Bluesky Facebook Reddit Email

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

Mediterranean diet may help Alzheimer's patients live longer

A Mediterranean diet was found to reduce mortality in Alzheimer's patients by an average of 1.3 years for moderate adherence and four years for strict following. The study followed 192 people with Alzheimer's disease in New York for an average of four and a half years.

Apple iPhone 17 Pro

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

Omega-3 fatty acids protect eyes against retinopathy, study finds

Researchers found that increasing omega-3 fatty acids and decreasing omega-6 fatty acids in the diet can reduce retinopathy severity by suppressing inflammatory proteins. The study suggests that omega-3 fatty acids may act as protective factors in diseases affecting retinal blood vessels.

Can blindness be prevented through diet?

A study published in Nature Medicine found that increasing omega-3 intake in mice reduced damaging vessel growth in the eye, a cause of retinopathy and blindness. Omega-3 supplementation is being tested in premature babies at risk for vision loss in a clinical trial.

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.

Research suggests omega-3s may help slow prostate cancer growth

Research suggests that a diet high in omega-3 fatty acids may improve prognosis for men genetically prone to develop prostate cancer. The study found that mice with a genetic defect causing prostate cancer had reduced tumor growth, slowed disease progression and increased survival when fed a high-omega-3 diet.

JCI table of contents: June 21, 2007

Researchers found that a nutritionally balanced diet high in omega-3 fatty acid reduced prostate tumor growth and increased survival in genetically predisposed mice. Omega-6 fatty acids had the opposite effects. The study suggests a beneficial effect of omega-3 polyunsaturated fatty acids on delaying human prostate cancer.

Study identifies new regulator of fat metabolism

Researchers at Beth Israel Deaconess Medical Center have identified a key mechanism behind the turn of events when high-fat, low-carbohydrate diets cause demonstrable changes in metabolism and subsequent weight loss. FGF21, a liver hormone, is required to oxidize fatty acids and burn calories.

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.

Omega-3 fatty acid may help prevent Alzheimer's brain lesions

A study by UC Irvine scientists found that diets rich in docosahexaenoic acid (DHA) can help prevent the development of Alzheimer's disease later in life. Mice given a DHA-rich diet showed lower levels of tau and beta amyloid, proteins associated with neurofibrillary tangles and plaques.

Omega-3 fatty acids affect risk of depression, inflammation

A new study suggests that balancing omega-6 and omega-3 fatty acid intake can reduce the risk of clinical depression and certain inflammatory diseases. Participants with higher levels of omega-6 and symptoms of depression had elevated markers of inflammation.

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.

Higher trans fat levels in blood associated with elevated risk of heart disease

A new Harvard T.H. Chan School of Public Health study found that women with the highest trans fat levels in their blood had three times the risk of coronary heart disease as those with the lowest levels. The study, which measured trans fatty acid levels in blood samples, provides strong evidence for the health risks of trans fat.

New success in engineering plant oils

Researchers at Brookhaven National Laboratory have developed a technique to convert unsaturated oils in temperate plants to tropical-like oils with higher saturated fatty acid levels. This can lead to the production of renewable feedstocks for industrial processes and more healthful nutrition.

Plant-derived omega-3s may aid in bone health

A team of Penn State researchers found that plant-derived omega-3 polyunsaturated fatty acids (PUFA) may have a protective effect on bone health. The study, which included a controlled diet with three diets high in PUFA, showed significant decreases in biomarkers of bone resorption.

Protein sensor for fatty acid buildup in mitochondria

Researchers at St. Jude Children's Research Hospital discovered the role of PanK2 enzyme in detecting fatty acid buildup in mitochondria, a crucial step in cellular energy production. This finding has significant implications for understanding and treating neurodegenerative diseases caused by mutations in the PANK2 gene.

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.

New fat, same old problem with an added twist?

A new study conducted at Brandeis University and Malaysia found that a modified fat replacing trans fat causes an increase in blood glucose levels and depresses insulin in humans. The researchers discovered that this interesterified fat had a similar impact on cholesterol levels as trans fat, but with weaker effects.

