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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

New way of fighting high cholesterol upends assumptions

Researchers have upended assumptions on how high cholesterol leads to inflammation and atherosclerosis. Desmosterol, a precursor to cholesterol, has been found to suppress inflammatory response genes and regulate cholesterol balance.

Sesame and rice bran oil lowers blood pressure, improves cholesterol

A new study found that cooking with a blend of sesame and rice bran oils significantly lowers blood pressure and improves cholesterol levels. The researchers discovered that the oil blend works nearly as well as a commonly prescribed high blood pressure medication, with even more impressive results when used in combination.

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.

URMC geneticists verify cholesterol-cancer link

Researchers at URMC found that defective cholesterol exportation appears to be a key component in various cancers. They demonstrated that re-establishing the cholesterol export function in human colon cancer cells inhibited tumor growth.

Photographic cholesterol test

Researchers in India have developed a non-invasive approach to determine total cholesterol levels using image processing and a database of known cholesterol levels. The test uses a digital camera to capture the back of a patient's hand and compares it with images in a database for accurate cholesterol readings.

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.

Cholesterol levels appear to be improving among US youths

A recent study found that average total cholesterol levels among US children and adolescents decreased between 1988-1994 and 2007-2010. Additionally, there was a decrease in prevalence of elevated non-HDL-C, LDL-C, and triglycerides among this age group.

BUSM study identifies receptor's role in regulating obesity, type 2 diabetes

Researchers found that activation of A2b-type adenosine receptor reduces insulin and glucose levels and improves symptoms of high-fat diet-induced type 2 diabetes. The study identified a novel link between A2bAR and insulin signaling, providing new insights into the regulation of glucose and insulin homeostasis.

Physicians' focus on risks for stroke and dementia saved lives, money

A German study found that focusing on high blood pressure, smoking, high cholesterol, diabetes, irregular heartbeat, and depression reduced the need for long-term care by 10% in women and 9.6% in men. The study also showed a decrease in death rates, with 2,112 expected deaths vs. 1,939 actual deaths.

High-density lipoprotein still matters, look at the particles!

Researchers at Brigham and Women's Hospital discovered that analyzing HDL particle count provides stronger cardio-protection than traditional HDL cholesterol measurement. The study suggests that raising HDL levels through other means may be more effective in preventing coronary heart disease.

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

New animal model may lead to treatments for common liver disease

Scientists have created a new laboratory opossum model to study nonalcoholic steatohepatitis (NASH), a common liver disease affecting up to 15 million Americans. The study found that high responders carried a mutated ABCB4 gene, leading to cholesterol accumulation in the liver and potential development of NASH.

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Studying fish to learn about fat

Researchers at Carnegie Institution have developed a method to observe lipid metabolism in live zebrafish, revealing new aspects of lipid absorption that could improve human health. The technique enables scientists to study the process by which proteins mediate fatty acid uptake and cholesterol transport.

Intensive cholesterol therapy with multiple drugs effective over long term

A study published in the National Lipid Association Annual Scientific Sessions has shown that intensive cholesterol therapy involving a combination of drugs can be more effective over the long run than taking a single statin medication. After 20 years, patients on combination therapy had lower LDL and triglyceride levels, higher HDL, a...

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.

'Bad' dieting increases cardiovascular disease risk

A 25-year study in Northern Sweden found that a switch to low-carbohydrate diets after reducing fat intake led to an increase in cholesterol levels, indicating a higher cardiovascular risk. Despite initial success in reducing cholesterol levels through dietary changes, the population's BMI continued to rise over time.

VCU researchers identify changes in cholesterol metabolic pathways

A new study from VCU School of Medicine has identified molecular changes that may explain the severity of liver disease and risks to heart health in patients with fatty liver. The findings suggest increased cholesterol production and decreased expression of a receptor that takes up cholesterol, leading to cardiovascular disease.

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Alzheimer's protein structure suggests new treatment directions

Researchers at Vanderbilt University discovered a new therapeutic strategy to reduce amyloid-beta production in Alzheimer's disease. By understanding how cholesterol binds to the amyloid precursor protein, they found that blocking this interaction could prevent amyloid-beta generation and treatment of dementia.

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.

Study finds cancer-fighting goodness in cholesterol

Researchers at Simon Fraser University found that cholesterol-binding proteins called ORPs can control cell growth, potentially slowing down cancer cells. Genetic changes blocked the ability of these proteins to bind cholesterol, but altered ORPs actually stimulated cell growth by activating regulator proteins.

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.

JCI early table of contents for April 9, 2012

Researchers have made significant advancements in treating autoimmune diabetes by harnessing the power of gut bacteria. Additionally, studies on cancer treatment and tumor growth have revealed that vascular normalization can prevent dangerous side effects while enhancing anti-tumor effects. Furthermore, scientists have discovered a coo...

Eliminating the 'good cholesterol' receptor may fight breast cancer

Researchers at Thomas Jefferson University found that eliminating the 'good cholesterol' receptor SR-BI can decrease breast cancer cell growth and tumor formation in mice. This study suggests a potential new approach to fighting breast cancer, with further research needed to fully characterize its role.

