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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

Middle-aged men, women not equal in heart attack risk

A new study found that middle-aged men are at a greater risk for having a first heart attack due to high cholesterol levels, unlike women who are also at risk but to a lesser extent. The study suggests that men with high cholesterol should be treated more aggressively to prevent infarctions and save lives.

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.

Nordic diet lowers cholesterol, study finds

A healthy Nordic diet is shown to lower cholesterol levels and reduce inflammation associated with pre-diabetes. The diet's emphasis on local produce, whole grains, and lean protein sources contributes to its benefits.

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.

Cholesterol sets off chaotic blood vessel growth

Researchers at UC San Diego identified apoA-I binding protein as a key player in regulating blood vessel growth by removing excess cholesterol from endothelial cells. This process inhibits angiogenesis and can help prevent tumor growth.

Work-related stress linked to increased blood fat levels

Researchers found that job stress is associated with an altered lipid profile, leading to higher rates of 'bad' cholesterol and lower levels of 'good' cholesterol. This can increase the risk of cardiovascular disease. The study analyzed data from over 90,000 workers and found a significant link between job stress and dyslipidemia.

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.

Multilingual survey research: Do poor translations cause bias?

A new study found that consumers are more likely to endorse certain responses on agreement scales when labels are familiar to them. This can lead to biased survey results if the labels are not equivalent across languages. Researchers recommend paying closer attention to response category labels to avoid such biases.

Exit discovered in cellular garbage truck

A team of researchers led by Professor Jean Gruenberg has identified an exit in the cellular garbage truck, a structure responsible for sorting molecules and ensuring inter-cell digestion and regulation. The study reveals how Alix protein uses this route to avoid cellular digestion and how vesicular stomatitis uses it to infect cells.

Whole walnuts and their extracted oil improve cardiovascular disease risk

Researchers found that whole walnuts and their extracted oil improve cardiovascular disease risk by favorably affecting vascular health and enhancing the functionality of good cholesterol, HDL. The study suggests that simple dietary changes incorporating walnuts or their oil in a heart-healthy diet may reduce the risk of heart disease.

Heart-healthy diet helps men lower bad cholesterol, regardless of weight loss

A heart-healthy Mediterranean diet helped men at high risk for heart disease reduce their bad cholesterol levels by 9%, regardless of whether they lost weight. This finding suggests that the Mediterranean-style diet may be recommended for effective management of metabolic syndrome and related cardiovascular risks.

Apple iPhone 17 Pro

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

Secondhand smoke presents greater threat to teen girls than boys

Exposure to secondhand smoke at home has been linked to lower levels of 'good' cholesterol in teenage girls, increasing their risk of heart disease. The study found that 17-year-old girls exposed to passive smoking had declined HDL cholesterol levels, making them more vulnerable to cardiovascular disease.

Cholesterol increases risk of Alzheimer's and heart disease

Researchers discovered that high cholesterol levels can cause defective cell division, leading to Alzheimer's disease and atherosclerosis. Cholesterol disrupts the process of cell division, resulting in cells with incorrect numbers of chromosomes and genes.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

U-M researchers find new way to clear cholesterol from the blood

Researchers at the University of Michigan identified a new potential therapeutic target for lowering cholesterol, inhibiting a gene responsible for transporting a protein that interferes with liver cell function. This approach preserved the liver's capacity to clear plasma cholesterol from the blood without affecting overall health.

New gene associated with almost doubled Alzheimer's risk in African-Americans

African-Americans with a variant of the ABCA7 gene have nearly double the risk of developing late-onset Alzheimer's disease compared to those without the variant. The study, led by Columbia University Medical Center, suggests that lipid metabolism may play a more important role in Alzheimer's disease among African-Americans.

Cholesterol rafts deliver drugs inside cancer cells

Researchers at the University of Colorado Cancer Center have developed a new technology that uses cholesterol rafts to deliver genetic payloads into cancer cells. This innovative approach overcomes the long-standing challenge of delivering nucleic acids across cell membranes.

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.

Cholesterol buildup links atherosclerosis and macular degeneration

Researchers found that age-related macular degeneration shares a common link with atherosclerosis due to impaired cholesterol efflux in macrophages. The study suggests that cholesterol-lowering eye drops or other medications could prevent vision loss caused by macular degeneration.

Targeting cholesterol buildup in eye may slow age-related vision loss

A study published in Cell Metabolism suggests that targeting cholesterol metabolism in the eye may prevent severe age-related macular degeneration. Researchers found that macrophages play a key role in clearing cholesterol from the eye, and that with aging, these cells become less efficient at this task.

Fluke 87V Industrial Digital Multimeter

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

Lymphatic vasculature: A cholesterol removal system

Researchers have found that the lymphatic system is crucial for removing cholesterol from peripheral tissues, including artery walls. The study suggests that therapies supporting lymphatic transport could enhance cholesterol clearance and potentially treat atherosclerotic vascular disease.

JCI early table of contents for March 25, 2013

Researchers characterized SUDEP in a mouse model of DS, finding that treatment with drugs reducing parasympathetic activity reduced incidence. Lymphatic vasculature also plays crucial role in cholesterol removal from arteries, with impaired lymphatic growth leading to increased cholesterol retention. A new therapeutic target is identif...

Niacin therapy shows no benefits, has some harmful effects

The HPS2-THRIVE study found that niacin therapy provides no benefit and may even be harmful for patients with vascular disease. The study showed a higher incidence of bleeding, infections, new onset diabetes, and gastrointestinal problems among those receiving the drug.