Higher level of certain fatty acid associated with lower dementia risk

A recent study found that individuals with higher levels of docosahexaenoic acid (DHA) in their blood had a significantly lower risk of developing dementia and Alzheimer's disease. DHA is an omega-3 polyunsaturated fatty acid found in fish, which appears to affect dementia risk and proper functioning of the central nervous system.

Dried plums act as antioxidant in some meats

Researchers found that dried plums have high antioxidant capacity and can effectively prevent oxidation of fatty acids in meat products like sausages and roast beef. The plum puree can also enhance flavor and reduce laxative concerns when used in moderation.

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.

New study shows the benefits of eating fish greatly outweigh the risks

A comprehensive analysis of fish consumption found that moderate intake reduces risk of coronary heart disease by 36% and total mortality by 17%. The benefits of omega-3 fatty acids from seafood also improve early brain development in infants, particularly when consumed by pregnant or nursing mothers.

Omega-3 fatty acids may slow down early Alzheimer's in some cases

Researchers at Karolinska Institutet found that omega-3 fatty acid supplements slowed cognitive decline in a subgroup of patients with very mild Alzheimer's disease, while no effect was seen in those with more advanced disease. The study suggests that omega-3 supplements may be beneficial in halting initial progression of the disease.

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.

Genes and diet linked to risk factors for heart disease

Researchers found a genetic link between APOA5 and heart disease risk, specifically in those consuming high amounts of omega-6 fatty acids. Carriers of the gene variant who ate more than six percent of total calories from omega-6s had increased triglyceride levels and elevated lipoprotein particles.

Video games: Medicine for the body

The Federation of American Scientists has developed a new educational video game called Immune Attack, which engages students in learning about immunology concepts. The game features a first-person strategy game where immune cells face off against bacterial and viral infections, aiming to make learning fun and exciting.

Fatty fish protects against cancer

A major study from Karolinska Institutet found that eating fatty fish like salmon, sardines, and mackerel at least once a week reduces kidney cancer risk by up to 74% over a decade. The study also highlights the protective effects of omega-3 fatty acids and vitamin D in fatty fish.

New tool for biology students teaches biosecurity awareness by example

The new online learning tool illustrates the implications of dual-use biological research through case studies and historical background on bioterrorism. Biology students will learn to assess their research in terms of modern security concerns and recognize the risks of misusing scientific work.

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.

Celestron NexStar 8SE Computerized Telescope

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

Research highlights risk factors for age-related vision loss

A study of elderly male twins found that eating fish frequently may decrease the risk of age-related macular degeneration, while smoking nearly doubles the risk. The benefits were most apparent among individuals who consumed two or more servings of fish per week.

Avoiding house dust mites and changing diet proves ineffective

A study of over 600 newborns found that reducing exposure to house dust mites and increasing omega-3 fatty acids through diet had no impact on the development of asthma. Researchers recommend further research into alternative interventions for preventing asthma and allergic disease in children.

Meconium: Baby's first stool may provide clues to fetal alcohol exposure

Researchers found that certain fatty acid ethyl esters (FAEEs) in meconium are indicative of fetal exposure to alcohol during pregnancy. The presence of these biomarkers was significantly higher in infants exposed to alcohol, suggesting potential as a reliable indicator of fetal alcohol effects.

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.

Women who drink alcohol during pregnancy

A recent study found that women of child-bearing age in the US are still at risk of heavy drinking, with 4% pregnant at the time of the interview. The study also highlights the issue of unplanned pregnancies and the need for information campaigns targeting alcohol consumption among young women.

MIT research offers new hope for Alzheimer's patients

Researchers at MIT have discovered a potential new treatment for Alzheimer's disease that delays cognitive decline using a combination of omega-3 fatty acids and two other compounds. The cocktail treatment has been shown to increase the formation of brain cell synapses, which are damaged in Alzheimer's patients.

Fish oil may help protect against retinal degenerative diseases

Researchers have discovered that docosahexaenoic acid (DHA) in retinal pigment epithelial cells plays a crucial role in protecting photoreceptor cells from damage. The findings suggest that DHA may help slow or halt the progression of diseases such as retinitis pigmentosa and Usher's syndrome.

