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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

Young ex-servicemen at increased risk of suicide

Research found that young ex-military personnel are up to three times more likely to take their own lives than civilians, with those under 24 years old and in lower ranks being most vulnerable. The study suggests exposure to adverse experiences during military service may play a role in the increased suicide risk.

Oetzi's last days

Researchers have reconstructed the chronology of Oetzi's injuries, finding evidence of a short-lived arrow wound and a blow to the back before his death. The study suggests that Oetzi endured at least two injuring events, which could indicate two separate attacks.

Apple iPhone 17 Pro

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

Culture: The new insanity defense?

A professor of political science argues for a national policy on culture in the legal system. She proposes three conditions to reduce false claims of cultural defense, including membership in the ethnic group, tradition adherence, and influence on actions.

Researchers study hidden homicide trend

A study by Johns Hopkins Bloomberg School of Public Health researchers found significant increases in firearm homicide among young male populations between 1999 and 2005. The overall US homicide rate remained flat during this period, but firearm deaths rose sharply, with black males experiencing higher rates than whites.

Drink and drugs fuel Scottish suicide and homicide rates

Research published by The University of Manchester's National Confidential Inquiry into Suicide and Homicide by People with Mental Illness reveals a significant link between alcohol and drug misuse and Scottish suicide and homicide rates. The study found that Scots are almost twice as likely to kill or take their own lives compared to ...

Firearm suicide and homicide rates associated with level of background check

A new study published in the American Journal of Preventive Medicine found that local-level background checks are associated with a 27% lower firearm suicide rate and a 22% lower homicide rate compared to federal-level checks. States that rely on local-level checks have substantially lower rates of firearm suicides and homicides.

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.

Exploring homicide in an international context

This special issue examines homicide rates across various countries and cultures, highlighting factors such as alcohol consumption, economic inequality, and neighborhood-level factors. The study provides insights into the complex relationships between homicide rates and these variables.

Death knell for the death penalty

The UN voted to abolish the death penalty globally, with 125 countries already having done so. In the US, 126 death-row inmates have been exonerated due to DNA evidence, raising concerns about the fairness of the practice.

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.

Less is more when fighting crime

Researchers found that most crime is committed by a small fraction of criminals, and investing in rehabilitation for these individuals may have prevented some murders. By focusing on high-risk areas, governments can reduce crime and violence with more efficient resource allocation.

Black-white life expectancy gap narrows, but remains substantial

The black-white life expectancy gap has narrowed from 1983 to 2003, primarily due to improvements in mortality rates for homicide, HIV disease, and heart disease. However, the current difference remains substantial, with blacks experiencing a 6.3-year gap over whites.

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

UI researcher finds gender gap narrowing among victims of certain crimes

A recent study has found that male and female rates of robbery, aggravated assault, and simple assault have closed significantly over the past few decades. The research suggests a decline in violence against men and women, with notable differences in intimate partner violence and non-lethal victimization.

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

States with higher levels of gun ownership have higher homicide rates

A study by Harvard researchers found that households with guns are more likely to be involved in homicides, particularly among children and women. States with higher levels of gun ownership have significantly higher homicide victimization rates, driven mainly by gun-related homicides.

Low self-esteem? Avoid crime novels with surprise endings

A recent study found that people with higher self-esteem enjoy mystery stories with unexpected twists, whereas those with lower self-esteem prefer stories with confirmed endings. The study involved 84 German college students who rated their enjoyment of a mystery story with varying levels of uncertainty and confirmation.

Profiles of serial killers have limitations

The FBI's profiling method for serial killers is criticized for its limitations, particularly in cases involving women and non-Caucasian offenders. Experts argue that crime scenes often exhibit both organized and disorganized components, making it challenging to develop accurate profiles.

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Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Human rights abuses frequent in Haiti's capital

A study found frequent human rights violations, including murders, sexual assaults, and kidnapping, in Port-au-Prince. The researchers estimated around 12 individuals were murdered daily and 35,000 women and girls were raped during a 22-month period.

When victims are white, stereotypes of blacks influence who gets death sentences

A new study found that juries are more likely to hand down death sentences to defendants with stereotypically black features when the victim is white, but not in cases involving black-on-black homicide. The study controlled for nonracial factors and suggests jurors equate stereotypical black features with degree of criminality.

