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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

Grave consequences

A comprehensive study by the University of Konstanz found that female genital mutilation (FGM) increases the risk of developing mental illness, including post-traumatic stress disorder. The study also revealed changes in the body's reactions to stress, with increased cortisol levels affecting women who had undergone FGM.

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.

Posttraumatic stress affects academics

A new Penn State research study found that posttraumatic stress symptoms increase risks for academic difficulties in student veterans. Partnered women were particularly affected due to relationship problems impacting their academic functioning.

Wearable technology to track brain, predict illness

Researchers can track brain states using wrist-worn wearables, predicting mental-stress-related diseases like chronic fatigue syndrome. This technology improves diagnosis and treatment by providing real-time data on skin conductance and cortisol levels.

Why older workers might be more stressed than younger ones

A Portland State University study found that older workers face significantly higher stress levels than younger colleagues when lacking autonomy, good relationships, and respect at work. The researchers suggest that employers provide essential resources to support all employees, particularly those nearing retirement.

Apple iPhone 17 Pro

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

Stress helps unlearn fear

Researchers found that stress can render extinction learning context-independent, allowing patients to transfer knowledge from one situation to another. This could improve the efficacy of exposure therapies for anxiety disorders.

Increased nerve activity may raise blood pressure in anxiety

A study found that individuals with chronic anxiety exhibited increased nerve activity in response to physiological and mental stressors, which can lead to high blood pressure and heart disease. The research team measured sympathetic nerve activity and blood pressure in volunteers with and without anxiety.

New research shows Transcendental Meditation empowers disadvantaged Ugandan mothers

A study published in Health Care for Women International found that Transcendental Meditation significantly improves the lives of single, illiterate mothers in Uganda by reducing stress and improving their health and ability to support themselves and their children. The research shows that the practice empowers these women to overcome ...

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.

How our senses connect with the stress system

Early life stress may affect mental health through epigenetic changes in both stress-related and sensory networks. This new hypothesis proposes that glucocorticoids prime the epigenetic machinery while neural activation coordinates programming mechanisms.

Consequences of voter referendums for marginalized groups

A study analyzing TV ad data from same-sex marriage referendums found increased stress among LGBTQ individuals with increased exposure, but also reported happiness in response to positive ads. The findings suggest that voter referendums can have both negative and positive effects on marginalized groups.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Is your stress changing my brain?

Researchers at the University of Calgary discovered that stress transmitted from others can change the brain in mice, altering CRH neurons that control the brain's response to stress. In females, these effects are reversed after a social interaction, while males do not exhibit this reversal.

Social stress leads to changes in gut bacteria, study finds

A new study by Georgia State University found that social stress causes changes in gut bacteria in Syrian hamsters, regardless of who wins or loses. The researchers discovered that even a single exposure to social stress leads to changes in the gut microbiota, similar to what is seen following other physical stressors.

How the brain might compensate stress during learning

A study found that stressed individuals performed equally well as relaxed individuals in a categorization task, but their brains showed increased activity and used additional brain regions. The researchers believe this compensation mechanism allows for good performance despite stress.

They grin, you bear it -- research reveals physical impact of a smile

A study published in Scientific Reports found that smiles meant to convey dominance are associated with a spike in stress hormones, while reward smiles appear to physically buffer recipients against stress. This suggests that subtle differences in facial expressions can fundamentally change our experience and physiological response.

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.

Health staff 'too stressed' to deal with disasters

New research finds that high workloads and targets lead to psychological stress, demotivation, and reduced initiative among healthcare staff. This exposes healthcare services to major risk of staff shortage and inoperability during disasters.

Can learning stress-reducing techniques help reduce seizures?

A recent study found that learning stress-reducing techniques can significantly reduce the frequency of seizures in people with difficult-to-treat epilepsy. Participants who learned progressive muscle relaxation and breathing techniques experienced a 29% decrease in seizures, while those in the control group had a 25% reduction.

How wind turbines annoy residents and how to reduce it

A recent study by MLU psychologists found that nearly a third of residents near wind farms experience little to no annoyance from the noise, while one in ten suffer from stress symptoms. The researchers recommend proactive addressing residents' concerns during planning phases and providing early information campaigns.

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.

Researchers explore psychological effects of climate change

A new study by researchers at the University of Arizona found that people with high levels of biospheric concern are more likely to experience stress and depression due to climate change. Those who show concern for the environment, animals, and plants tend to have a planetary outlook and think about bigger picture issues.

Pancreatic cancer accelerated by stress, finds study

A new study published in Cancer Cell suggests that stress accelerates the development of pancreatic cancer by triggering the release of 'fight-or-flight' hormones. Beta-blockers, commonly used medications that inhibit these hormones, were found to increase survival in a mouse model of the disease.

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.