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.

Omega-3 fatty acids inhibit growth of liver cancer cells

Researchers found that omega-3 fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) inhibited the growth of liver cancer cells, whereas omega-6 fatty acid arachidonic acid (AA) had no effect. The compounds induced apoptosis and decreased beta-catenin levels, which are involved in tumor progression.

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.

Researchers create pigs that produce heart-healthy omega-3 fatty acids

Scientists have created pigs that produce heart-healthy omega-3 fatty acids by transferring a gene called fat-1 to pig cells. This breakthrough could lead to better understanding of cardiovascular function in both pigs and humans, as well as potential benefits for human health and animal welfare.

Einstein researchers find potential new drugs for tuberculosis

Researchers at Einstein College of Medicine have discovered two new compounds, 2-HA and 2-OA, that are more potent than isoniazid in killing bacteria. These compounds inhibit multiple biochemical pathways essential for bacterial survival, offering a promising alternative to current treatments.

Butterflies lose body fat during metamorphosis

Researchers analyzed the fatty acid composition of Blue Morpho butterflies and their larvae to discover that the transformation from larva to butterfly drastically reduces total fatty acid content. This significant loss in body fat may be essential for the health and survival of the butterfly during metamorphosis.

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.

Commonly used drug may prevent fetal alcohol syndrome

Researchers discovered that nicotinamide can protect mice from brain cell death and behavioral abnormalities caused by alcohol exposure. The study suggests that taking the drug soon after drinking alcohol may prevent some of the damage to the developing fetus.

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.

Highlights from the December Journal of the American Dietetic Association

French fries prepared with non-hydrogenated cottonseed oil have significantly lower trans-fatty acids and saturated fat compared to those made with partially hydrogenated canola or soybean oil. Fruits and vegetables are ranked highest for nutrient density, providing key nutrients at a reasonable cost.

Dietary fat intake linked to dry eye syndrome in women

Research suggests that a diet rich in omega-3 fatty acids, found in fish and walnuts, may help prevent dry eye syndrome. Women who consumed at least five servings of tuna per week had a 68% reduced risk of the condition compared to those with lower intakes.

Eating fish associated with slower cognitive decline

A six-year study found that consuming one or more fish meals per week was associated with a slower rate of cognitive decline. The study, which analyzed data from over 1,000 Chicago residents aged 65 and older, suggests that eating fish may help protect against age-related cognitive decline.

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.

Fatty acids – Good for the brain, good for Alzheimer disease

Research suggests that docosahexaenoic acid (DHA) can decrease levels of pathogenic Abeta peptides associated with Alzheimer's disease in human brain cells. The synthesis of neuroprotectin D1 (NPD1), an endogenous DHA-derived messenger, is also upregulated and inhibits apoptosis triggered by Abeta peptides.

Soy protein reduces effects of diabetes on liver

A diet high in soy protein prevents the accumulation of triglycerides and cholesterol in the liver despite obesity and hyperinsulinemia. This is achieved through reduced expression of genes involved in lipid production and increased breakdown of fatty acids.

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.

Researchers discover new tumor defense system

Tumors secrete fatty acids that block cytotoxic T lymphocytes' ability to kill cancer cells, reducing the efficacy of anti-cancer therapies. This discovery raises possibilities for new therapeutic targets and monitoring tumor aggressiveness through free fatty acid levels.

Omega-6 fatty acids cause prostate tumor cell growth in culture

Researchers found that omega-6 fatty acids can stimulate cell growth in prostate cancer cells by activating the production of cPLA2 and COX2 enzymes. A diet high in omega-6 fatty acids may contribute to increased risk of prostate cancer, while a new class of drugs targeting cPLA2 could offer a safer alternative to existing treatments.

Insulin pulses keep the liver lean

New study reveals that acute insulin pulses limit fat synthesis in the liver by activating a key molecule called CEACAM1. Regular periods of fasting between meals help maintain a healthy liver by allowing insulin levels to fluctuate.