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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

Researchers find link between excessive screen time and suicide risk

Research reveals a concerning relationship between excessive screen time and mental health issues, including depression and suicidal behaviors, particularly among teenage girls. Limiting screen time to an hour or two daily may help reduce the risk of depressive symptoms and suicidal attempts.

Screen time might boost depression, suicide behaviors in teens

A new study by San Diego State University professor Jean Twenge found that increased screen time is associated with higher symptoms of depression and suicide-related behaviors among American teenagers, particularly girls. Spending more than five hours per day on electronic devices was linked to at least one suicide-related outcome.

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.

Academic performance predicts risk of suicide attempt

A recent study found that poor academic performance at age 16 significantly increases the risk of suicide attempt, with those in the lowest GPA quartile facing a near five-fold higher risk. Researchers followed 26,315 Swedish individuals from age 16 to 46 and controlled for potential confounding factors.

Research documents link between nightmares and self-harm

Researchers at Florida State University found a connection between nightmares and self-injurious behavior, such as cutting or burning oneself. The study suggests that nightmares can disrupt emotional regulation, leading to increased risk of self-injury.

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.

'Gentle' dying -- or suicide?

A new study argues that voluntary stopping of eating and drinking (VSED) is a form of suicide, requiring regulation by physicians. In many cases, patients would need substantial medical assistance to carry out their intention of fasting to death.

Gun deaths and injuries in California spike following Nevada gun shows

A study published in Annals of Internal Medicine found that gun-related deaths and injuries in neighboring California spiked by nearly 70 percent after gun shows were held in Nevada. The findings suggest that lack of federal gun legislation reduces the impact of state laws intended to protect citizens from firearm injury and death.

Apple iPhone 17 Pro

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

Suicide molecules kill any cancer cell

Researchers at Northwestern University have discovered a novel form of cancer therapy using RNA molecules that trigger self-destruction in cancer cells. The mechanism, called DISE, eliminates multiple genes required for cell survival, making cancer cells resistant to treatment.

Teenage girls more likely to self-harm than boys

A recent study published in The BMJ found that teenage girls are more likely to self-harm than boys, with a sharp rise in self-harm rates among UK girls aged 13-16. The study analyzed data from 16,912 patients and found that girls were nine times more likely to die unnaturally than unaffected children.

Older-adult patients more likely to disclose suicidal thoughts as they age

A new study in the American Journal of Preventive Medicine found that older adults are more likely to disclose suicidal thoughts as they age, especially those with chronic pain, diagnosed illness, social isolation, and recent mental health care. Researchers identified four key interventions to prevent suicide among older adults.

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.

Child abuse affects brain wiring

Researchers found reduced myelin coating thickness and molecular alterations in brains of adults who experienced severe childhood abuse. These changes may contribute to depressive disorders, suicidal behavior, and altered emotional processing.

Study links brain inflammation to suicidal thinking in depression

A recent study published in Biological Psychiatry has found a link between brain inflammation and suicidal thinking in patients with major depressive disorder. Researchers at the University of Manchester discovered increased levels of microglial activation in brains of living patients with MDD who were experiencing suicidal thoughts.

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.

Suicide attempts on the rise in US, finds study

A study by Columbia University Medical Center found that US suicide attempts have increased, especially among younger, disadvantaged adults with mental health issues. The study also revealed significant risk factors for attempted and completed suicides, emphasizing the need for targeted prevention efforts.

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.

Study examines suicide attempts among adults in the United States

A new study examines suicide attempts among US adults, revealing a disproportionate increase in risk for younger adults with less formal education and those with common personality, mood, and anxiety disorders. The findings highlight the need for targeted clinical and public health focus on these vulnerable groups.

Pressure to be perfect may increase suicide risk in some individuals

A recent analysis of published studies suggests that self-generated and socially based pressures to be perfect may contribute to suicidal thoughts and attempts. Thirteen perfectionism dimensions had positive relationships with suicidal thoughts, particularly the most pernicious form involving perceived external pressure.

Study shows transgender students are at significant risk for suicidal thoughts

A study published in JAACAP found that transgender youth in California are at significant risk for suicidal thoughts, with nearly 35% reporting suicidal ideation. The study used statewide representative data and highlights the need for school-based interventions to address victimization and provide access to gender-affirming healthcare.

Discrimination leads older Chinese-Americans to consider suicide at high rates

A new University of Michigan study found that elderly Chinese-Americans who experience racial discrimination are twice as likely to consider suicide. The study, which examined 3,157 Chicago-area Chinese-American adults aged 60 and older, also highlights the impact of age, loneliness, pain, and depression on suicidal thoughts.

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.

Psychotic experiences put kids at higher suicide risk

A large international study has found that psychotic experiences in otherwise healthy people are more likely to have later suicidal thoughts or attempts. Children under 12 who experienced psychosis were at even greater risk of suicidal thoughts, with the risk five to six times higher than in other age groups.

