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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

Violent video games: More playing time equals more aggression

A new study found that playing violent video games for three consecutive days led to increases in aggressive behavior and hostile expectations. In contrast, players of nonviolent games showed no significant changes. The study suggests a cumulative effect of repeated exposure to violent games on aggression.

The most popular TV series among youngsters in Spain recreates violence

A Spanish study found that Telecinco's Sin tetas no hay paraíso is the most violent of five studied TV series, with a significant impact on aggressive behavior in youngsters. The show's portrayal of violence and aggression contributes to its detrimental effects, including learning and imitating negative behaviors.

Violent video games not so bad when players cooperate

Researchers found that college students who played violent video games cooperatively showed more cooperative behavior and less signs of aggression than those who played competitively. The studies suggest that the social aspect of modern video games can change how people react to violence.

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Strong female portrayals eliminate negative effects of violent media

A recent study found that positive depictions of strong female characters can mitigate the negative impacts of violent media on viewers' attitudes towards women. The research, conducted by Christopher Ferguson, surveyed 150 university students and showed that men and women exhibited less anxiety when viewing shows with positive female ...

Special international commission on media violence confirms aggression link

A research-based report by an international Media Violence Commission confirms that media violence exposure increases the relative risk of aggression. The commission recommends that parents know what media their children and adolescents are using and set limits on screen time to promote critical thinking and healthy consumption.

New study on media violence and kids could have applications on school bullying

A new study by Iowa State University researchers suggests a link between media violence exposure and increased aggression in children, which could help identify students at higher risk of bullying behavior. The study found that media violence exposure was one of six risk factors for predicting later aggression in 430 children.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Violent video games alter brain function in young men

A study by Indiana University researchers found that playing violent video games for a week can lead to changes in the brain's frontal regions associated with emotion and aggressive behavior. The study, which followed 28 healthy adult males, showed reduced activation in these areas after one week of gameplay.

Violent video games alter brain function in young men

A study found that playing violent video games for one week reduced activation in certain brain regions associated with emotional control and aggressive behavior in young adult men. After two weeks without game play, the changes were diminished.

Kinder, gentler video games may actually be good for players

A new study by Ohio State University shows that relaxing video games can make people happier and more kind, while violent games lead to increased aggression. Players who played relaxing games chose to give their opponents more money and participated in pro-social behaviors.

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Why are we fascinated by death, horror and violence?

Veteran psychologist Jeffrey A. Kottler examines what draws a wide audience to violent entertainment, focusing on normal people who enjoy the forbidden side of destruction and evil. The book explores psychological impact and future trends in society's attitudes toward violence.

Violent games not to blame for youth aggression

A new study published in Journal of Youth and Adolescence found no link between violent video games and serious acts of youth aggression or violence. Instead, depression was identified as a strong predictor of youth violence and aggression.

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Study proves conclusively that violent video game play makes more aggressive kids

A recent study led by Iowa State University's Craig Anderson analyzed over 130,000 subjects worldwide and found that exposure to violent video games is a causal risk factor for increased aggressive thoughts and behavior. The research suggests that playing violent video games increases the likelihood of aggressive behavior in both short...

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Violent video games can improve vision

A Tel Aviv University study found that playing violent video games can enhance the ability of teenagers to discriminate between subtle contrasts in color or shades of gray. After playing 50 hours of violent action games, players showed a significant improvement in contrast sensitivity, with some even experiencing up to 58% enhancement.

Television viewing and aggression: Some alternative perspectives

A new study found a positive relationship between violent TV viewing and negative personality attributes among white males and females, and African-American females. However, African-American males showed no increased aggression or lower IQ despite watching violent TV.

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Video games and violence

A recent study by Patrick Kierkegaard suggests that there is limited scientific evidence linking video games to real-world aggression. In fact, research shows that violent video games have not led to an increase in violence but rather may have reduced it. The study's findings contradict previous work on the topic and highlight the need...

This is your brain on violent media

Studies show that watching violent programs can cause parts of the brain to become less active, leading to reduced ability to control aggressive behavior. This effect is seen after repeated viewings of violence and is not observed with non-violent movies.

Violent TV, games pack a powerful public health threat

A University of Michigan study reveals that watching violent TV and playing video games significantly increases the risk of aggressive behavior in both children and adults. The research, conducted over half a century, highlights the detrimental effect of media violence on public health.

Researchers explore how violent video games are exemplary aggression teachers

A study of nearly 2,500 youths found that playing multiple violent video games increased aggressive behaviors and hostile attribution bias. The researchers identified seven parallels between video games and effective teaching methods, including adaptability to individual learners and teaching for real-world situations.

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PG-13 films not safe for kids

UCLA researchers found that 90% of PG-13 rated films feature 'happy violence,' which can increase aggression and fear in young viewers. The study highlights the importance of media depictions on youth violence, with potential long-term consequences.

Psychologists publish 3 new studies on violent video game effects on youths

Two studies found that exposure to even cartoonish children's violent video games increases aggressive behavior in children and adolescents. A third study showed that frequent play of violent video games leads to a more aggressive worldview and behaviors in school-aged children. Both studies support the idea that violent video game exp...

