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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

Is the drug overdose epidemic unique to the United States?

A new study finds that the US has the highest rates of drug overdose mortality among high-income countries, with a rate 3.5 times higher on average. The country's overdose death rate has increased rapidly over the past decade, outpacing other nations.

The 2008 recession associated with greater decline in mortality in Europe

A study published in Nature Communications found that the 2008 recession was associated with a greater decline in mortality rates in Europe. The researchers analyzed data from 15 European countries and found that periods of economic recession were linked to lower levels of pollution, fewer accidents, and sedentary lifestyles.

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.

Number of suicide deaths have risen globally to over 800,000 in 2016

A study published by The BMJ found that global suicide deaths increased by 6.7% between 1990 and 2016, but the age-adjusted mortality rate decreased by almost a third worldwide over the same period. Men had higher mortality rates than women, with higher rates linked to social and economic deprivation.

Traffic fatalities on a high after cannabis legalization: Study

A Monash University study found that recreational cannabis sales led to an average of one additional traffic fatality per million residents in US states where it was legalized. The increase was short-lived, lasting about a year after legalization. The study also reported spillover effects on neighboring jurisdictions.

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.

The parable of universal health cover for people on the move

The UCL-Lancet Commission on Migration and Health debunks common misconceptions about migration's impact on public health and economies. It highlights the significant economic benefits of migration, including increased GDP per person in advanced economies.

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.

Dementia associated with most deaths of older adults with down syndrome

A recent study published in JAMA Neurology reveals that adults with Down syndrome are more likely to die from dementia, highlighting the importance of studying disease progression and potential treatments for this population. The study, which included 211 adults, found that 70% of those who died had dementia.

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

Halloween associated with increased risk of pedestrian fatalities

New research finds that Halloween is linked to higher rates of pedestrian traffic fatalities, particularly among young children. The study, which analyzed data from 1975-2016, revealed an average of four additional pedestrian deaths per year during Halloween, with the greatest risk among children aged 4-8.

Mass shootings trigger blood donations

The article highlights the impact of mass shootings on blood donation rates and transfusion needs. A report by Vanderbilt University Medical Center shows that mass shootings can lead to a significant increase in blood component transfusions, with some hospitals requiring up to 2.7 units per admission.

Mass shootings may trigger unnecessary blood donations

A recent study analyzed the impact of mass shootings on blood supply and demand for blood products. The research found that a call for immediate blood donation was unnecessary and resulted in wasted blood resources. The study suggests that cities develop protocols for mass casualty events, such as issuing calls for donations by ZIP code.

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.

Racial differences in colorectal cancer incidence not due to biology

A systematic review and meta-analysis found that racial differences in colorectal cancer incidence are not due to biological factors. The study suggests that screening should begin at age 50 regardless of race, with consideration for individual risk factors and preferences. Improved access to screening is crucial to reducing disparitie...

Increased mortality in children with inflammatory bowel disease

Children with inflammatory bowel disease have a higher mortality rate compared to peers without the condition, particularly if diagnosed before age 18. Careful monitoring is crucial for individuals diagnosed in childhood, especially those with ulcerative colitis and primary sclerosing cholangitis.

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.

Cancer death disparities linked to poverty, lifestyle factors nationwide

Cancer death disparities exist among US counties due to socioeconomic and behavioral traits, such as food insecurity, smoking, physical inactivity, and inadequate healthcare. Researchers identified these factors using a novel method, which may help public health experts target specific areas for reduction.

How have mortality rates changed over time for infants, children?

Mortality rates for infants and children in the US have declined significantly since 1999, according to a study analyzing death certificate data. The study found decreases in deaths from sudden infant death syndrome and unintentional injuries among young people, but increases in suffocation and strangulation deaths in infants.

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.

Drug overdose epidemic has been growing exponentially for decades

A University of Pittsburgh analysis found death rates from drug overdoses have been growing exponentially for at least 15 years, suggesting a long-term process driving the epidemic. The study suggests that prevention efforts must address deeper factors beyond specific drugs to be successful.

Mathematicians calculate the safest way home

Cardiff University researchers calculate a novel system for scoring an area's safety, successfully predicting road casualties. The system uses factors like crossings, street type, and speed limits, with Liverpool deemed the most unsafe and Bath the safest.

Fluke 87V Industrial Digital Multimeter

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

Did death rate affect the 2016 US presidential elections?

A study found that modest reductions in age-adjusted, county-level death rates could have swung key US states to Secretary Clinton. Counties with higher Republican votes had higher age-adjusted death rates and increased deaths of despair.

Meta Quest 3 512GB

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

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.

Study illustrates challenges of lowering tetanus mortality

Researchers found that implementing a standard tetanus protocol in an ICU in Tanzania did not significantly reduce mortality rates, but shifted causes of deaths to airway compromise and sepsis. The study emphasizes the need for increased vaccination coverage to eliminate this preventable disease.

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.

Oxford University: Better sleep linked with family tree strength

A new study published in PLOS ONE found that sleep boosts 'fitness' and future family line reproductive success, suggesting it plays a significant role in evolutionary adaptation. The research used mathematical modeling to compare the fitness of sleeping and non-sleeping strategies under various conditions.

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.

Lynchings of the past affect health today

A new study by researchers from the University of South Carolina shows that US counties with a history of lynching events have higher contemporary mortality rates for both white and black populations. The study found significant associations between past lynchings and increased mortality rates, especially among African American females.

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.

Death rates from heart failure higher for women than men

A study of over 90,000 patients found women's heart failure mortality is higher and hospitalization rates have increased in women compared to men. The research highlights sex differences in heart failure outcomes, care delivery, and access in Ontario.

Study finds potential link between alcohol and death rates

A study published in Clinical Nutrition found that heavy drinking causes uncontrolled iron absorption, leading to health issues like heart attacks and liver disease. Iron loading was significantly higher in drinkers than non-drinkers, predicting increased mortality rates.

Hospital quality improves over time with EHRs, study finds

A study by UCSF researchers found that hospitals adopting electronic health records (EHRs) initially experienced higher mortality rates, but these improved over time as they learned to work with the technology and adopted new capabilities. The benefits of EHR adoption were most pronounced in smaller and non-teaching hospitals.

Celestron NexStar 8SE Computerized Telescope

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

Lifejackets could save 180 or more lives a year

A study by the University of Portsmouth found that potentially 180 deaths in British waters from 2007-2016 were avoidable if victims wore lifejackets. Anglers aged 41-50 are at highest risk, with leisure angling having the second-highest fatality rate.

Far 'over-the-hill' lies the plateau of human mortality

A new study estimates mortality rates for nearly 4,000 Italians over 105 years old, finding a plateau in death rates after age 105. The research suggests that human longevity is increasing over time, with slight declines in mortality rates across groups born within the same year.

Study debunks notion that large chunks of Medicare go to lost causes

A new study by MIT economists challenges the idea that most Medicare spending goes to patients who are unlikely to survive. The research found that less than 5% of Medicare spending is allocated to the top percentile of high-risk patients, with a predicted one-year mortality rate of just 46%.

The odds of living to 110-plus level out -- once you hit 105

A study of nearly 4,000 extremely old Italians found that mortality rates plateau after 105 years old, with people between 105-109 having a 50/50 chance of dying within the year and an expected further life span of 1.5 years. The findings challenge previous research on a final cut-off point for human lifespan.