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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

Obesity drives US health care costs up by 29 percent, varies by state

The prevalence of obesity in the US has risen dramatically, but its economic impact on individual states is less understood. A recent study found that health care costs devoted to treating obesity-related illness vary significantly across states, with some spending over 12 percent of their total medical expenditures on obesity treatment.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

How exercise training promotes a sound mind in a sound body

A new study from Karolinska Institutet shows that exercise training enhances fat metabolism and strengthens the anti-inflammatory properties of the immune system. Daily doses of kynurenic acid activated cell receptor GPR35, converting white fat to energy-burning brown fat.

Is a pear -- or apple-shape physique best for our brains?

Dr. Alexis M. Stranahan's study suggests that an apple-shaped physique, characterized by fat depositing around the abdominal cavity, may be worse for the brain than previously thought. Conversely, subcutaneous fat under the skin appears to protect the brain from cognitive decline.

Apple iPhone 17 Pro

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

Obese men may have higher chance of recurrence following radical prostatectomy

A large retrospective study found that obese men and those with metabolic syndrome had a higher risk of biochemical recurrence after radical prostatectomy. Patients with obesity had a 32% higher chance of recurrence compared to those with normal weight, while those with metabolic syndrome had over four-fold increased risk.

Learning to make healthy choices can counter the effects of large portions

A recent study by Penn State researchers found that training individuals in portion-control strategies can lead to healthier food choices and reduced overall calorie intake. The study showed that even when given larger portions, participants who received training chose lower-calorie-dense foods and consumed fewer calories.

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.

Fat cat? Here's how much to feed to lose weight

A new study from the University of Illinois explains what it takes to get a cat to slim down, targeting a safe level of weight loss and maintaining lean mass. The researchers found that reducing food intake by 20% compared to a maintenance diet was necessary to achieve this goal.

Will supplements help your workout or diet routine?

The Office of Dietary Supplements at NIH has released two new resources to help people understand the effectiveness and safety of dietary supplements promoted for fitness and weight loss. The fact sheets cover over 20 ingredients found in these products, including antioxidants, creatine, and protein.

Dietary fiber protects against obesity and metabolic syndrome, study finds

A study led by Georgia State University found that dietary fiber inulin prevented metabolic syndrome by restoring gut microbiota levels, increasing intestinal epithelial cell production, and regulating interleukin-22 expression. This study suggests that fermentable fibers like inulin may promote better health by suppressing obesity and...

Morbid obesity: Gastric bypass and sleeve gastrectomy are comparable

Researchers from the University of Basel found that gastric bypass and sleeve gastrectomy surgeries result in similar weight loss outcomes, with patients losing two-thirds of excess weight. Additionally, gastric bypass showed better results in reducing symptoms of gastric acid reflux.

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AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Does benefit of weight-loss surgery for patients with diabetes persist over time?

Obese adults with type 2 diabetes who underwent gastric bypass surgery showed improved blood sugar control, cholesterol management, and reduced blood pressure after five years. However, the improvement in achieving these targets diminished over time, suggesting that longer follow-up is needed to understand the persistent benefits of we...

Weight-loss surgery associated with lower rate of death

A retrospective cohort study found that bariatric surgery is associated with a lower risk of death from any cause compared to nonsurgical obesity management. The study analyzed data from over 8,000 patients who underwent weight-loss surgery and 25,000 who received nonsurgical care.

Bariatric surgery prolongs lifespan in obese

A study published in JAMA found that bariatric surgery prolongs lifespan in obese individuals, with a 50% lower death rate compared to traditional medical treatment. The study tracked 33,540 obese individuals for up to 10 years and revealed that women have the majority of bariatric surgery.

Rising obesity and mortality rates in the United States

Rising US obesity has been linked to exceptionally slow mortality rate improvements and increased life expectancy gaps with other wealthy countries. The study found that a 0.54% reduction in annual death rate gains was associated with the rise in maximum lifetime body mass index.

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Genetic alteration can cause obesity among Greenlanders

Researchers have identified a specific gene, ADCY3, that predisposes Greenlanders to obesity and diabetes when it is inactive. The study, published in Nature Genetics, found that 4.4% of test subjects had the gene inactive, leading to significant weight gain and increased risk of diabetes.

Brain-cell 'antenna' may be key to understanding obesity

Researchers at UCSF have discovered that primary cilia on brain cells play a crucial role in signaling appetite control. Mutations in the MC4R gene, found in nearly all cases of severe obesity, are linked to impaired communication between neurons via primary cilia.

Could sugar be responsible for the obesity and diabetes epidemics?

Experts argue that sugar may play a key role in obesity and type 2 diabetes due to its unique metabolic effects, potentially beyond just excess calories. The World Health Organization describes the twin epidemics as a 'slow-motion disaster,' but critics say current recommendations targeting only calories are insufficient.

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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Blacks' high diabetes risk driven by obesity, not mystery

A new Northwestern Medicine study finds that blacks have the same risk of developing diabetes as whites when all biological factors are considered over time. Obesity is identified as the primary cause of early onset diabetes in blacks, with black women developing diabetes at triple the rate of white women.

