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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.

Social class and weight history predict adult obesity

A study published in American Journal of Clinical Nutrition found that adult obesity is predicted by family social class and weight history. The research examined the relationship between body mass index (BMI) and social class across four generations. Early age at menarche was also linked to later obesity, while BMI at age 14 was a str...

Age at first drink: What does it really mean?

Researchers found that an early AFD is associated with increased rates of substance abuse, mental health problems, and educational underachievement. Early drinking is also linked to genetic risk for disinhibitory behaviors, suggesting it may be a symptom rather than a cause of alcoholism.

Study points to eventual adult impairments for teens who abuse nicotine

A recent study by Dr. Laura C. Klein found that adolescent nicotine exposure directly affects stress hormone levels in adults, leading to increased risk of anxiety, depression, and cognitive impairments. The research suggests a possible biochemical explanation for the effects observed in human studies.

Apple iPhone 17 Pro

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

Damage of divorce on teens evident before break-up is final

A new nationwide study found that children of divorced parents showed more academic, psychological and behavioral problems a year before the divorce. The study also revealed that family dysfunction existed long before the marriage ended, with parents who would later divorce showing lower well-being in their children.

Paxil treats major depression in adolescents, study finds

Researchers found that paroxetine, a selective serotonin reuptake inhibitor, was more effective than imipramine or placebo in reducing depression symptoms and improving patient moods. The study involved 275 patients aged 12-18 with major depression.

Study of teens in four cities finds drug treatment effective

A large-scale study evaluated community-based treatment programs for adolescents, finding significant reductions in drug use and improved mental health outcomes. The study also identified the importance of minimum length of stay in treatment for optimal results.

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.

World-first study allays fears over emotional health

A new study, involving over 400 families from four European countries, has found no evidence of emotional problems among ART parents. The research also revealed that ART fathers have a warmer and less authoritarian relationship with their children.

World-first study allays fears over emotional health

A new study has found that children conceived through assisted reproduction have stable and satisfying marriages, psychologically healthy parents, and well-adjusted children. The research also suggests that the absence of a genetic link between fathers and children does not interfere with developing positive relationships.

Teens' second pregnancy rates lower with long-term contraceptives

A study published in American Journal of Preventive Medicine found that long-term contraceptives, such as Norplant, reduced second pregnancy rates among teens. Among the participants who chose these methods, only 11% became pregnant within a year, compared to 25% of those using oral contraceptives and 38% of those not using birth control.

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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.

Research finds virginity pledges far more effective than expected

A study of over 90,000 US adolescents found that those who took public virginity pledges delayed having sex by an average of 18 months compared to non-pledgers. The pledge's effectiveness depends on the social environment and age group of the teens, with younger students in open schools experiencing a significant delay.

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...

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 of school 'connectedness' identifies adolescents at risk

A study has identified four factors that contribute to decreased school connectedness, including declining health status, cigarette use, and lack of extracurricular involvement. School nurses may play a key role in identifying disconnected youth, who are at higher risk for adverse outcomes.

Study links teen smoking to symptoms of depression

A new study published in Pediatrics reveals a strong link between teenage smoking and depressive symptoms, with non-depressed teens who smoke facing a four times greater risk. Social factors such as peer tobacco use, poor school performance, and parental report of bad temper also predict progression to heavy smoking.

Vast majority of depressed teens do not get needed psychiatric treatment

A new study found that nearly 80% of depressed teenagers do not receive necessary psychiatric medical treatment, which can lead to a repeat bout of major depression and involvement in substance abuse by early adulthood. Especially at risk are depressed teenage girls who clash with parents or have a family history of recurrent depression.

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Kids who threaten are likely to be violent, study shows

A study of over 9,000 youngsters found that children and adolescents who threaten violence are significantly more likely to behave violently than those who do not make threats. Students who frequently threaten others are at particularly high risk for violence.

Binge drinking: a dangerous rite of passage

A recent study published in Alcoholism: Clinical & Experimental Research found that binge-pattern exposure to alcohol during adolescence can disrupt working memory and make the brain more vulnerable to cell death. The study suggests that teenagers who drink heavily and often may be especially susceptible to the neurobehavioral effects ...

Multifaceted intervention program helps prevent asthma in high-risk infants

A randomized controlled study found a modest but significant reduction in asthma risk at 12 months in high-risk infants through a multifaceted intervention program. The program included avoidance of house dust mites, pet allergens, and tobacco smoke, as well as breastfeeding promotion and partially hydrolyzed formula supplementation.

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Categorizing adolescent smokers may help with treatment

Research suggests that different categories of adolescent smokers, such as persistent, experimenter, or intermittent smokers, have distinct characteristics and challenges. These differences can inform the development of targeted smoking prevention and treatment programs.

