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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

Lipid abnormalities linked to Lou Gehrig’s disease

Researchers found elevated levels of ceramides and cholesterol esters in spinal cords of people with ALS, leading to motor neuron degeneration. Treating these lipids with a drug called ISP-1 may prevent this process.

Researchers link red wine to 'good cholesterol'

A new study found that moderate red wine consumption is associated with higher levels of HDL cholesterol in regular drinkers. The researchers discovered that the fatty acid composition of these HDL particles may play a beneficial role in reducing cardiovascular risk.

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.

High cholesterol elevates women's risk of stroke death

A new study confirms high cholesterol as a significant risk factor for stroke death in women, particularly those under 55. Cholesterol levels were found to be associated with an increased risk of ischemic stroke death across all age groups.

New cholesterol disorder discovered – As predicted from gene's role

Researchers identified a new cholesterol disorder caused by mutations in the CYP7A1 gene, leading to elevated cholesterol levels and increased risk of heart disease. The study found that carriers of the mutation had significantly higher cholesterol levels and were more likely to develop gallstones.

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.

Lean ground beef fortified with soybean phytosterols lowers cholesterol

A randomized trial found that lean ground beef fortified with soybean phytosterols lowered plasma total cholesterol by 9.3%, LDL cholesterol by 14.6%, and the ratio of total to high-density lipoprotein (HDL) cholesterol by 9.1% in 4 weeks. This study suggests a lower-fat alternative for lowering CVD risk.

A detour for stalled intracellular lipid traffic

A recent study published in the Journal of Clinical Investigation has identified a potential detour for stalled intracellular lipid traffic. This novel approach could lead to the development of new treatments for various diseases, including those related to lipid metabolism.

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.

Harden McConnell named winner of 2002 Welch Award in Chemistry

Harden McConnell, a renowned Stanford University chemist, has been awarded the 2002 Welch Award for his pioneering discoveries about cell membranes. His work has provided new insights into how the body regulates cholesterol and activates its immune system.

Apple iPhone 17 Pro

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

Natural cholesterol-lowerer shows the way

A study published in Science identifies guggulipid as a target for developing drugs to lower cholesterol. The extract, combined with a cholesterol-lowering diet, reduced cholesterol levels by up to 20%. Researchers are now studying the biochemical reasons behind this effect and its potential impact on other medications.

Foods rich in folate may reduce risk of stroke

Research found that consuming at least 300mcg of folate per day reduces stroke and cardiovascular disease risk. Folate, a B-vitamin, is found in citrus fruits, leafy greens, beans, and grain products.

Fluke 87V Industrial Digital Multimeter

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

Health benefits of leanness blown away by cigarette smoke

Men and women who smoked cigarettes had a significantly increased risk of heart attack, with female smokers facing an 80% greater risk than their peers. This contradicts the initial assumption that leanness is cardio-protective, highlighting the need for further research.

More good news on the health benefits of almonds

Six studies presented at the 2002 Experimental Biology conference support almonds' role in lowering 'bad' cholesterol and protecting against cell damage. Eating a handful of almonds daily may significantly reduce total and LDL cholesterol levels, and even lower risk of heart disease by up to 10%.

New study in mice shows promise for vaccine to prevent plaque buildup

A new peptide-based vaccine has been shown to reduce arterial plaque formation by 60-70% in mice with high cholesterol levels, according to a study led by Cedars-Sinai's P.K. Shah and the Swedish team of Gunilla Nordick-Fredricksson. The vaccine targets the major protein component of low-density lipoprotein (LDL) cholesterol.

Cholesterol bad for brain too, UCSF study says

A UCSF study found that high cholesterol levels are associated with poorer cognitive performance in elderly women. Using statins to lower cholesterol levels was linked to improved cognitive skills, suggesting a potential benefit for preventing Alzheimer's disease.

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.

USF presents new research on hyperlipidemic children

The study examined PON1 activity in children and adolescents with high lipid levels, finding associations between certain genotypes and HDL cholesterol levels. The researchers also found that dietary fat intake increased over time, contradicting expected trends in the nutritional intervention population.

Cave men diets offer insights to today's health problems, study shows

A recent study published in European Journal of Clinical Nutrition found that wild game meat and grass-fed beef contain a balance of essential fats, including healthy omega-3 fatty acids and lower levels of unhealthy omega-6 fat. This ratio is associated with reduced cholesterol levels and lower risk of cardiovascular 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.

Cholesterol-independent benefits of statins in cardiac hypertrophy

Researchers have discovered that statins can help alleviate symptoms of cardiac hypertrophy without affecting cholesterol levels. The findings suggest that statins may modulate signaling pathways involved in hypertrophic growth, leading to improved cardiovascular outcomes.

