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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

Is obesity a ciliopathy, triggered by malfunctioning primary cilia?

Researchers at the University of Alabama, Birmingham have found that mutations in primary cilia can disrupt the functioning of the melanin concentrating hormone receptor, leading to increased appetite and weight gain. This discovery sheds light on the potential link between ciliopathies, such as Bardet-Biedl syndrome, and obesity.

Why do some Mexican parents discourage teens' physical activity?

A University of Illinois survey found that Mexican college applicants who were physically active reported more conflict about exercise at home than those who were not. The study suggests that parents' cultural beliefs and attitudes towards physical activity can be a significant barrier to teens' engagement in regular exercise.

Nervous system activity may predict successful weight loss

A recent study found that resting muscle sympathetic nerve activity (MSNA) is a significant independent predictor of weight-loss outcome in overweight or obese subjects. Successful weight losers demonstrated large increases in nerve activity following a carbohydrate test meal.

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.

Growth hormone increases bone formation in obese women

A six-month growth hormone replacement study found increased bone formation, muscle mass, and decreased abdominal fat in abdominally obese women. The results suggest growth hormone as a potential treatment for postmenopausal osteoporosis.

Metabolic defects in mice corrected with transplanted embryonic neurons

Researchers have successfully transplanted immature neurons from healthy mouse embryos into adult mice with a genetic deficiency, restoring leptin signaling and partially normalizing their metabolism. The study demonstrates the potential of neuronal replacement therapy for treating metabolic disorders.

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.

Hefty impact of poor eating habits

A Concordia University study found that 25% of Canadians aged 31 to 50 exceed the safe limit of total calories derived from fats. Individuals who eat well are 20% less likely to be obese, according to the researchers.

Chew gum, lose weight

A team of scientists, led by Syracuse University chemist Robert Doyle, has successfully delivered the appetite-suppressing hormone PYY into the bloodstream orally using a vitamin B12 vehicle. The study demonstrates the potential for a natural weight loss supplement in the form of chewing gum.

Apple iPhone 17 Pro

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

On track to getting even fatter

According to Northwestern University researchers, over 83% of men and 72% of women will be overweight or obese in 2020. The implications of not improving cardiovascular health by 20% could lead to a reversal of declining rates of sickness and death from cardiovascular disease.

Enzyme boosts metabolism, prevents weight gain in mice

Scientists engineer mice to express human enzyme IKKbeta in fat tissue, significantly slowing weight gain and improving metabolism. The study suggests obesity is worse than inflammation for insulin resistance, offering new clues about the connections among obesity, inflammation, and type 2 diabetes.

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.

Eating fish can reduce the risk of diabetes

A Spanish study of 945 adults found that high fish consumption was linked to lower glucose concentrations and a reduced risk of developing diabetes. In contrast, excessive red meat consumption was associated with increased weight gain, obesity, and higher cardiovascular risk.

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.

Lose the fat and improve the gums, CWRU dental researchers find

A pilot study of 31 obese people with gum disease found that those who underwent gastric bypass surgery had better periodontal outcomes than those who did not. The researchers believe that removing excess fat cells may help reduce inflammation and improve the body's response to treatment.

Obese monkeys lose weight on drug that attacks blood supply of fat cells

Researchers developed a new anti-obesity medication that targets fat cells, reducing body weight and abdominal circumference in rhesus monkeys. The treatment showed promise in improving insulin resistance and reversing metabolic syndrome, potentially providing a non-surgical solution to obesity.

New research calls for lower limit to be set for South Asian obesity level

A new study suggests that migrant South Asians should be classified as obese with a BMI between 23-28 kg/m2, indicating a higher risk of developing diabetes and cardiovascular disease. The conventional definition of obesity may need to be lowered for this population to detect equivalent levels of cardiovascular risk.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Mediterranean diet and exercise can reduce sleep apnea symptoms

A Mediterranean diet combined with physical activity has been shown to improve some symptoms of sleep apnea, including reduced number of disturbances during REM sleep. This study found a greater adherence to the calorie-restricted diet and increased physical activity in the Mediterranean diet group compared to the prudent diet group.

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.

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.

Vitamin D study suggests no mortality benefit for older women

A new study led by Brown University found that vitamin D does not confer benefits against mortality in postmenopausal women, contrary to previous beliefs. The study controlled for key health factors like abdominal obesity and found no association between high or low levels of vitamin D and reduced risk of death.

IADR/AADR publish study on obesity link to periodontitis

Researchers found that specific microRNAs are up-regulated in obese individuals with healthy periodontium and non-obese subjects with periodontal disease. The study suggests microRNA modulation may play a role in modulating inflammatory pathways within periodontal tissues.

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 and depression independently increase health costs

A Group Health Research Institute study found that obesity is associated with higher health care costs, but not due to co-occurring depression. Similarly, depression is linked to increased costs, but not because of co-occurring obesity. The study's findings have significant economic implications for the general population.

Study: Obesity limits effectiveness of flu vaccines

A new study by University of North Carolina Health Care reveals that obesity impairs the immune system's ability to fight flu viruses. The research found that obese individuals experience a decline in antibody levels and defective CD8+ T cells after receiving the annual flu shot, making them more susceptible to flu illness.

CHEST 2011: Embargoed studies highlight new asthma research

A new study links obesity to increased airway hyperresponsiveness, indicating that obesity is a risk factor for asthma. Meanwhile, specialists' awareness of asthma guidelines does not necessarily lead to better adherence and implementation of management practices.