Maternal suicide in pre-and postnatal periods in Ontario

A new study published in CMAJ found that maternal suicide is a leading cause of death during pregnancy and the first year after giving birth. The study suggests that perinatal women who are suicidal may be at higher risk to complete suicide, and highlights the need for improved mental health supports.

Meta Quest 3 512GB

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

Higher rural suicide rates driven by use of guns

Suicide rates in rural areas of Maryland are 35% higher than urban settings, driven by significantly greater use of firearms. Removing firearms from the equation reveals comparable suicide rates between rural and urban areas.

The Lancet: Highly hazardous pesticides: Bans not secure storage

A randomized trial in Sri Lanka found that secure storage of pesticides had no impact on rates of self-poisoning or suicide. A review of global policies concluded that bans are the most effective way to reduce pesticide-related suicides. Secure storage is not a sufficient solution to this public health problem.

Older adults may need better follow-up after ER screenings for suicide

A study of older adults seen in emergency departments found that nearly half had visited an ED before their death, yet many did not receive mental health evaluation or treatment. The researchers concluded that improving responses to suicide risk detection and treatment for older adults are crucial to reducing deaths from suicide among ...

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.

Internet searches for suicide after '13 Reasons Why'

Researchers found that internet search volumes for suicide increased by 19% after the series release, with 17 of 20 common queries showing higher-than-expected increases. Searches focused on suicidal ideation, such as 'how to commit suicide,' were particularly concerning.

Netflix drama '13 Reasons Why' linked to suicidal thoughts

A new study found that Netflix's '13 Reasons Why' corresponded with a substantial increase in internet searches for suicide, including phrases like 'how to commit suicide' and 'suicide prevention'. The study suggests that the show may have inspired some viewers to act on their suicidal thoughts.

Among gun owners, culturally tailored suicide prevention messages work best

A study by Oregon State University found that gun owners are more likely to engage in gun safety behaviors when given culturally tailored suicide prevention messages. The research suggests that messaging should respect the values and rights of gun owners, rather than using language that may inadvertently promote anti-firearm bias. Cult...

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.

Risk of suicide attempts in army units with history of suicide attempts

A new study by the Uniformed Services University of the Health Sciences found that U.S. Army soldiers who attempt suicide are more likely to do so again if their unit has a history of similar attempts. The study's results suggest that early postvention efforts can help prevent future suicide attempts.

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.

Firearm-safety class rates in US little changed in 20 years

A study from the University of Washington found that only about three in five US firearm owners have received formal gun training, with notable gaps in content, particularly on warning signs of suicide. The lack of standardization and education on suicide prevention in firearm trainings has significant implications for public health.

People with tic disorders at increased suicide risk

A new study in Biological Psychiatry found that people with Tourette's disorder and chronic tic disorder are over four times more likely to die by suicide than the general population. Persistent tics into adulthood were a strong predictor of suicide risk, with patients nearly four times more likely to attempt suicide.

Generic drug prices increase when market competition decreases

Researchers found that generic drug prices rose significantly when market competition decreased, particularly in lower-priced drugs. The study suggests understanding the connection between competition and price may help identify older prescription drugs at higher risk for price changes in the future.

Celestron NexStar 8SE Computerized Telescope

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

Does religion protect against suicide?

New research by Michigan State University scholar Ning Hsieh finds that religious participation is related to higher suicide rates in Southern Europe, Western Europe, and East Asia. In contrast, countries in the English-speaking region, Latin America, Eastern Europe, and Northern Europe have seen protective effects of religious partici...

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.

One in 6 women with learning disabilities has attempted suicide

A new study found that women with learning disabilities had a lifetime prevalence of suicide attempts 16.6% compared to 3.3% for those without learning disabilities. Chronic parental domestic violence and childhood sexual abuse increased the risk of suicide attempts among men and women with learning disabilities.

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.

UAF research hub seeks to help Alaska communities stop suicides

The UAF Institute of Arctic Biology and College of Rural and Community Development received a five-year, $4.25 million grant to establish the Alaska Native Collaborative Hub for Research Resilience. This hub will help communities adopt culturally relevant strategies to prevent suicides.

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.

Insomnia associated with increased risk of suicidality

Researchers found that insomnia is three times more likely to report thoughts of suicide and death among U.S. Army servicemembers compared to those without the condition. Insomnia was a significant predictor for suicidality, with wakefulness at night associated with increased suicidal ideation.

Questions raised over physician-assisted suicide

The European Society of Anaesthesiology and Intensive Care debates physician-assisted suicide, with advocates arguing for respect for autonomy and compassion. The opposition emphasizes the importance of preserving dignity and the value of human life, regardless of suffering or burden to others.