disparities and improve heart health for low-income individuals.

BMI’s relation to cancer therapy mortality risks not so straightforward

A study published in JAMA Network Open found that body mass index (BMI) has a more complex relationship with mortality risk during cancer therapy than previously thought. For patients with advanced non-small cell lung cancer, higher BMI was associated with lower mortality when undergoing immunotherapy or conventional chemotherapy. Howe...

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.

How newly identified biomarkers could reveal risk factors for SIDS

Researchers at UCSF identified signals in the metabolic system of infants who died from Sudden Infant Death Syndrome (SIDS), finding associations between lower C-3 levels and elevated C-14OH. Elevated biomarkers also led to reduced risk of SIDS, but further research is needed to validate these findings.

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.

Honeybees: Combinations of pesticides can be dangerous

Research found that combining neonicotinoids with fungicides significantly increased mortality of bee larvae, while also affecting adult honeybee survival rates and lifespan. The study suggests that solitary wild bees may be more vulnerable to pesticide effects due to their smaller colony size.

1 in 5 COVID deaths potentially attributable to hospital caseload strain

A nationwide retrospective cohort study found a detrimental relationship between COVID-19 caseload and survival across all hospital types. Approximately 1 in every 5 COVID-19 deaths were attributed to hospital caseload strain, highlighting the importance of minimizing caseload surge during future public health emergencies.

Melanoma incidence and mortality trends in Sweden

A recent study in Sweden found a significant decline in both melanoma incidence and mortality among individuals aged 30-49. The causes of this downward trend are unclear but may be attributed to increased UV protection, public health campaigns, demographic changes, or advancements in melanoma treatment.

Balloon angioplasty vs medical management for intracranial artery stenosis

A study published in JAMA finds that balloon angioplasty plus aggressive medical management reduces the risk of any stroke or death within 30 days. The treatment approach may be effective for symptomatic intracranial atherosclerotic stenosis, but with consideration for increased stroke risk after balloon angioplasty.

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.

Celestron NexStar 8SE Computerized Telescope

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

GLP-1 receptor agonist use and risk of suicide death

A cohort study found no association between GLP-1 receptor agonist use and increased risk of suicide death or related disorders in patients with type 2 diabetes. The study included mostly patients with type 2 diabetes.

Semaglutide reduces COVID-19 related deaths in patients with obesity and CVD

A new substudy of the SELECT Trial found that semaglutide reduced rates of all-cause death, CV death, and non-CV death, including death from COVID-19, in patients with overweight or obesity and established cardiovascular disease without diabetes. Semaglutide also showed protective effects against COVID-19-related adverse events.

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.

Red flag laws may reduce the growing burden of firearm homicides

A recent study from Columbia University Mailman School of Public Health found that Florida's red flag gun law was associated with an 11 percent reduction in firearm homicide rates from 2019 to 2021. The study used augmented synthetic control methods and controlled for state-level sociodemographic and economic covariates.

Thirty-year trends in perioperative mortality risk for living kidney donors

After three decades, perioperative mortality rates for living kidney donors have decreased substantially, from fewer than 1 event per 10,000 donations in the past decade to even lower numbers. Donor demographics, such as male donors and those with a history of hypertension, are identified as high-risk groups.

Trends of heat-related deaths in the US, 1999-2023

Heat-related mortality rates in the US rose between 1999 and 2023, reversing a previous trend. Climate change projections suggest continued increases, highlighting the need for access to hydration centers and cooling centers.

Rates of obesity-related cancer are rising sharply in young Chinese people

Obesity-related cancer rates in China have risen sharply among young people, with an alarming 3.6% annual increase between 2007 and 2021. The trend is particularly pronounced among those aged 25-29, highlighting the urgent need for better public health policies to address China's growing overweight and obesity rates.

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.

Can flexibility help people live longer?

A recent study published in the Scandinavian Journal of Medicine & Science in Sports found that reduced body flexibility is associated with poor survival in middle-aged men and women. After analyzing data from 3,139 participants, researchers discovered an inverse relationship between Flexindex scores and mortality risk.