Bluesky Facebook Reddit Email

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

NIH study finds women spend longer in labor now than 50 years ago

A recent NIH study found that women take longer to give birth today compared to 50 years ago, with an average increase of 2.6 hours for first-time mothers. The study suggests that changes in delivery practices, including the increased use of epidural anesthesia and oxytocin, may be contributing to the longer labor duration.

Regular chocolate eaters are thinner

A new study by the University of California, San Diego, suggests that regular chocolate eaters are actually thinner than those who don't consume chocolate regularly. The research found a modest but significant association between chocolate consumption and lower body mass index, regardless of calorie intake or exercise habits.

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.

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.

Study suggests link between H. pylori bacteria and adult Type 2 diabetes

A recent study published in The Journal of Infectious Diseases found a significant association between H. pylori bacteria and elevated glycosylated hemoglobin (HbA1c) levels in adults, particularly those with obesity. This link suggests that the bacteria may play a role in the development of type 2 diabetes.

Apple iPhone 17 Pro

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

Assessing the value of BMI screening and surveillance in schools

Experts weigh the benefits and drawbacks of routine BMI screening in schools, considering data sharing with parents. The discussion aims to empower individuals, families, and educators to address childhood obesity through compassionate and constructive strategies.

Lumbar disc degeneration more likely in overweight and obese adults

A large study found that overweight and obese adults are more likely to have disc degeneration than those with a normal body mass index. Disc degeneration was associated with an increased number of levels of degenerated disks and greater severity of disc degeneration, including narrowing of the disc space.

Physician's weight may influence obesity diagnosis and care

A new study led by Johns Hopkins Bloomberg School of Public Health found that physicians' body mass index (BMI) influences obesity diagnosis and care. Physicians with normal BMI were more likely to engage obese patients in weight loss discussions and diagnose obesity if they perceived the patient's BMI met or exceeded their own.

Prevalence of obesity in US still high, with little change in recent years

According to the study published in JAMA Network, the age-adjusted prevalence of obesity among US adults remains at 35.7%, while children and teens show a higher prevalence of obesity, with significant increases in certain demographics, particularly among non-Hispanic black men and Mexican American women.

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.

Problems with a gastric band

A Case Report in The Lancet describes a woman's experience with late pulmonary complications after gastric banding, including recurrent aspiration and cavitation. The authors stress the importance of recognizing these rare but potentially misdiagnosed conditions, particularly among patients with respiratory symptoms.

Mothers' weight before and during pregnancy affects baby's weight

A new study found that both pre-pregnant weight and weight gain during pregnancy are important predictors of babies' birthweight. Women with higher education levels had the highest offspring birthweight, highlighting the importance of a healthy weight before conception and moderate weight gain during pregnancy.

Being overweight not such a stigma for African American women

Black women exhibit a unique response to obesity, reporting higher quality of life despite similar weight gain compared to white women. Their self-esteem scores are particularly high, suggesting that body image and social norms may play a role in this phenomenon.

Few parents recall being told by doctors that their child is overweight

A new study finds that less than one-quarter of parents of overweight children recall ever being told by a doctor or healthcare provider that their children were overweight. Despite improved awareness over the last decade, this percentage remains low, suggesting a need for more effective communication strategies.

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.

People with early Alzheimer's disease may be more likely to have lower BMI

A recent study found that individuals with mild cognitive impairment and no memory problems who had the Alzheimer's biomarkers were more likely to have a lower BMI than those without the biomarkers. This association suggests a systemic metabolic response to the disease, possibly related to damage in the hypothalamus.

Childhood obesity -- what are the health risks?

A new review of research into childhood obesity and metabolic disease in adulthood suggests that treating obesity during childhood can remove the risk of lasting harm. However, the study also found that being overweight or obese as a child may actually increase the risk of health problems later in life.

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.

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.

Future obesity may be predicted at 3.5 years of age

Researchers identified two key factors increasing the risk of childhood obesity: mothers' weight and smoking during pregnancy. Children born to overweight or smoking mothers were more likely to develop high-rising BMI trajectories, with over 50% obese by middle childhood.

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.

Meta Quest 3 512GB

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

Body weight, sleep-disordered breathing and cognition linked in children

A study published by the American Thoracic Society found a significant link between body weight, sleep-disordered breathing, and cognitive processing in elementary school children. The research suggests that addressing obesity through public health campaigns may have additional benefits for cognitive development and overall health.

Saving the day

A study published in BMC Emergency Medicine found that higher body mass index (BMI) and fitness levels improve CPR performance, while lower BMI and fitness lead to decreased compression depth and fatigue. The researchers recommend changing CPR providers every two minutes to prevent tiredness from impeding proper compression.

Obese people regain weight after dieting due to hormones

A study of 50 overweight adults found that hormone levels influencing hunger changed after initial weight loss, leading to weight regain within a year. The research suggests that addressing hunger and considering pharmacotherapy or hormone manipulation may be key to preventing relapse.

