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

Adult weight gain could increase cancer risk

Researchers found that substantial weight gain increases the risk of obesity-related cancers, particularly for men who go from a healthy weight to morbid obesity. The study suggests that identifying people at high risk of developing cancer due to weight gain could help prevent cases and improve public health.

Minimal exercise can prevent disease, weight gain in menopausal women

Researchers found that minimal exercise can regulate insulin levels, maintain metabolic function, and help prevent significant weight gain in postmenopausal women. Sedentary rats experienced a 50% reduction in fat tissue after limited physical activity, highlighting the benefits of any amount of exercise.

Make an October weight resolution

A recent study published in the New England Journal of Medicine found that individuals tend to gain weight between Thanksgiving and Christmas, with a peak around the New Year. By setting an October weight resolution, individuals can avoid gaining holiday weight altogether, as it may take over 5 months to lose gained pounds.

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.

Metformin associated with decreasing weight gain in kids with autism

A clinical trial found metformin to be effective in reducing weight gain associated with atypical antipsychotics in children and adolescents with autism spectrum disorder. The study, published in JAMA Psychiatry, suggests that metformin may offer a potential treatment option to mitigate the risks of diabetes linked to weight gain.

Study quantifies risk factors for preterm birth

A study published in the Maternal and Child Health Journal found that abnormalities in interval between pregnancies, body mass index prior to pregnancy, and weight gain during pregnancy may contribute to up to 25% of preterm births. Modifying these risk factors could significantly reduce premature birth rates worldwide.

Lessons learned from 'The Biggest Loser' study

A recent study on 'The Biggest Loser' television series found that participants regained much of the weight they lost, with suppressed metabolism. Experts say a 5-15% weight loss is unlikely to lead to such large effects on metabolism and emphasize the importance of long-term lifestyle changes.

Apple iPhone 17 Pro

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

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.

Anorexia nervosa: Pleasure at getting thin more than fear of getting fat

Researchers suggest that anorexia nervosa is linked to the brain's reward system and a genetic factor involved in neuron survival. The study found that patients with anorexia nervosa experience increased sweating when viewing images of thin bodies, which may be related to the presence of a specific gene variant.

Female meerkats compete to outgrow their sisters

In a study published in Nature, researchers found that subordinate female meerkats track the growth of potential competitors and adjust their own weight gain to stay ahead. The results suggest that competitive growth is a key strategy for social mammals to maintain dominance.

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.

Brain cells that aid appetite control identified

Researchers at McGill University have discovered a crucial role of NG2-glia cells in the median eminence in regulating appetite and body weight. The cells support and shelter leptin receptor neurons, enabling them to instruct the body when to stop eating, leading to potential new targeted anti-obesity approaches.

Heavy body shape across lifespan associated with highest mortality

A large study published in The BMJ found that people with a heavy body shape from childhood to middle age have the highest mortality rate. Those who remained lean throughout life had the lowest mortality risk, with a 15-year risk of death being 11.8% in women and 20.3% in men.

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.

Pre-pregnancy obesity increases odds of having overweight children

A Kaiser Permanente study found that pre-pregnancy obesity and excessive weight gain during pregnancy increase the risk of a child becoming overweight at age 2. However, breastfeeding for at least six months was associated with a significant reduction in this risk, regardless of the mother's pre-pregnancy weight.

Does a parent's perception of their child's weight impact on child weight gain?

Researchers found that parental perceptions of a child's weight status are not protective against weight gain during childhood. Children whose parents perceived their weight as 'overweight' gained more weight over time. This association holds true even if the parent accurately or inaccurately believed their child was overweight.

Compound from hops lowers cholesterol, blood sugar and weight gain

A study at Oregon State University has identified a specific intake level of xanthohumol that significantly improves metabolic syndrome markers and reduces weight gain in laboratory animals. The findings suggest a possible new approach to addressing obesity, high cholesterol and elevated glucose.

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.

Most people cycle and regain weight

A new study found that those who lose more weight are most likely to keep it off, but also experience weight cycling. Patients who lost high percentages of their initial body mass index (BMI) were more likely to maintain their weight loss over time.

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.

Sleep loss boosts hunger and unhealthy food choices

A study published in SLEEP found that sleep deprivation amplifies the joy of eating, particularly sweet and salty high-fat snack foods. Sleep-restricted participants ate nearly twice as much fat as those with normal sleep, despite minimal energy needs.

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.

Why you won't lose weight with exercise alone

New research reveals that exercise alone is insufficient for weight loss due to the human body's adaptive response. A study published in Current Biology found that daily energy expenditure increases with moderate physical activity but plateaus at higher levels.

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.

Flavonoids from fruits and vegetables may help with weight maintenance

A recent study published in The BMJ found that increased flavonoid consumption was associated with less weight gain. The largest association was seen for anthocyanins, flavonol polymers, and flavonols, with daily intake linked to a reduction of 0.16-0.23 lbs (0.07-0.10 kg) over four-year intervals.

