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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

Chromosome 'glue' surprises scientists

Researchers found that a small amount of cohesin is needed for cell division and DNA repair, while higher concentrations are necessary for other processes like chromosome condensation. This discovery helps explain the causes of Cornelia de Lange and Roberts Syndrome.

Siblings play formative, influential role as 'agents of socialization'

Research suggests that siblings play a formative role in shaping children's social and emotional development, with positive relationships between siblings linked to better outcomes for teenagers and adults. Parents can foster a supportive sibling relationship from an early age, regardless of the age difference or gender of the siblings.

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.

Landmark study sheds new light on human chromosomal birth defects

A groundbreaking study published in the Journal of Cell Biology reveals that the protein Pds5 plays a vital regulatory role during meiosis, failing to segregate and pair up properly when it is absent. This finding has significant implications for understanding human chromosomal birth defects, including Down syndrome.

Grant will expand former smoker-led intervention program

A proven intervention program will be expanded to more women in public housing through a new $3.1 million grant. The Sister to Sister program, which utilizes help from former smokers and provides nicotine patches and group support, has shown promising results in helping women quit smoking.

Late motherhood boosts family lifespan

A new study finds that women who have babies in their 40s or 50s tend to live longer than other women, and their brothers also live longer, but not their wives. The study suggests that genes may play a significant role in prolonging lifespan and female fertility.

May-June 2009 GSA Bulletin media highlights

Recent studies focus on North Sister volcano's glaciated history and the largest radial dike swarm in the Cascades. Sediment waves along submarine channels are also examined in the Espirito Santo Basin, Brazil, while a new study reveals highly explosive eruptions at Kilauea Volcano, Hawai'i.

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.

First sister study results reinforce the importance of healthy living

A new study reinforces the importance of healthy living by finding that women with a healthy weight and lower perceived stress may have slower telomere shortening, potentially reducing breast cancer risk. The study suggests that duration of obesity and levels of perceived stress can impact telomere length, accelerating aging.

In U of I study, kids learn to handle emotional responses to siblings

A University of Illinois researcher has developed a program that helps children manage their emotions and interact positively with their siblings. The study found that the program improved sibling relationship quality, reduced parental involvement, and increased children's ability to regulate their emotions.

How cheating ants give themselves away

A new study reveals that cheater ants give away their fertility status through unique chemical signals, allowing peers to swiftly attack and restrain them. This system plays a crucial role in maintaining harmony in ant societies.

Inherited genetic cause, possible treatment found for complex lung disorder

A Cincinnati Children's study identifies a familial genetic cause for Pulmonary Alveolar Proteinosis (PAP), a lung disease causing labored breathing and respiratory failure. The research team proposes an inhaled GM-CSF aerosol as a potential treatment to correct surfactant levels, offering new hope for patients suffering from the condi...

Particle physics, podcasts and pajama party

The Large Hadron Collider has begun circulating protons through its full circumference, a significant milestone in the field of particle physics. The event was celebrated with a pajama party at Fermilab's Remote Operations Center, where researchers and engineers gathered to mark the occasion.

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.

Other highlights in the May 13 JNCI

Women with a sister diagnosed with breast cancer face an increased risk of developing the disease throughout their lives. Regular exercise during adolescence and young adulthood is associated with a lower risk of premenopausal breast cancer. Meanwhile, disparities in rectal cancer outcomes persist despite access to oncologists, highlig...

Early bird doesn't always get worm, UNC researcher finds

A study of Lincoln's sparrows reveals that first-laid eggs are less likely to hatch, while older siblings have an advantage in terms of resources and competition. This finding challenges the common assumption that younger chicks are more vulnerable due to size disparities with their peers.

Coming together: tDNAs, RNA pol III and chromatid cohesion

Researchers found that tDNA genes and components of RNA pol III are required for establishing silent chromatin cohesion at the HMR locus. This discovery provides new insights into chromosome architecture and may have implications for understanding genetic regulation.

Apple iPhone 17 Pro

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

Breast cancer prognosis runs in the family

A Swedish study found that women who develop breast cancer are more likely to die from the disease if their daughters or sisters also have it. Research suggests a woman's breast cancer prognosis predicts survival of her first-degree relatives, with those whose mothers died within five years having a 70% chance of survival.