JCI early table of contents for April 2, 2012

Researchers discovered a novel signaling pathway involving SIX1 and VEGF-C that plays a crucial role in breast cancer metastasis. The study showed that this pathway can be targeted to develop new anti-cancer therapies.

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.

Hot pepper compound could help hearts

A study published in the American Chemical Society found that capsaicinoids, a compound in chili peppers, can lower cholesterol levels and increase blood flow to the heart. The compounds may also reduce the formation of atherosclerotic plaques in blood vessels.

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.

Lowering LDL, the earlier the better

New research shows that lowering LDL cholesterol beginning early in life can lead to a significant reduction in the risk of coronary heart disease. The study found that a consistent 50-60% reduction in CHD risk was associated with each 1 mmol/L lower lifetime exposure to LDL cholesterol.

Antibody injection lowers LDL, adding to effectiveness of statin therapy

A novel monoclonal antibody, SAR236553/REGN727, has been shown to dramatically lower circulating LDL cholesterol by 40-72% in patients, providing a potential new treatment option for those resistant to statins. The study's results demonstrate a dose-response effect, with higher doses resulting in greater reductions in LDL cholesterol.

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.

More frequently eating chocolate appears related to lower BMI

A study of 1018 adults found that those who consumed chocolate more frequently had a lower body mass index (BMI) compared to those who ate it less often. The researchers also found a positive association between chocolate consumption and improved metabolic health, including lower blood pressure and insulin sensitivity.

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.

How good cholesterol turns bad

Researchers at Berkeley Lab found structural images of CETP interacting with HDLs and LDLs, revealing a tunnel mechanism that facilitates cholesterol transfer. This discovery supports the design of next generation CETP inhibitors to prevent heart disease.

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

High triglyceride levels found to predict stroke in older women

Researchers found high triglyceride levels strongly predict ischemic stroke in postmenopausal women, exceeding the risk associated with cholesterol levels. The study analyzed data from over 900 women who experienced strokes, revealing a nearly two-fold increased risk for those in the highest triglyceride quartile.

Triglyceride levels predict stroke risk in postmenopausal women

A recent study published in Stroke journal found that high triglyceride levels are a stronger predictor of stroke risk in postmenopausal women than previously thought. Researchers analyzed data from over 90,000 women and discovered that those with the highest triglyceride levels were nearly twice as likely to suffer an ischemic stroke.

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.

Will you have a heart attack or stroke?

A Northwestern University study reveals that individuals with low short-term risk may face very high lifetime risk of heart disease if they have just one or two risk factors, such as high cholesterol or blood pressure. The study found significant variations in risk by age, sex and race.

Lifestyle counseling reduces time to reach treatment goals for people with diabetes

A large-scale study found that lifestyle counseling significantly reduces time to reach treatment goals for people with diabetes, with those receiving regular counseling achieving lower blood glucose, blood pressure, and cholesterol levels. The study suggests that incorporating counseling into routine care can be an effective strategy ...

Entry point for hepatitis C infection identified

Researchers at the University of Illinois College of Medicine have identified a molecule embedded in liver cells that enables hepatitis C virus entry. Ezetimibe, an FDA-approved cholesterol drug, has been shown to inhibit HCV infection and may provide a new treatment option for patients.

Tiny amounts of alcohol dramatically extend a worm's life, but why?

Researchers found that minuscule amounts of ethanol double the life span of a tiny worm, while higher concentrations are harmful. The discovery raises intriguing possibilities for human health benefits, but more research is needed to understand the mechanism behind this effect.

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.

Benefits of statin therapy may extend beyond lowering lipids

Researchers discovered that statin therapy can reduce blood clotting by targeting the expression of inducible tissue factor, a molecule that triggers abnormal clotting. Elevated levels of oxidized LDL induce tissue factor, which contributes to the formation of an occlusive thrombus after plaque rupture.

Having a cow can be a heart healthy choice

A new study from Penn State suggests that lean beef can be part of a heart-healthy diet when saturated fat levels are controlled. The DASH diet, which emphasizes plant protein foods and fish, was compared to two other diets: Beef in an Optimal Lean Diet (BOLD) and BOLD plus additional protein.

New Research Demonstrates Lean Beef is Good for Heart Health

A new study published in American Journal of Clinical Nutrition found that diets including lean beef every day are as effective in lowering total and LDL 'bad' cholesterol as the 'gold standard' of heart-healthy diets. Participants experienced a 10% decrease in LDL cholesterol from consuming 4.0 oz/day of lean beef daily.

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.

New advance announced in reducing 'bad' cholesterol

Researchers from the University of Leicester and UCLA have made a major breakthrough in developing targeted drugs to lower 'bad' cholesterol levels. By targeting the enzyme IDOL, scientists aim to increase LDL receptor production, thereby lowering circulating cholesterol levels in humans.

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.

With mutation, you can have your cream and eat it, too

A study found that individuals carrying a mutant gene associated with high HDL cholesterol can more efficiently clear triglycerides from their system. This discovery provides new insights into the role of glycosylation in lipid metabolism and has implications for the treatment of heart disease.