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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

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

The 2 worlds of kids' morals

Research reveals marked gender and race differences in children's moral behaviors, both in the real and virtual worlds. African American children were more likely to view morally questionable virtual behaviors as acceptable when they benefited individual goals.

Does sex sell? New study shows how to make women respond to sexy ads

A new study suggests that women's attitudes toward sexually oriented advertising can improve if ads depict sex in a manner consistent with women's intrinsic values, such as devotion and commitment. Experiment 1 found that commitment-related cues in the ad boosted women's attitudes towards the product.

Apple iPhone 17 Pro

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

Fears of promiscuity pose barrier to cervical cancer vaccinations

Public concerns about costs and promiscuity pose a barrier to cervical cancer vaccinations, according to a Yale University study. The vast majority of surveyed adults believe the risk of cervical cancer is low with the HPV vaccine, but think adolescent promiscuity will increase among vaccinated teens.

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.

Gay men's risky sexual behavior linked to feeling undesirable

A study by University of Toronto sociologist Adam Isaiah Green found that gay men deemed less desirable are more likely to engage in risky behavior and experience psychological problems. The research highlights the negative consequences of being marginalized due to low levels of 'erotic capital',

Risky behaviors on TV may be modeled by inexperienced viewers

A study in the Journal of Communication found that TV portrayals of risky sexual behavior can increase expectations of future engagement among inexperienced viewers. In contrast, those with direct experience are not influenced by TV content. This research highlights the potential for media to shape attitudes and behaviors.

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.

When it comes to abstinence teens, adults aren't speaking the same language

A new University of Washington study reveals that abstinence-only programs do not effectively prevent teenage sexual activity because they fail to speak the same language as adolescents. The research found that attitudes and intentions about sex were more powerful than those about abstinence, leading to increased instances of teen sex.

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

Teenagers attending college less likely to engage in risky sexual behavior

According to a University of Washington study, teenagers attending college are significantly less likely to engage in risky sexual behavior than those who do not attend college. The study found that college students were more likely to always use a condom and less likely to engage in casual sex or high-risk sex.

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.

Gene determines whether male body odor smells pleasant

A new study reveals that a single gene, OR7D4, plays a crucial role in determining how people perceive the scent of androstenone, a potent ingredient in male body odor. Variants of this gene can make humans perceive androstenone as sweet or unpleasant, with some unable to detect it at all.

Geographer designs computer model to predict crowd behavior

A researcher at Arizona State University has created a 3D computational model to simulate crowd behavior in urban settings. The model takes into account individual characteristics and environmental factors, allowing city planners and public safety officials to explore 'what-if' scenarios and test hypotheses.

Simple screening can help decrease teen risk behaviors

A new study reveals that a simple and brief screening measure can quickly identify the broad range of risk behaviors found among adolescents. The adolescent risk inventory (ARI) identifies behavior problems that may prevent teens from engaging in other risky behaviors.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Partner reduction is pivotal for HIV prevention

A new approach to HIV prevention focuses on reducing partners, with early evidence from Uganda and Kenya showing a decline in HIV incidence among men. The strategy is seen as a crucial step towards reversing the epidemic, particularly in regions where partner reduction has been successful.

First global analysis of sexual behavior

The study found that monogamy is the dominant pattern globally, but multiple partnerships are more common in industrialized countries. Rates of condom use vary widely by country and region, with increasing trends in some areas.

Teenagers know about condoms ... so why don't they use them?

A review of global studies reveals that young people's sexual behavior is influenced by stereotypes about men and women's roles, leading to inadequate condom use. Social expectations, such as feeling pressure to have sex or worrying about one's reputation, can significantly hinder the effectiveness of safer sex campaigns.

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DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

First global study of sexual behavior

The first global analysis of sexual behavior data found that monogamy is the dominant pattern worldwide, and developed nations report high rates of multiple partnerships. Despite this, adolescents have high rates of unintended pregnancy, unsafe abortions, and STIs.

Alcohol and high-risk sexual behaviors in Botswana

A study published in PLOS Medicine found a strong association between heavy alcohol consumption and high-risk sexual behaviors in men and women in Botswana. The research highlights the need to address alcohol abuse within HIV prevention programs, considering cultural and social significance of alcohol use.

UC Riverside researchers show how the brain turns on innate behavior

Researchers found that a command hormone called ecdysis-triggering hormone (ETH) orchestrates activities in discrete groups of peptide neurons in the brain, initiating innate behaviors such as escape and defensive maneuvers. This discovery could lead to manipulation of behavior in animals and intelligent robots.

