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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

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.

Mental well-being and physical activity can form a positive cycle

A recent study found that positive affectivity contributes to higher physical activity levels and increased activity during the COVID-19 pandemic. In contrast, depressive feelings are associated with lower physical activity levels. Mental well-being plays a crucial role in maintaining a physically active lifestyle.

Scientists issue urgent warning on climate emergency

A new report warns of an unprecedented climate emergency, with key findings including widespread forest dieback and major ice sheet collapse. The authors emphasize the need for decisive action to safeguard the natural world and ensure a livable future.

Breaking MAD: Generative AI could break the internet

A recent study at Rice University found that using synthetic data to train generative AI models can lead to negative consequences, including model collapse and reduced quality. As models become increasingly dependent on self-consuming loops, they may produce warped outputs lacking diversity or quality.

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.

Could the nerve cells that scratch be the solution for itch?

Researchers at UCSF found a feedback loop between immune protein IL-31 and nerve cells, which dials back nearby inflammation and promotes skin healing. This discovery could lead to new treatments for conditions like eczema, allergies, and asthma by targeting the nervous system's role in regulating the immune response.

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.

Illuminating new horizons: Navigating nonlinear scattering with precision

Researchers at Shanghai Jiao Tong University have developed a new scattering matrix method that can sculpt light output with minimal optimization time. The method offers unparalleled nonlinear scattered light control, enabling high-resolution scanning microscopy and particle trapping through dense, scattering media.

Scientists warn of many dangerous climate feedback loops

Researchers identified 27 amplifying feedbacks, 7 dampening feedbacks, and 7 uncertain feedbacks, including permafrost thawing, peatland drying, and forest dieback. The study calls for more ambitious emissions drawdown plans and nature-based solutions to address the climate crisis.

Feedback loops make climate action even more urgent, scientists say

Researchers at Oregon State University have identified 27 amplifying feedback loops that significantly increase warming due to greenhouse gas emissions. The study calls for transformative changes in energy, transportation, food production, and international economy to meet climate challenges.

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.

A life-inspired system dynamically adjusts to its environment

The new system consists of two gels with different properties that respond homeostatically to environmental changes. Researchers have created a feedback loop using lasers and mirrors, allowing the system to regulate its temperature in response to external stimuli.

Which side is which?: How the brain perceives borders

Researchers at Salk Institute discovered that neurons deep in the brain's cortex process information from borders first, then send clues back to upstream areas. This supports the importance of the 'feedback' pathway for deciphering borders.

New paper lays out agenda for the next generation of biodiversity research

A new paper from University of British Columbia expert Dr. Mary O'Connor emphasizes the need to consider feedbacks in biodiversity research and policy making to mitigate negative consequences for humans. The authors propose building national and global biodiversity observatories to monitor ecosystems and human activities, enabling data...

Apple iPhone 17 Pro

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

Reversing a genetic cause of poor stress responses in mice

Researchers at Cold Spring Harbor Laboratory have discovered a way to reverse the genetic cause of poor stress responses in mice by targeting specific brain cells and feedback loops. The discovery was made possible by understanding how a particular gene, Ophn1, regulates brain activity and stress tolerance.

Value of climate conversations

A survey of 1,263 people found that discussing global warming leads to increased learning of key facts about the scientific agreement on global warming. This knowledge in turn influences beliefs and promotes more climate-related conversations.

Picture release: Spiral growth

Researchers at EMBL discovered a molecular feedback loop that creates regular spacing between leaves, resulting in spiral patterns. This loop involves cells coordinating with neighbors to transport auxin hormone, which builds up and triggers the formation of new hotspots.

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.

New study finds 'amplifier' helps make connections in the fetal brain

Research by George Washington University researchers found a special amplifier that boosts weak neural signals in the developing brain, allowing for accurate information transfer. This unique amplification circuit is thought to be responsible for the differing levels of seizures in young and old individuals.

When citizens disobey

A new study by Lily Tsai of Massachusetts Institute of Technology found that citizens in rural China engage in 'constructive noncompliance' to prompt government policy changes, often based on issues like property. The research suggests a greater willingness to disobey laws in situations where citizen input is more likely.

See the ball, hit the ball

A new study by University of Virginia psychologists has found a significant correlation between the perceived size of a softball and the batting average of its players. The study, published in Psychological Science, suggests that when players are hitting well, they perceive the ball as larger, while poor performers see it as smaller.

Celestron NexStar 8SE Computerized Telescope

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