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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

Studies examine racial bias in pollution, devaluation of black communities

Studies examine racial bias in pollution, devaluation of black communities. Researchers found that physical spaces associated with black Americans are subject to negative stereotypes, leading to lower quality characteristics, monetarily devaluing them, and increased exposure to environmental pollutants.

What happens when people are treated like pollution?

Treating homeless individuals as an environmental contaminant exacerbates their marginalization and limited access to essential services. The study highlights the human costs of environmental indifference towards marginalized groups.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Coral killers

A three-year study found that 62% of corals weakened by pollution died when parrotfish bit them, turning a natural process into coral murder. Multiple stressors combined with warming temperatures facilitate pathogens, killing corals.

Flameproof falcons and hawks

A Cooper's hawk in Greater Vancouver has been found with the highest levels of polybrominated diphenyl ethers (PBDEs) ever recorded, significantly higher than levels in California or China.

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.

Science and medicine have a 'publication pollution' problem

The scientific community is facing a 'pollution problem' due to plagiarism, fraud, and predatory publishing, threatening the trustworthiness and reliability of research. Dr. Arthur Caplan proposes a national meeting to address this issue and promote sustainable publishing practices.

Home sweet messy home: How do consumers cope with disorder at home?

Researchers found that people create classification systems to deal with clutter, modifying rules or tolerating transgressions. Understanding everyday tidiness practices helps consumers negotiate social norms regarding tidiness, enabling them to cope with daily constraints and opportunities.

ORNL research reveals new challenges for mercury cleanup

Researchers at Oak Ridge National Laboratory found that elemental mercury can be converted to methylmercury by bacteria in environments lacking oxygen. This discovery complicates mercury cleanup efforts and highlights the need for further research on microbial mercury methylation.

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.

Using Twitter to predict the influence of lifestyle on health

Researchers used Twitter data to model how lifestyle factors such as social status, pollution exposure, and interpersonal interaction influence health. They found that even people who regularly talk about exercising get sick more often than those who actually exercise.

Otters on road to recovery in Andalusia

The study found that otters are more common in areas with moderate human impact, where water quality has improved and prey species like fish and crayfish are abundant. The researchers suggest conserving aquatic habitats to encourage greater distribution of the species.

Apple iPhone 17 Pro

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

Trash or treasure? Discarded US computers often get a second life

A study found that at least 85% of computers imported into Peru are reused, rather than going directly into recycling. The US is the source of up to 76% of used computers imported to Peru, challenging the widespread belief that e-waste is mainly about dumping unusable junk.

Penguins marching into trouble

Long-term research reveals a quarter-century of data on penguin numbers, showing a decline of over 20 percent in the last 22 years. Penguins are struggling with food scarcity, leading them to nest outside protected areas where they fall prey to predators.

Algal biomonitor

A DNA test can detect harmful algal blooms across the globe, reducing economic impact on fisheries, recreational activities, and aquaculture sites. Factors such as climate change and pollution contribute to algal bloom occurrences.

Reap what your ancestors sowed

A new model developed by Dr. Sam Brown recognizes the impact of durable goods on cooperation, showing that cheaters can increase without immediate consequences but ultimately face costs when others follow suit. This research has far-reaching implications for fields like ecology, economics, and medicine.

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.

Worms under stress

Researchers found nematodes' life cycle affects pollution sensitivity, with sexually-reproducing strains more vulnerable. Temperature changes trigger genome shifts and alter gene regulation, impacting population growth.

New Orleans 'toxic soup' a less serious problem than initially believed

Recent studies have found that levels of toxic metals in New Orleans soil samples were not significantly higher than before Hurricane Katrina. In fact, some pollutants may have decreased due to natural processes. Researchers are now focusing on restoring the Gulf Coast's resilience through science and engineering.

Environmental crisis forging strange bedfellows

A professor of environmental studies at U of T is bridging the gap between science and religion to address the environmental crisis. He notes that some religious yet ecology-minded Republicans are involved in a campaign against gas-guzzling SUVs, asking Americans to consider more ecologically sensitive cars.

Celestron NexStar 8SE Computerized Telescope

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

Engineering progress could cut pollution

Researchers at Cardiff University have developed new combustion processes that could significantly reduce pollution, thanks to a collaborative project with the University of Adelaide. The project uses advanced laser diagnostics to improve models for alternative fuel mixes.

Sand-mud model could predict effects of opening sluices

Researchers developed a model to calculate movements of both sand and mud in tidal areas, revealing locations with little sedimentation due to quick water flow. The model can predict the effect of human intervention in tidal waters, addressing questions about released polluted mud layers and ecosystem changes.

Nanotechnology: sink or swim?

The report provides a sober assessment of nanotechnology's possibilities, distinguishing between current applications, potential future advancements, and unfeasible goals. It also explores the role of social science in nanotechnology development, highlighting opportunities to anticipate and incorporate implications into the technology.

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.

Sensor will save energy, reduce pollution, engineer says

A new optical laser sensor will reduce energy consumption by up to 30% and greenhouse gas emissions in the steel industry. The sensor, developed at the University of Toronto, measures thermal and chemical energy losses and adjusts parameters to lower energy consumption.