Unwanted sex appears common in some teen relationships

A study found that 40.9% of teenage girls reported unwanted sex at least once, with 37.6% fearing their partner's anger if denied sex. The data highlights the need for sexual health counseling to reduce risk and promote healthy relationships.

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 challenges myth that sex late in pregnancy hastens birth

A study of 93 women at Ohio State University Medical Center found no correlation between the frequency of sexual intercourse and the onset of labor. Women who were sexually active during the final weeks of their pregnancies carried their babies an average of 39.9 weeks, compared to 39.3 weeks among those who abstained from sex.

Gender equality leads to better sex lives among people 40 and over

A global study of over 27,500 adults aged 40-80 found that greater gender equality leads to improved sexual satisfaction. The research, led by the University of Chicago, compared sex lives across 29 countries and discovered that countries with more equal partnerships reported higher rates of sexual pleasure.

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.

Comforting behavior mistaken for movement disorder

A study of young girls referred to pediatric clinics due to alleged movement disorders found that most cases were actually normal muscle contractions during masturbation. Children can be easily distracted from these episodes, and parents should not assume harm or deviancy from the behavior.

Good neighbor relations may help prevent early sex among teens

A study found that living in close-knit neighborhoods with strong adult supervision can delay early sexual experiences among teens. The results suggest that good neighbor relations play a crucial role in preventing risky behavior, especially for those with limited parental supervision.

Olfactory system detects pheromones that control reproduction

Scientists used a genetically altered virus to trace connections between olfactory neurons and LHRH-producing neurons in mice. They found that the main olfactory epithelium sends signals to LHRH neurons, controlling puberty, ovulation, and testosterone production. The study challenges traditional views on pheromone communication systems.

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

Meaningless sex? Male mounting reduces sexual promiscuity of females

Researchers found that male mounting, even without semen transfer, reduces a hen's tendency to mate with other males and decreases the number of sperm obtained from a new rooster. This behavior helps defend paternity, suggesting copulations without semen transfer have evolutionary significance.

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.

Impulsive behavior may be relict of hunter-gatherer past

Research suggests that impulsive behavior in animals, including blue jays, may be an evolutionary adaptation to foraging in the wild. The study found that birds prioritized immediate rewards over delayed ones, as they would often forget about food and continue foraging. This impulsiveness may have been beneficial for survival but is no...

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.

Women's sexual behaviors may be closer to men's than previously thought

A new study by Ohio State University researchers found that some reported gender differences in sexual behavior might be due to women being less than honest when surveyed. Women's answers were closer to men's in certain areas of sexual behavior when they thought lies could be detected, while men's answers didn't change as much.

Study identifies triggers for risky sex among gay men

A study by Margaret A. Chesney found that noninjection drug use and unprotected receptive anal sex were the most likely predictors of risky sexual behavior among gay men, accounting for only one-third of cases. One-on-one counseling tailored to individual behaviors may be effective in preventing new HIV infections.

Neural biology explains ejaculation

Researchers have identified a group of cells in the spinal cord that control ejaculation, which can be manipulated to treat sexual dysfunction. The discovery has implications for paraplegic men and those experiencing ejaculatory problems.

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.

Alcohol use, thrill-seeking prove bad mix for HIV-positive men

A study by Seth C. Kalichman found that HIV-positive men who were sensation seekers were more likely to have unprotected sex, regardless of alcohol use. Alcohol also predicted unsafe sex, independent of sensation seeking. The study suggests cognitive approaches can help improve risk reduction interventions for HIV-positive men.

Community building reduces young gay men's HIV risk behavior

A community-based intervention implemented in Albuquerque from 1997-98 found that young gay men reported a 12% decrease in unprotected anal intercourse, reversing baseline increases. The study suggests that empowering communities to establish healthy environments with peer support can effectively reduce HIV risk behavior.

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.

Childhood sexual abuse proves top predictor for HIV infection in women

A recent study found that childhood sexual abuse is a top predictor for HIV infection in women, with those who suffered abuse at age 18 being seven times more likely to engage in high-risk unprotected sex. Women who experienced trauma also faced greater economic and social challenges, making them more vulnerable to further exploitation.

When is a repeated request for a date harassment? It depends on who you are asking

A new analysis of 62 studies found that men and women agree on the seriousness of sexual coercion and propositions, but disagree on less extreme behaviors like sex-stereotyped jokes and repeated date requests. The study suggests that gender differences in perceptions of harassment may be influenced by socialization and value systems.

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.

Athlete's wive's must cope with 'adultery culture'

A study by Steven M. Ortiz finds that athlete wives develop coping strategies to deal with the stress of infidelity, often using humor or changing boundaries of trust. The wives who marry athletes for glamour and money may be more accepting of their husbands' affairs.