Firearms present 'triple threat' to battered women

A study published in Evaluation Review highlights the dangers of firearms in intimate partner violence cases, with women twice as likely to die from gunshot wounds inflicted by male intimates. The research explores potential solutions such as restraining orders, gun removal, and denial of gun purchases to intimate partner abusers.

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.

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.

Study examines criminal records of homicide offenders

The study analyzed the relationship between past violent behavior and future homicide rates among male offenders in the US. The findings suggest that a history of violent behavior is associated with an increased risk of future homicides.

Permitting workers to carry weapons ups the chance that they will be killed

Researchers found that permitting workers to carry guns on the job significantly increases the risk of homicide, with a nearly seven-fold increase in worker fatalities compared to workplaces where no firearms are allowed. This finding highlights the need for employers to reassess their policies on workplace gun permits.

Violent crime surges hurt businesses most in low-crime areas

A study found that violent crime surges in low-crime areas hurt business growth and employment in retail and service businesses, while having little effect on businesses in high-crime neighborhoods. The fear of crime affects customer choices and employee willingness to work in neighborhoods with increased homicide rates.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Murder, eyewitness identification and the limits of human vision

A new study examines the relationship between distance and detail in human visual perception, finding that blurriness is equivalent to distance from the viewer. The research has implications for eyewitness testimony, including a case where a witness identified suspects from 450 feet away, leading to a new trial.

Big cities and small towns bear similar risks of gun death

The study found that rural counties had over 1.5 times the rate of gun suicides compared to urban counties, while urban areas experienced almost twice the gun homicide rate of rural counties. Gun suicides have outpaced gun homicides in the US, accounting for over half of all firearm deaths.

Police judge criminal profiles based on who writes them, study finds

A study of police officers in Australia found that they rate the accuracy of a profile more when they think it was written by a professional profiler, regardless of its actual content. The researchers suggest that this bias can lead to false positives and undermine the effectiveness of profiling.

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.

Unemployment, access to guns among factors that turn domestic violence deadly

A study published in the American Journal of Public Health found that a combination of factors, including unemployment, access to firearms, highly controlling behavior, and separation, increases the likelihood of female murder by their partner. Researchers identified key risk factors that can help identify women at high risk of homicide.

Live with a gun, die by a gun?

A study found that people with a gun in their home are almost twice as likely to die in a gun-related homicide and 16 times more likely to use a gun to commit suicide than those without. Handguns account for most domestic homicides and suicides, highlighting the dangers of gun ownership.

Execution: An unwanted side-effect

The Singleton case has raised concerns about forced medical treatment of the mentally ill and its impact on the death penalty. The US Supreme Court must rule against this practice to restore competence for execution as a medically and ethically untenable dilemma.

Unbalanced newspaper coverage of homicide

Researchers found that a minority of homicides are reported in national newspapers, with a substantial bias towards covering untypical cases. The report highlights the need for responsible reporting to showcase real dangers and avoid manufacturing fears.

Fluke 87V Industrial Digital Multimeter

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

Mentally ill patients more likely to die by homicide

A recent study published in The Lancet found that mentally ill patients are at a significantly higher risk of dying from homicide compared to the general population. The study analyzed data from over 72,000 individuals and revealed that those with mental illness were six times more likely to die by homicide.

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.

What you drink really can kill you

A Swedish study found that nearly 29 percent of all unnatural deaths were associated with alcohol consumption. The most common causes included suicides, falls, traffic injuries, and intoxication. Experts emphasize the importance of responsible drinking and stricter policies to mitigate these risks.

Support for death penalty reaches 15-year low: poll

A recent University of North Carolina at Chapel Hill poll found that 65% of respondents favor the death penalty, while 19% oppose it. The racial and demographic differences are significant, with whites more supportive than blacks, and men more supportive than women.

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.

New study shows abuse homicides more common than records reveal

A new University of North Carolina at Chapel Hill study finds that child abuse homicides are more common than vital records reveal, with over 9,400 US children under 11 dying from abuse between 1985 and 1996. The true number is estimated to be three times higher than reported cases.

Study Of Murdered NC Women Shows 'Love' Can Be Health Hazard

A University of North Carolina at Chapel Hill study found that domestic violence preceded at least two-thirds of the cases, with black women and young women being disproportionately affected. The research also showed that alcohol regularly contributed to the deaths, and guns were involved in 54% of the homicides.

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.