Meta Quest 3 512GB

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

Cholesterol and heart disease

Individuals with normal low-density lipoprotein (LDL) cholesterol may still be at increased risk of coronary artery disease (CAD), particularly if they carry additional risk factors like central obesity and insulin resistance. Targeting atherogenic dyslipidemia, including abdominal obesity, is recommended to prevent CAD risk.

Brain researchers discover bright side of ill-famed molecule

Brain researchers find that glial cells produce surplus cholesterol to support nerve cell growth and synapse formation. The discovery sheds new light on an often-disdained molecule and offers perspectives for neurobiological research and potential strategies to cure brain lesions.

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.

Study finds colesevelam effective in reducing LDL cholesterol

A randomized, double-blind trial found colesevelam significantly lowered mean LDL levels by up to 18% without serious adverse events. This effect was independent of sex or age, making colesevelam a useful therapeutic alternative for patients with mild to moderate primary hypercholesterolemia.

Diabetes control falling short among African Americans

A study found that African Americans with diabetes often lack adequate blood sugar and cholesterol control, leading to increased risk of complications. Poor prevention and management habits are prevalent, with many participants failing to receive recommended exams or monitoring their glucose levels regularly.

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.

Rethinking reverse cholesterol transport

Researchers reexamine the process of reverse cholesterol transport, a critical mechanism for removing excess cholesterol from peripheral tissues. The study reveals that this process may have both protective and detrimental effects on cardiovascular health.

Both genetics and diet influence cholesterol levels

A new study on identical twins found that genetics plays a predominant role in differences in cholesterol levels, but diet also significantly contributes to variations in cholesterol levels. The researchers controlled for genetic factors and found an environmental association between diet and cholesterol levels.

New international survey shows people are unaware of cholesterol risk

A new international survey reveals that people are largely unaware of their cholesterol risk, with 13% believing they're at high risk for heart disease. Despite having multiple risk factors, many individuals incorrectly assess their level of risk, highlighting the need for education and awareness campaigns.

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.

Abstention from filtered coffee may reduce heart disease risk factors

A study of 183 Norwegian participants found that abstaining from filtered coffee reduced total cholesterol and tHcy levels, while increasing folate levels. This reduction in risk factors may be attributed to the presence of terpenoids in coffee that are only partially removed during filtering.

Low cholesterol linked to increased mortality in elderly people

A large-scale population study found that low cholesterol concentrations were associated with higher death rates among elderly people. The study, which analyzed data from over 3,500 men aged 71-93, suggested that long-term persistence of low cholesterol concentration increases the risk of death.

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.

Gene link to increased risk of coronary heart disease found by scientists

Researchers found that a specific Apo-E gene variant increases the risk of coronary heart disease (CHD) in current smokers, with men carrying the E4 version facing a three times higher risk. The study suggests that quitting smoking can reduce this risk and highlights the importance of reducing smoking to avoid CHD.

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.

China Study II: Western diet might bring Western disease

The study found associations between increased consumption of animal-based foods and higher risks of various diseases, including cardiovascular disease, cancer, obesity, diabetes, and liver cancer. Plant-based diets were inversely associated with these health problems.

Cholesterol-lowering drug reduces strokes

A study found that the cholesterol-lowering drug pravastatin reduced stroke risk by 20% in patients with heart disease or high cholesterol. The medication also showed benefit when combined with aspirin and blood-pressure-lowering drugs, providing a new approach to preventing strokes.

Friends may not always soothe nerves in stressful situations

Research at Ohio State University found that having a same-sex friend present during a stressful event can increase cholesterol levels in women, countering previous studies on the benefits of social support. The study involved 40 healthy college-aged women who gave a speech with and without a friend.

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.

Smooth regulation of lipid metabolism

Researchers identified a novel gene target, SREBP-1c, which controls the expression of lipogenic enzymes. Synthetic compounds binding to LXRa were also discovered, offering potential therapeutic targets for treating disorders like diabetes and cardiovascular disease.

High cholesterol hinders the effectiveness of aspirin

A University of Maryland study found that high cholesterol hinders the effectiveness of aspirin in reducing platelet aggregation and preventing heart attacks. The study showed that 60% of patients with high cholesterol levels above 220mg/dL remained at increased risk despite taking daily aspirin doses.

Three-minute skin test measures cholestrol levels

A new non-invasive skin test can measure cholesterol levels in just three minutes, potentially offering a simple way to assess risk of heart disease. The test found that those with the highest skin cholesterol levels also had the greatest number of diseased arteries.

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.