Home smoking policy related to adolescents' decision to smoke

Research suggests that middle and high school students with restrictive home smoking policies are less likely to start smoking. The study also found that parental influences can play a significant role in preventing adolescent smoking, alongside other parenting practices such as discussion, punishment, and rules against smoking.

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Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Smoking associated with other risky behaviors

A survey of over 15,000 adolescent patients found that smoking was associated with higher rates of substance abuse, poor physical activity, and academic struggles. Orthodontists are uniquely positioned to promote healthy lifestyle messages to adolescents, who tend to visit them more frequently than other healthcare providers.

Accuracy of adult memories of childhood is no greater than chance

Researchers at Northwestern University found that adult memories of childhood events and relationships are no more accurate than chance, contradicting the idea that memory is a continuous tape. The study's findings have important implications for psychiatrists and mental health professionals who rely on patient reports.

Should adolescents be allowed to make health care decisions?

Canadian physicians consider whether adolescents should be allowed to make health care decisions, citing the concept of proportionality and competency. Most adolescents are deemed capable of making competent health care decisions, warranting respect for their autonomy.

American Thoracic Society Journal news tips for May 2000

A study of rural teenagers found lower asthma rates among farm-raised teens, while respiratory syncytial virus (RSV) bronchiolitis in infancy strongly correlates with later development of asthma and other breathing issues. Asthma experts emphasize the need for tailored management strategies addressing different stages of the disease.

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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.

Teens can help design school obesity programs

The study suggests that teenagers' recommendations can inform effective school-based obesity prevention programs, prioritizing fun and interactive activities over weight control. Schools can also create support groups specifically for overweight youth, leveraging their resources to provide low-cost programs.

Adolescents with mentors less likely to engage in risky behaviors

A study of 294 adolescents found that having an adult mentor significantly reduces the likelihood of engaging in high-risk behaviors such as carrying a weapon, using illicit drugs, and smoking. Mentorship appears to be an effective strategy in reducing certain risk behaviors and their consequences.

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AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

New test can help doctors predict which adolescents are smokers

A new test using a urine sample and written survey can help doctors identify adolescents who smoke cigarettes, allowing for early intervention. The test also identifies 'experimenters' - young people who smoke occasionally but haven't committed to the habit full-time.

Meta Quest 3 512GB

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

Study: Smarter teens delay sexual contacts

Researchers found that intelligent adolescents tend to postpone any kind of lesser sexual activity, as well as first sex, compared to their less intelligent peers. The association between intelligence and refraining from sexual intercourse was stronger for girls than boys, and age-dependent.

Smile! Study shows girls do it more than boys in yearbook photos

Researchers analyzed 15,414 student and faculty yearbook photos to pinpoint the age when girls begin smiling more often than boys. The study found that girls start smiling significantly more than boys as early as the fourth grade, with a widening gender gap by high school.

This is your adolescent brain on alcohol

A recent study found that heavy drinking during adolescence can cause significant damage to thinking abilities, particularly information recall. The researchers also discovered a link between withdrawal experiences and poorer neuropsychological functioning in adolescents.

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.

Adolescent alcohol dependence may damage brain function

Researchers found that adolescent alcohol dependence was associated with impaired memory function, particularly in verbal and nonverbal retention. Heavy drinking over time also linked to poor visuospatial functioning and retrieval of verbal and nonverbal information.

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.

American Psychoanalytic Association Fall 1999 meeting

The American Psychoanalytic Association's Fall 1999 meeting explores the latest in psychiatric research, including topics such as school violence and adolescent therapy. Key perspectives on psychoanalysis goals and interdisciplinary approaches to addressing complex issues were also presented.

Few physicians counsel adolescents about smoking

A study by Massachusetts General Hospital found that only 17% of office visits included smoking-related counseling for adolescents. The frequency of questioning about smoking habits did not improve during the study period, and younger nonwhite adolescents were less likely to receive counseling.

New study shows link between sex and violence among N.C. high school males

A new report by Robert H. DuRant shows a significant link between sexual experience and violent behavior in North Carolina high school males. Males who have been involved in pregnancy are more likely to engage in behaviors increasing their risk of injury or death, such as fighting, carrying a gun to school, and using illegal substances.

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.

Social factors play key role in teenage health

A study by Dr. Elizabeth Goodman found a significant association between socioeconomic status and depressive symptoms, obesity, and poorer ratings of overall health among teenagers. The research examined data from over 15,000 surveys and found that lower socioeconomic status was linked to higher rates of these chronic illnesses.

Group interventions for troubled adolescents

Researchers found that interventions with peers grouped together often worsen adolescent problem behavior, leading to increased delinquency and substance abuse. Training adolescents to give up destructive behaviors seems ineffective when several group members have a tendency toward these behaviors.

Education may help the fight against high blood pressure

A recent study suggests that teens from low-SES neighborhoods with higher educated parents exhibit reduced blood pressure responses to stress. This finding reinforces the importance of education in mitigating health risks for adolescents.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.