Weight gain through plasticizers

A study published in PLOS ONE found that phthalates, commonly used in plastics, can lead to weight gain by disrupting hormone balance and metabolism. The researchers discovered that the phthalate DEHP causes an increase in unsaturated fatty acids and disrupts glucose metabolism, paving the way for weight gain.

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.

Chewing slowly helps prevent excessive weight gain in children

A study published in Pediatric Obesity found that waiting 30 seconds between bites of food can help children realize they're no longer hungry and prevent overeating. The slow eating approach resulted in significant weight loss among participants, with some students losing up to 5.7% of their initial weight after six months.

Altered microbiome burns fewer calories

A University of Iowa study found that changes in the gut microbiome can cause obesity by reducing the resting metabolic rate, leading to weight gain. The researchers discovered a significant decrease in non-aerobic resting metabolic rate sufficient to account for the animals' weight gain.

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.

A slim by design breakfast

A study by Cornell Food & Brand Lab found that healthy-weight individuals tend to eat nutritious breakfasts including fruits and vegetables. The research revealed that egg consumption was higher than expected among slim people, highlighting the importance of breakfast in weight management.

Dr. Christine Olson named March of Dimes Agnes Higgins honoree

Dr. Christine Olson, a renowned expert in fetal-maternal nutrition, has been named the March of Dimes Agnes Higgins honoree. Her research has provided critical information on the risks of excessive weight gain during pregnancy and its impact on baby health.

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.

Unhealthy pregnancy weight gain tips the scales for mothers 7 years later

Research found that excessive gestational weight gain during pregnancy is associated with greater body fat and weight seven years after delivery, particularly among women who begin pregnancy at normal or slight overweight. The study suggests that these women may need additional support to gain weight appropriately during pregnancy.

Children who take antibiotics gain weight faster than kids who don't

A new study suggests that antibiotic use during childhood can lead to faster weight gain and higher body mass index (BMI) over time. The research analyzed data from over 163,000 children and found that those who received antibiotics multiple times weighed about three pounds more than those who did not.

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.

Female gamers a new risk group for overweight

A Swedish study found that young women who play computer games for over an hour a day are more likely to develop overweight. The researchers calculated that this would result in an additional weight gain of 3.7 kilos, taking other risk factors into account.

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.

Heavy smokers and smokers who are obese gain more weight after quitting

Heavy smokers and obese individuals may experience significant weight gain after quitting smoking due to factors like daily cigarette consumption and body mass index. Researchers analyzed data from over 12,000 participants to find that those who quit smoking gained an average of 23 pounds among smokers of 25 or more cigarettes per day.

Believing you are overweight may lead to further weight gain

Research by the University of Liverpool found that those who recognize they are overweight are more likely to experience weight gain than those unaware of their weight status. This is due to increased overeating in response to stress, making it challenging to adopt healthier lifestyles.

Fatherhood makes men fat

A study by Northwestern University found that new fathers experience significant weight gain, averaging 3.5 to 4.5 pounds, which can lead to increased risks of heart disease, diabetes, and cancer. Pediatricians are in a unique position to counsel dads on maintaining their health due to the lack of personal physicians among new fathers.

Mouse model tests health risks of circadian disturbances

A new mouse model has provided early causal evidence that weekly alternating light-dark cycles may hasten certain health risks, including breast cancer development and weight gain. The study found that mice with a genetic predisposition to breast cancer developed tumors 8 weeks earlier when exposed to the alternative light-dark cycles.

Breast cancer survivors gain more weight than cancer-free women

A study published in Cancer Epidemiology, Biomarkers & Prevention found that breast cancer survivors gained an average of 3.81 pounds more than cancer-free women within five years of diagnosis and treatment. Chemotherapy treatment was also significantly associated with weight gain, particularly among those treated recently.

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.

Breast cancer survivors gain weight at a higher rate than their cancer-free peers

A study by Johns Hopkins Kimmel Cancer Center researchers found that breast cancer survivors, particularly those with a family history of the disease, gained significantly more weight over four years compared to cancer-free women. The study also revealed that chemotherapy may be a contributing factor to weight gain among survivors.

Childhood stress fuels weight gain in women

A national study by Michigan State University sociologist Hui Liu found that childhood stress fuels weight gain in women, while adult stress has no significant impact on men's weight. Childhood family-related stressors such as economic hardship and divorce were associated with rapid weight gain in women.

What effect does marijuana really have on weight gain?

A new study by University of Montreal researchers found that long-term cannabis use is associated with weight gain, but this effect varies depending on factors such as gender and level of use. The study also showed that concomitant cigarette smoking can alter the relationship between cannabis use and weight gain.