Obesity prevented in mice fed high-fat diet

Researchers at WashU Medicine identified a way to prevent fat cells from growing larger, leading to weight gain and obesity. By activating a specific protein pathway in mice, they found that high-fat diets did not lead to obesity.

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.

'Obesity paradox' not found when measuring new cases of cardiovascular disease

A new study by NYU College of Global Public Health and the University of Michigan found no evidence of an 'obesity paradox' among people with new cases of cardiovascular disease. This contradicts prior research that suggested obesity may be associated with improved survival in people with existing cardiovascular disease. The study used...

McMaster researchers find genes may 'snowball' obesity

Researchers at McMaster University have identified nine genes that contribute to weight gain in individuals with a high body mass index. These genes can amplify weight gain by up to four times, making them a significant factor in the development of extreme forms of obesity.

Penn researchers link binge eating and weight-loss challenges

A study published in Obesity found that individuals with Type 2 diabetes and obesity who continue to binge eat while trying to lose weight drop significantly less weight than those who don't or stop binge eating. Researchers recommend targeting treatment for this behavior, such as cognitive behavioral therapy.

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.

Studies examine the effects of weight on patients with rheumatoid arthritis

Research indicates that being overweight or obese can lead to poorer RA treatment outcomes and higher mortality risk. Studies show that patients with healthy weights are more likely to achieve remission, while those who are overweight or obese face a 25-47% lower chance of sustained remission despite similar treatments.

Global longitudinal study confirms obesity increases dementia risk

A global longitudinal study confirmed that people with high body mass index (BMI) are more likely to develop dementia than those with normal weight. The study analyzed data from over 1.3 million adults in the US and Europe, finding that individuals near dementia onset tend to have lower body weight.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Weight loss through exercise alone does not protect knees

A new study found that weight loss through diet and exercise significantly slows down the degeneration of knee cartilage in obese individuals. However, weight loss achieved solely through exercise had no significant impact on cartilage degeneration, suggesting that a balanced approach involving diet is crucial for protecting the knees.

Type 2 diabetes, it all starts in the liver

Researchers from UNIGE have identified a key role for the liver in the development of type 2 diabetes, linked to obesity and inflammation. By targeting the protein PTPR-γ, scientists may uncover new therapeutic strategies to prevent insulin resistance and related metabolic conditions.

Cinnamon turns up the heat on fat cells

New research reveals cinnamaldehyde's ability to induce thermogenesis in fat cells, improving metabolic health. The compound may offer a non-pharmacological approach to combating obesity and related health issues.

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.

Diabetes: Immune system can regulate insulin

Scientists at University of Basel find feedback mechanism to maintain insulin production in overweight patients, using ILC2 immune cells and retinoic acid. The study highlights the complex interactions between endocrine and immune cells in regulating insulin release.

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.

Pre-diabetes discovery marks step towards precision medicine

Researchers have identified a three-molecule signature that accurately indicates insulin resistance, or pre-diabetes, in mice. This discovery could enable earlier detection of pre-diabetes in humans and tailor healthcare treatments to individual patients' needs.

Gene prompts cells to store fat, fueling obesity

A genetic variant in ankyrin-B gene causes cells to store more fat, leading to obesity. This variant is carried by millions of Americans and can be identified through family history and physiological traits.

Fluke 87V Industrial Digital Multimeter

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

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.

Calorie counts on menus make a difference

A comprehensive study reveals that displaying calories on menus reduces consumer calorie intake by 27 calories per meal, while retailers respond by offering more low-calorie options.

High protein diets point to new anti-obesity treatments

A new study found that phenylalanine reduces food intake by affecting the gut and brain, suggesting it may be used to treat or prevent obesity. The amino acid suppressed appetite by releasing hormones in the gut and activating areas of the brain involved in appetite regulation.

The fight against obesity: To tax or not to tax?

The prevalence of obesity in the UK has almost doubled over two decades, with food taxes being suggested as a measure to correct this trend. However, experts disagree on its effectiveness, with some arguing it is too simplistic and overlooks other factors influencing obesity.

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

Obesity increases incidence, severity, costs of knee dislocations

A study of over 19,000 knee dislocation cases found obesity increases complications and costs of care. Obese patients are more likely to experience vascular injury, which can lead to amputation if left untreated. Hospital stays for obese patients with vascular injury were 15.3 days, costing $131,478 on average.

Several reasons why whole grains are healthy

A large Danish study found that whole grains reduce inflammation in the body and lead to weight loss in overweight adults. The study suggests that choosing whole grains over refined grains can have numerous health benefits, particularly for individuals at risk of cardiovascular disease or type 2 diabetes.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Why do some obese people have 'healthier' fat tissue than others?

Researchers at the University of Michigan found that some obese adults store their body fat more healthily than others, breaking down fat at slower rates and having fewer inflammatory cells. Aerobic exercise may lead to healthier fat storage, with regular exercisers showing increased blood vessels in their fat tissue.