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.

Researchers at Illinois explore queen bee longevity

A study by University of Illinois researchers explores the molecular mechanisms behind queen bee longevity, revealing that vitellogenin plays a vital role in maintaining reproductive viability and longevity. The findings suggest that the queen's unique biology allows her to devote energy to reproduction while extending her lifespan.

Identifying medical proxy should be part of routine medical care

A Northwestern University study found that over 90% of patients support designating a proxy for health care, but less than 26% had previously been asked. The researchers advocate for routine identification of proxies to promote advance care planning and improve patient outcomes.

Third Franciscan order should be taken seriously

A new study reveals that the Third Franciscan Order had a favourable attitude towards its members' lifestyle and was driven by voluntary participation. The order's development into a more ordered way of life was not solely due to Church pressure, but also an early expression of desire for monastic reform.

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.

Former smoker-led intervention program helps women quit

A six-week program combining a nicotine patch and group support significantly increased the chances of women in public housing quitting smoking. The study found nearly 50% of women in the treatment group quit smoking by the end of the program, compared to less than 8% in the comparison group.

Study links early friendships with high-quality sibling relationships

A study found that early friendships are strongly linked to positive sibling relationships, teaching children essential social and emotional skills. Children who had a good friend before their sibling's birth were more likely to have a harmonious relationship with their sibling throughout adolescence.

Childbirth not linked to urinary incontinence, study finds

A new study challenges conventional wisdom that vaginal delivery leads to urinary incontinence later in life. Instead, research suggests an underlying genetic predisposition plays a larger role. This finding has significant implications for basic research, treatment approaches and potential prophylactic interventions.

Screen siblings, parents of infants with severe heart abnormalities

Researchers found that first-degree relatives of infants with severe heart abnormalities, including bicuspid aortic valve, have a fivefold increased risk of having the condition. The study suggests that these relatives should be screened by a cardiologist for progressive heart disease.

UF study: Sibling violence leads to battering in college dating

A University of Florida study found that sibling violence is a predictor of dating violence, particularly among those who experienced physical abuse as children. The survey of over 500 participants revealed that siblings who were abused or perpetrated violence towards each other were more likely to engage in abusive behavior in their r...

Celestron NexStar 8SE Computerized Telescope

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

Traditional Iroquois methods work for today's farmers

Researchers found that traditional Iroquois cropping systems, mimicking natural polycultures, outperform monoculture methods in controlling pests and diseases. The 'three sisters' system also promotes soil fertility through crop residue recycling.

Lesbians' weight patterns may trigger more heart disease

A study by Stephanie A. Roberts and colleagues found that lesbians have a significantly higher body mass index, waist circumference, and waist-to-hip ratio than their sisters, which may trigger more heart disease. The researchers recommend focusing on reducing weight around the middle of the body to decrease cardiovascular risk.

Recruitment of 50,000 sisters of women with breast cancer

The Sister Study aims to investigate the causes of breast cancer by recruiting 50,000 sisters of women with breast cancer. The researchers will collect biological and environmental samples, as well as questionnaires about health histories, environmental exposures, and lifestyles.

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.

Findings show exceptional longevity runs in families

A study found that sisters of centenarians have about half the risk of dying at any given age compared to the national average. Brothers of centenarians also exhibit low mortality rates, especially during young adulthood, increasing their chances of becoming centenarians.

Another cascade range volcano may be coming to life

Scientists have detected a bulge in the Earth's crust near South Sister volcano, caused by slow accumulation of molten rock. This has led to an increase in gas emissions and swelling of the ground, raising concerns about potential eruptions.

Atlas indexes stars that live fast, die young

Astronomers have produced a new spectral atlas of massive, hot O-type stars in the Magellanic Clouds. The atlas provides detailed information on the stars' temperatures and life cycles, helping researchers analyze these critical engines driving galaxy evolution.

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.

Age of menopause dictated largely by genes

Research reveals heritability plays a major role in determining the age of menopause, with significant implications for women delaying childbirth beyond 30. Genetic analysis suggests that a woman's store of eggs declines throughout life, triggering menopause.