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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

Social media use linked with depression, secondary trauma during COVID-19

Researchers found that excessive social media use is related to depression and secondary trauma, suggesting taking a break may promote well-being. Over half of respondents reported some level of depression, while more than half experienced increased hand washing and face mask use as a result of social media.

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.

How important is sex to women as they age?

A significant percentage of women continue to value sex throughout midlife, with factors like ethnicity, health, and depression symptoms affecting their interest. The study identified three distinct trajectories in importance of sex with aging, with black women and those with higher education maintaining high levels of importance.

How the brain balances emotion and reason

The anterior cingulate cortex region 'area 32' relays information between cognitive and emotional brain regions, enabling emotional equilibrium. In depression, this balance is disrupted, with an overactive area 25 leading to negative emotions and rumination.

Amyloid deposits not associated with depression in the elderly

Researchers found that abnormal amyloid deposits were present in fewer older adults with major depression compared to non-depressed control subjects. However, the study suggests that depression is still a risk factor for cognitive decline, but through a mechanism other than amyloid deposition.

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.

For black girls, attitudes about being black affect risk of depression

A new study suggests that positive messages about being Black can decrease symptoms of depression in Black girls, while negative messages increase the risk. The research highlights the importance of avoiding negative stereotypes about Black women and incorporating gender-specific messages into mental health programs.

Physical diseases can negatively affect a depression

Patients with a first-time depression diagnosis have an increased risk of worsening and requiring hospitalisation if they have previously been treated for a physical disease at a hospital. The risk is also influenced by age and the number of physical diseases, with more diseases under 65 increasing the risk.

Apple iPhone 17 Pro

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

Depression risk detected by measuring heart rate changes

A pilot study found that measuring 24-hour heart rate can reliably indicate whether someone is depressed, providing an early warning and rapid indication of treatment effectiveness. The study also identified a link between heart rate variability and response to ketamine treatment.

Meta Quest 3 512GB

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

Older adults's faced mental health issues during the pandemic

A new study by Indiana University researchers found that older adults experienced increased depression and loneliness during the COVID-19 pandemic. However, having close social networks served as a protective factor against negative mental health outcomes for some.

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.

Who Could Benefit From Exercise and Behavioral Treatment?

Researchers studied 66 young adults with major depression, finding aerobic exercise reduced depressive symptoms by 55%, while light-intensity stretching had less effect. People with better reward processing at baseline were more likely to respond to exercise treatment.

Early adversity and mental health

A longitudinal study of 167 children found that early adversity increases the risk of depression by flattening testosterone slopes, leading to reduced hippocampal growth and increased emotion dysregulation. The findings suggest a need for interventions targeting mental health problems resulting from early poverty.

Older adults with existing depression show resilience during the pandemic

A study found that older adults with pre-existing major depressive disorder demonstrated resilience to the stress of physical distancing and isolation during the pandemic. They used coping strategies such as maintaining regular schedules, distracting themselves from negative emotions, and using mindfulness.

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.

Study pinpoints five most likely causes of post-traumatic stress in police officers

A new study has pinpointed the five most likely causes of post-traumatic stress in police officers, highlighting the importance of genetic and emotional differences. The research identified specific causal factors, including a tendency to startle easily, anxiety, depression, and genetic mutations, which can contribute to the developmen...

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.

Pandemic leads to higher depression, anxiety and fear, studies show

Research by University of Arkansas sociologists found increased levels of depression, anxiety and suicidal tendencies during the early months of COVID-19's spread. Fear was identified as a key predictor of mental health outcomes, with higher concentrations of confirmed cases and death rates associated with increased individual fear.

Headline news: Botox injections may lessen depression

Researchers found that nearly 40,000 people who received Botox injections for various reasons reported significantly lower rates of depression compared to patients undergoing different treatments. The study suggests a complex mechanism underlying the antidepressant effects of Botox.

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.