Here's how stress may be making you sick

A recent study published in Journal of Leukocyte Biology found that stress receptors can control immune cells' defense mechanisms, leading to allergic diseases. Mice with disabled stress receptors showed reduced disease symptoms and were protected against stress-related illnesses.

Stressed out? Try smelling your partner's shirt

Women who smelled their partner's shirt felt less stressed before and after a stress test. The study found that women who correctly identified the scent also had lower cortisol levels, suggesting the benefits are strongest when women know what they're smelling.

Mental stress-induced constricted blood vessels more likely in women

Research suggests that women with heart disease are more vulnerable to the effects of mental stress, particularly in terms of constricted peripheral vessels leading to reduced blood supply. This increased risk is associated with a higher likelihood of heart-related events and death.

Celestron NexStar 8SE Computerized Telescope

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

Mindfulness training reduces stress during exam time, Cambridge study finds

A randomised controlled trial found that mindfulness training significantly reduced psychological distress and improved wellbeing among university students. The study, published in The Lancet Public Health, suggests that mindfulness can help build resilience against stress and is a useful addition to existing interventions.

Anti-stress compound reduces obesity and diabetes

A stress protein found in muscle has been linked to diabetes promotion, but blocking it with inhibitors could prevent glucose intolerance. FKBP51-protein inhibitors are being developed for clinical trials to treat diabetes and metabolic diseases.

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.

Exposure to terror may increase risk of migraine, other headaches

A study found that teenage survivors of a terror attack were four times more likely to have migraines and three times more likely to have frequent tension headaches than non-survivors. The study suggests that highly stressful events may lead to ongoing suffering with debilitating headaches.

Duration of sleep increases and sleeping difficulties decrease after retirement

After retiring from work life, people sleep approximately 20 minutes longer than before retirement and experience improved sleep quality. This is particularly true for individuals who had previously experienced sleep difficulties or were heavy alcohol users, with a notable decrease in early morning awakenings and nonrestorative sleep.

Discrimination harms your health -- and your partner's

A new study by Michigan State University scholars reveals that discrimination harms not only the victim's health but also their partner's. The research found that experiencing unfair treatment has a significant impact on an individual's mental health, including depression, and can strain relationships.

Research shows a technique to offset the worry of waiting

Research by University of California, Riverside expert Kate Sweeny finds that mindfulness meditation can help individuals cope with waiting for potentially bad news. The study, published in Personality and Social Psychology Bulletin, found that mindfulness reduced the stress associated with waiting, particularly when compared to other ...

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.

$10.9 million grant supports research on traumatic stress, impulse control

Researchers at the University of Delaware and Delaware State University are studying the effects of traumatic stress in women and brain function to improve understanding of impulse control. The five-year grant will support non-invasive imaging techniques to explore brain function in living humans and laboratory animals.

CRF1 stress receptor is regulator of mast cell activity during stress

A new study identified CRF1 as a master regulator of mast cell activity during stressful challenges, including psychological stress and anaphylaxis. The study showed that mice lacking CRF1 expression were protected against disease, suggesting a potential therapeutic target for treating stress-related diseases.

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.

Stressful events can increase women's odds of obesity

Research presented at the American Heart Association's Scientific Sessions 2017 found that traumatic lifetime events and recent negative life experiences increase a woman's likelihood of being obese. Women who experienced four or more negative events in the past five years had a 36% higher risk of obesity compared to those with no such...

Your stress and mine

A Tel Aviv University study found that people often project their own experiences with stress onto colleagues, causing miscommunication and missed opportunities. The research showed that a person's individual stress mindset colors their perception of others' health, productivity, and burnout levels.

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.

Parental sexual orientation and children's psychological well-being

A study of 21,103 children found no significant differences in emotional and mental health difficulties between those with lesbian or gay parents and those with heterosexual parents. However, children of bisexual parents experienced greater difficulties, which disappeared after accounting for minority stress among bisexual parents.

Immigrants living in US near California-Mexico border have history of trauma

A new study from Rice University reveals that nearly 80% of undocumented Mexican immigrants living near the California-Mexico border have a lifetime history of traumatic events. Clinically significant psychological distress affects around 50% of these individuals, with many reporting domestic violence, poverty, and material deprivation.

Poor social skills may be harmful to health

A new study from the University of Arizona finds that people with poor social skills are at greater risk for mental and physical health issues due to increased stress and loneliness. Social skills training has shown to be effective in improving these skills.

Fluke 87V Industrial Digital Multimeter

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

Hormone replacement therapy may be beneficial for women's memory

A new USC-led study suggests that estrogen treatment after menopause can mitigate the negative effects of stress on working memory. Women taking estrogen-only therapy had lower cortisol levels and better performed on tests following exposure to stress compared to those receiving a placebo.