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.

The side effects of statin ads

Exposure to statin TV ads was linked to higher rates of high cholesterol diagnosis and statin use, especially among those at low risk for heart disease

Cholesterol levels rise, fall with changing seasons

Researchers found that LDL cholesterol increases by an average of 7mg/dL in winter compared to summer, resulting in a 8% overall increase in high cholesterol prevalence. Seasonal variations in metabolism and behavior may contribute to these changes.

Lipid researcher, 98, reports on the dietary causes of heart disease

A study by 98-year-old researcher Fred Kummerow found that oxidized lipids contribute to heart disease by increasing calcium deposition on the arterial wall and interrupting blood flow. Oxidized cholesterol was also linked to an increased synthesis of a blood-clotting agent, thromboxane.

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.

Research discovers gene mutation causing rare eye disease

Researchers at LSU Health Sciences Center have identified a new gene mutation causing Schnyder corneal dystrophy, a rare hereditary eye disease. The mutation is linked to vitamin K metabolism and may lead to the development of a new treatment using vitamin K supplements.

New look at cell membrane reveals surprising organization

Researchers discovered that sphingolipids form larger domains than expected, clustering together to create micrometer-sized patches in the membrane. The presence of cholesterol affects lipid aggregation, but its role is more complex than initially thought.

New look at cell membrane reveals surprising organization

A new study by University of Illinois researchers reveals that lipids in the cell membrane form larger domains than previously thought, with cholesterol playing a key role in their organization. The findings challenge current understanding of cell membrane structure and function.

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.

New way to kill lymphoma without chemotherapy

Researchers at Northwestern University discovered a new nanoparticle that kills B-cell lymphoma cells by depriving them of natural HDL cholesterol. The nanoparticle, which mimics the size and shape of HDL particles, blocks cholesterol from entering cancer cells, leading to cell death.

Overlooked ugly cholesterol causes heart disease

A new study of 73,000 Danes found that 'ugly' cholesterol, a type of remnant-like particle cholesterol, is the direct cause of arteriosclerosis and ischaemic heart disease. High levels of ugly cholesterol triple the risk of heart disease, emphasizing the need for preventive treatment and lifestyle changes.

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 medicine affects energy production in muscles

Researchers at the University of Copenhagen have identified a mechanism underlying statin-induced muscle pain, which may be related to low energy production in muscles due to Q10 depletion. Statins, commonly used to treat high cholesterol levels, can affect skeletal muscle function and lead to muscle weakness and pain.

Cholesterol helps regulate key signaling proteins in the cell

A study published in Nature Communications reveals that cholesterol regulates key signaling proteins in cells, challenging existing views on its role in heart disease. The research found that cholesterol interacts with a scaffolding protein to activate its partner, shedding light on the importance of cholesterol in cellular processes.

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.

Host cholesterol secretion likely to influence gut microbiota

A study published in Applied and Environmental Microbiology found that changes in dietary cholesterol can alter the gut flora, leading to a shift in bacterial populations. The researchers discovered that this change triggered an increase in cholesterol excretion into the gut, which in turn affected the abundance of certain bacterial taxa.

Use 'em, don't lose 'em! Eating egg yolks adds nutritious benefits

A recent study suggests that consuming whole eggs can improve lipid profiles in individuals with metabolic syndrome, reducing triglycerides and increasing HDL cholesterol levels. Egg yolks are also a rich source of antioxidants and nutrients like vitamin D, choline, and lutein.

Letter from doctor boosts cholesterol medication use

A new study found that using electronic health records (EHRs) can identify patients at high risk for cardiovascular disease and encourage them to receive cholesterol-lowering medication. The study showed that patients who received personalized risk assessments via mail were twice as likely to receive a prescription for lipid-lowering m...

Meta Quest 3 512GB

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

Vitamin D may prevent clogged arteries in diabetics

Research found that people with diabetes who have adequate vitamin D are less likely to develop clogged arteries. In contrast, insufficient vitamin D leads to immune cells binding to blood vessels and trapping cholesterol.

Penn Medicine's Daniel J. Rader, M.D., receives AHA's Clinical Research Prize

Daniel J. Rader, MD, has been awarded the American Heart Association's (AHA) Clinical Research Prize for developing new methods to identify factors regulating fat particle metabolism and testing their impact on atherosclerosis. His research focuses on genetic and pharmacologic regulation of lipoprotein metabolism and atherosclerosis.

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.

Softening arteries, protecting the heart

A study by researchers at the University of Pennsylvania School of Medicine found that apolipoprotein E (apoE) plays a key role in maintaining arterial softness. The protein is associated with the production of collagen and other extracellular matrix proteins, which contribute to cardiovascular disease risk.

High blood cholesterol is overlooked

A new study from the University of Copenhagen reveals that high blood cholesterol is far more prevalent in Denmark and globally than previously recognized. The research found 40,000 Danes with hereditary high blood cholesterol, a significant underdiagnosis and undertreatment of this serious disease.

Canadian scientists discover cause of high cholesterol

A new study reveals that resistin, secreted by fat tissue, increases 'bad' cholesterol levels and accelerates artery plaque buildup. The discovery could lead to revolutionary new therapeutic drugs targeting resistin, improving statin effectiveness.

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.

Large international study finds 21 genes tied to cholesterol levels

A large international study has identified 21 new gene variants associated with risks of heart disease and metabolic disorders. The findings expand the list of potential targets for drugs and other treatments for lipid-related cardiovascular disease, a leading global cause of death and disability.