Violent video games leave teenagers emotionally aroused

A new study found that adolescents playing violent video games exhibited increased emotional arousal and decreased executive function compared to those playing nonviolent games. The researchers used fMRI scans to measure brain activity during tasks requiring concentration and emotional processing.

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Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Alarming revelation: Women over 50 live in fear

A Queensland University of Technology nationwide study found that women on lower incomes experience increased feelings of vulnerability as they grow older. They need information and want opportunities to learn about protecting themselves against violence, which affects their quality of life and social connectedness.

Apple MacBook Pro 14-inch (M4 Pro)

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Mature-rated video games often include content not specified on warning labels

Researchers analyzed 36 M-rated video games and found nearly all contained violence and blood, with 4,268 human deaths observed. The study highlights the need for parents and physicians to recognize that popular M-rated games contain unlabeled content that may negatively influence children's perceptions and behaviors.

In video games, not all mayhem is created equal

Research by Iowa State University researchers found that rewarded violence in video games significantly increases aggressive thoughts and behavior, as well as feelings of hostility. In contrast, punishment did not affect aggressive behavior but had a lesser impact on hostile feelings and aggressive thoughts.

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

Possible predictors of relationship violence

Researchers found that certain acts, such as unexpected visits and controlling behavior, are linked to an increased risk of relationship violence. The study suggests that these behaviors can be used as warning signs to prevent future violence.

Violent video games lead to brain activity characteristic of aggression

A functional magnetic resonance imaging (fMRI) study found a causal link between playing violent video games and brain-activity patterns characteristic of aggressive cognitions. The research used a novel frame-by-frame method to analyze game content and measured brain activity, physiological measures, and audio data from the game.

Media violence linked to concentration, self-control

Researchers found that media violence exposure may be associated with alterations in brain function, particularly in the frontal cortex, which is linked to attention and self-control. High exposure to violent media was linked to reduced activity in this area, while low exposure showed increased activity.

Motion picture ratings fail to distinguish violent content

A new study found that MPAA ratings fail to predict the frequency of violence in individual films, with PG and R ratings containing a wide range of violent acts. The study suggests that objective content descriptions and measures of explicit violence are better indicators of big screen violence.

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TV ads during sports depict unsafe behavior and violence

A study found that nearly one in five commercials during televised major sporting events show unsafe behavior, with bicycles ridden without helmets being depicted frequently. The study also revealed that 14% of commercials showed unsafe behavior, while 6% displayed violence, mostly in movies and TV programs.

Children see televised violence despite parent monitoring

A recent study of 677 families found that children's exposure to violent TV content is more common than previously thought, particularly among younger children and mothers. Parents' monitoring practices decreased with increasing child age, highlighting the need for continued education on media management and violence prevention.

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Study finds that children are exposed to too many violent movies

A study of over 5000 5th-8th graders found that 28% were exposed to extremely violent R-rated movies, including scenes of rape and murder. The researchers suggest better oversight of movie industry marketing practices and parental monitoring are needed to protect children.

Program to reduce impact of TV violence on kids shows promise

A study by Oregon State University has found that changing children's attitudes towards TV violence may be easier than directly changing their viewing habits. The program, called Project REViEW, teaches kids to become television detectives and analyze logical and illogical consequences of TV events.

Emotional problems of children living in war zones not recognised

A study found that children exposed to home bombardment and demolition reported higher rates of post-traumatic stress disorder compared to those not directly exposed. The research highlights the need for early detection and training of healthcare professionals to address child mental health problems in war zones.

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Violent media not to blame for violent people

A University of Toronto professor's comprehensive review of research on media violence reveals no link between watching violent shows and aggressive behavior. The majority of studies found little to no evidence of a correlation between media violence exposure and increased violence in viewers.

Violence is a learned behavior, say researchers at Wake Forest University

A new study by researchers at Wake Forest University found a strong association between exposure to violence and the use of violence by young adolescents. The study, which included 722 Georgia middle school students living in or around public housing, found that even if children are exposed to other risk factors, social learning from e...

Violent video games can increase aggression

Research suggests that violent video games can increase aggressive thoughts, feelings, and behavior in individuals, particularly young men who are habitually aggressive. The interactive nature of these games may be more harmful than exposure to violent television and movies, as they require players to identify with the aggressor.

Teen Pregnancy And Sexual Risk Taking Associated With Violence

A recent study found that teenage girls who engaged in HIV-related sexual risk taking and were currently pregnant viewed more television programs depicting violence, women's abuse, or demeaning behavior. This suggests the need for TV networks to decrease violent content and promote healthy sexual behaviors.

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Study Finds Psychological Trauma In Kids Exposed To Violence

A Case Western Reserve University study of 2,244 youngsters ages 8-14 found that those with the greatest exposure to violence are at high risk for severe psychological trauma. The study investigated the relationship between violence exposure and symptoms of anxiety, depression, anger, posttraumatic stress, and dissociation.