Maternal depression increases odds of depression in offspring, study shows

A new study published in JAMA Network Open found that maternal depression during and after pregnancy significantly increases the odds of depression in offspring during adolescence and adulthood. The research, which examined over 15,000 children, shows that perinatal depression can have a lasting negative impact on mental health.

Fluke 87V Industrial Digital Multimeter

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

McLean hospital study examines the cost-effectiveness of esketamine

A McLean Hospital study found that esketamine is not currently cost-effective due to its high price, but it can be effective for patients with treatment-resistant depression. The study suggests that the price of esketamine needs to fall by more than 40% to make it a viable option.

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.

Poor sleep significantly linked with teenage depression

A study published in the Journal of Child Psychology and Psychiatry found a significant link between poor sleep and teenage depression. Teenagers who experienced depression reported both poor quality and quantity of sleep, while those with anxiety had poor quality sleep only.

Brain research sheds light on the molecular mechanisms of depression

A new study found that depressive and anxious symptoms are linked to reduced opioid receptors in the brain, which can be an important mechanism in treating depression. The study, conducted with Positron Emission Tomography (PET) scans, suggests that drugs affecting the opioid system may help treat depression.

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.

Adult stem cell study shows fish oil may help with depression

A study published in Molecular Psychiatry shows that fish oil creates an antidepressant response when tested in patient-derived adult stem cell models. Researchers found that the treatment works through a different mechanism than prescription antidepressants.

Study in Chinese doctors shows mental toll of caring in the time of COVID-19

A new study published in JAMA Network Open reveals a sharp rise in mental health symptoms among Chinese medical residents in Shanghai during the first month of the COVID-19 pandemic. The study shows that depression and anxiety symptoms worsened, with fear of workplace violence doubling compared to previous years.

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.

New study shows how ketamine combats depression

Researchers at Karolinska Institutet have identified a key target for ketamine: specific serotonin receptors in the brain. The study found that low doses of ketamine increase the number of these receptors, reducing the release of serotonin and increasing dopamine levels.

Anxiety needs global health attention

A study found that nearly three-quarters of people with depression also suffered from anxiety, leading to a higher risk of long-term depression. The researchers highlight the need for integrated anxiety screening and culturally adapted therapies to address this complex combination of mental health issues.

Depression viewed differently when thought to be biological

Researchers found that people who believe depression is biologically caused tend to think it is more severe and long-lasting, but are also more optimistic about treatment. Those with a genetic or brain-related perspective on depression are less likely to hold negative attitudes towards individuals with the disorder.

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.

Researchers call for new approach to some mental disorders

Some common mental disorders like depression, anxiety, and PTSD might not be disorders at all but responses to adversity. Researchers suggest treating the underlying social causes rather than just the symptoms with medication. This approach could lead to more effective solutions for conditions like ADHD and depression.

App helps COVID anxiety, depression

IntelliCare, a free mobile app, significantly reduces anxiety and depression in individuals struggling with the pandemic. The app offers targeted content, exercises, and strategies to help users manage stress and improve mental health.

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.

Depression symptoms linked to reduced cognitive control in people with autism

A new study found that depression symptoms are associated with reduced cognitive control in individuals with autism. The researchers used a picture-word Stroop test to assess proactive control, which is the ability to plan and prepare how to direct attention. Participants with autism who had more symptoms of depression showed less abil...

COVID-19: Managing mental health with yoga

New research from the University of South Australia shows that movement-based yoga can significantly improve mental health for individuals with a range of mental disorders. The study, which examined 19 studies across six countries, found incremental benefits with increased yoga practice.

'Loss of pleasure' in teen sleep study

A global study of over 350,000 teens reveals that lack of sleep can lead to anhedonia, or loss of pleasure, as well as anxiety, anger, and significantly increased risk of depression. Easy interventions such as regulating screen time, delayed school starting times, and monitoring academic pressures can improve mental health.

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.

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.