Fluke 87V Industrial Digital Multimeter

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

Young, apparently healthy -- and at risk of heart disease

A new study reveals that young adults with normal weight and BMI can still have atherosclerosis, highlighting the importance of measuring visceral fat. Waist circumference is a simple predictor of increased visceral adiposity and premature atherosclerosis.

Teen sleep deprivation related to weight gain

A study presented at CHEST 2011 found that sleeping less than 8 hours a night may be linked to weight gain in teens. Teen males who slept 7 hours or less on weekdays had an average BMI that was 3.8 percent higher than those who slept more than 7 hours.

Celestron NexStar 8SE Computerized Telescope

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

Gender differences in blood pressure appears as early as adolescence

A new study from the University of California at Merced found that adolescent girls with obesity have a significantly higher risk of developing elevated systolic blood pressure than their non-obese peers. Obesity was not as strongly linked to high blood pressure in boys, who were still more likely to develop it but to a lesser extent.

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.

'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.

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.

Mother's BMI linked to fatter babies

A recent study published in Pediatric Research found that mothers with a higher pre-pregnancy body mass index (BMI) have fatter babies with more fat in their liver cells. The researchers measured the amount of fat in 105 babies' livers and bodies, finding increased liver cell fat and total fat across all BMI ranges. This study suggests...

New tool to help predict death in overweight and obese people

A new tool, the Edmonton Obesity Staging System (EOSS), predicts mortality risk in overweight and obese individuals with greater accuracy than current methods. The study found that higher EOSS scores were associated with increased mortality risk, even after adjusting for BMI and metabolic syndrome.

Positive impact of growing public awareness of obesity epidemic

A nationwide study found that middle school students experienced similar reductions in BMI regardless of whether they received a public health intervention or not. The results suggest that increased awareness and policy changes may be starting to change the trend of rising childhood obesity.

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.

Packing on pounds riskier for South Asians, say McMaster researchers

A new study by McMaster University researchers found that South Asians are more likely to store fat in internal organs like the liver, increasing the risk of diabetes and coronary artery disease. The study suggests that this type of visceral fat is associated with metabolic problems and may affect organ function.

Study suggests obesity accelerates progression of cirrhosis

A recent study found that increased body mass index (BMI) is an independent predictor of clinical decompensation in patients with compensated cirrhosis. The researchers suggest that weight reduction may improve patient outcomes and that measures to reduce BMI could improve the prognosis for patients with advanced liver disease.

Large waist doubles risk of kidney disease mortality

A study by Loyola University Health System researcher Holly Kramer found that a large waist circumference doubles the risk of dying among kidney disease patients. Waist circumference was more strongly linked to mortality than BMI, a commonly used measure of obesity.

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.

Healthy lifestyle associated with low risk of sudden cardiac death in women

A recent study published in JAMA found that adhering to a healthy lifestyle, including not smoking, exercising regularly, and eating a balanced diet, can significantly lower the risk of sudden cardiac death in women. The study analyzed data from over 81,000 women and found that those who met four key lifestyle criteria had a 92% lower ...

Shorter sleep durations may increase genetic risks for obesity

A study of 1,811 pairs of twins found that shorter sleep durations were associated with increased expression of genes related to obesity, while longer sleep durations were linked to decreased body mass index. This suggests that genetic influences on body weight may be suppressed by adequate sleep duration.

Overweight more harmful to the liver than alcohol in middle-aged men

A new study found that overweight men are at a significantly higher risk of developing cirrhosis of the liver compared to those who drink heavily. The research followed 855 men for up to 40 years and discovered that both excess weight and high levels of blood fats increased liver damage, while alcohol's link was not statistically proven.

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.

Adherence to certain dietary pattern associated with lower BMI in adolescent girls

A study published in Archives of Pediatrics & Adolescent Medicine found that adolescent girls who followed a DASH-style diet had smaller gains in overall body mass index (BMI) over 10 years compared to those on other diets. Higher consumption of fruits, whole grains, and low-fat dairy products was associated with less weight gain.

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.

Mild obesity appears to improve survival in ALS patients

A study by Massachusetts General Hospital found that mild obesity, measured by body mass index, was associated with longer survival rates among ALS patients. Patients who were mildly obese outlived those of normal weight, underweight, or even overweight.

BMI differences: The immigrant equation

A recent study analyzing data from 6,400 low-income immigrant children in Montreal reveals that their BMI drops significantly as they grow up in Canada. The 'healthy immigrant effect' seen in adult immigrants is lost in successive generations of children.

Making the move to exercise for overweight and obese people

A recent study by nurse researchers found that 29% of overweight and obese individuals reported exercising for six months, while 39% regularly exercised. The study suggests that just because someone is overweight does not mean they are not exercising or considering it.

Pistachios pummel pretzels as a weight-wise snack

A new study published in the Journal of the American College of Nutrition found that pistachio snackers had better success with supporting their body mass index (BMI) goals compared to those who snacked on pretzels. Pistachios also helped support heart health due to their high levels of healthy unsaturated fat.

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.