Women do not get enough vitamin D during the menopause

A recent study found that peri- and postmenopausal women in Spain have a deficient intake of vitamin D, which increases the risk of health problems. The average total intake was just 39% of the RDA for women of this age group.

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.

Obese women have higher risk of suffering breast cancer

A recent study published in Nutrición Hospitalaria found that obese women, particularly those with morbid obesity, develop breast cancer at a significantly earlier age. The researchers discovered that the age at first menstruation is a key factor in determining the development and diagnosis of breast cancer.

Research finding may lead to new treatments for obesity and Type 2 diabetes

Scientists at UC Metabolic Diseases Institute discover that targeted inhibition of CB1 receptor can increase calorie burning in brown adipose tissue, leading to reduced body weight and blood glucose. Further study aims to find a safer and more effective drug strategy for glucose regulation and weight loss.

Decade of effort yields diabetes susceptibility gene

A study published in PLOS Genetics identified a gene and protein involved in regulating insulin secretion in obese mice. The researchers found that a single amino acid difference in the tomosyn-2 protein destabilizes it, leading to an insufficient insulin response and diabetes susceptibility.

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.

A hormone that fights fat with fat

Scientists at Sanford-Burnham discovered that orexin activates calorie-burning brown fat in mice, suggesting potential for new obesity treatments. The hormone is associated with increased energy expenditure and weight loss.

Green tea helps mice keep off extra pounds

Obese mice fed green tea supplement gained weight 45% more slowly than control group, suggesting EGCG limits fat absorption and enhances fat use. Green tea did not suppress appetite and a person would need to drink ten cups daily to match study amount.

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.

Frequently used weight-loss method is light on evidence

A newly published Cochrane systematic review reveals that the transtheoretical model stages of change (TTM SOC) method is ineffective in achieving significant weight loss. The study found that TTM SOC resulted in only 2kg or less weight loss, and no conclusive evidence of sustained weight loss was observed.

Stress hormones may increase cardiovascular risks for shift workers

A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found a link between shift work and increased cortisol levels. This association was discovered in individuals working shifts at a young age and may contribute to cardiovascular risk.

Fatty acid test: Why some harm health, but others help

Researchers at the University of California San Diego have identified unsaturated and polyunsaturated fats from plants and cold-water fish as beneficial for health. These fats block JNK activation by saturated fatty acids, which are linked to adverse health effects.

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.

Easily embarrassed? Study finds people will trust you more

A recent study by researchers at the University of California, Berkeley, suggests that embarrassment can be a positive trait, fostering trust and cooperation in everyday life. Subjects who were more easily embarrassed reported higher levels of monogamy and generosity, indicating a stronger tendency to affiliate with others.

Cell dysfunction linked to obesity and metabolic disorders

Scientists at Karolinska Institutet found that fat cells in overweight people have a higher capacity for storing fats but a lower capacity for ridding themselves of them. This can lead to an accumulation of triglycerides and cholesterol in the blood, increasing the risk of metabolic diseases.

'Belly fat' linked to development of asthma

A new study finds that central obesity is a risk factor for asthma in adults, with those who are both centrally obese and overall obese being at highest risk. Researchers followed over 23,000 adults without asthma for 11 years to investigate the link between belly fat and lung disease.

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.

Joslin researchers identify pathways leading to activation of good fat

Researchers at Joslin Diabetes Center have identified two molecular pathways that activate brown fat, a type of fat that burns energy rather than storing it. The study provides new opportunities to stimulate brown fat growth, which could lead to the development of treatments for obesity and diabetes.

Study: Overweight older women have less leg strength, power

A new study from the University of New Hampshire finds that overweight older women have less leg strength and power than normal-weight counterparts, which can lead to increased disability and loss of independence. The study suggests that maintaining a normal weight and improving strength through exercise may help mitigate this risk.

High-calorie food 'looks' different to obese individuals

Researchers found that obese individuals' brains respond less to visual cues of high-calorie foods due to impaired glucose regulation. In contrast, non-obese individuals with normal glucose levels exhibit a stronger desire for these foods when triggered by food cues.

Healthy lifestyle habits lower heart failure risk

Research found that engaging in one healthy lifestyle behavior can decrease heart failure risk, while each additional behavior further reduces the risk. Key findings include: regular physical activity and a diet rich in vegetables lowering risk by 21-33% and 26-27%, respectively.

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.

Scientists discover switch that turns white fat brown

Researchers at Ohio State University Medical Center found a biological switch that converts white fat to brown fat, leading to reduced abdominal fat mass and improved metabolism. The discovery uses environmental enrichment to activate a nerve and biochemical pathway that stimulates the transformation.

Celestron NexStar 8SE Computerized Telescope

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

Hot flashes may be fewer in older, heavier women

A recent study found that heavier women have fewer hot flashes than their leaner counterparts after menopause. The inverse association between body size and hot flashes was observed only among older women, suggesting that age plays a significant role in this relationship.

Free radicals crucial to suppressing appetite

Researchers found that elevating free radical levels suppresses appetite in obese mice by activating satiety-promoting neurons. This process is driven by hormones leptin and glucose, which signal the brain to modulate food intake.

Slim down by targeting the hormone uroguanylin

Researchers have identified a potential new target for treating obesity by studying the molecular control of appetite in mice. Nutrient intake triggers the secretion of uroguanylin, which is then converted to uroguanylin and binds to GUCY2C receptors, leading to decreased food intake.