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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

Congress is not so easily 'bought'

A study published by the American Sociological Association finds that campaign contributions and lobbying have limited impact on policy, with party lines and ideology playing a greater role. The average PAC donation to candidates is $1,700, which is not enough to win significant influence.

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.

Blame, not just poor economy, needed to impact voting

A study by Kevin Arceneaux found that people facing economic adversity are more likely to vote when they blame the government for economic outcomes. The opposition party must convince voters that the current administration is at fault during times of economic hardship.

Traditional local campaigning can boost polling day turnout

A study by Lancaster University found that strong local campaigns significantly increase constituency turnout and results in marginal seats. Campaign intensity was key to Labour's success, with their targeted efforts leading to higher turnouts in target seats.

Think political news is biased? Depends who you ask

A new study by Ohio State University found that Republicans who frequently engage in political debates with others who share their views tend to have a more balanced perception of media bias. In contrast, Democrats' perceptions of media bias do not differ based on who they talk to. The study suggests that conversational contacts influe...

Apple iPhone 17 Pro

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

In Health Affairs interview, Breaux outlines plan to cover uninsured

Breaux proposes extending coverage to all Americans through a basic health insurance plan with premium subsidies for low-income families. He also hopes the Senate will debate competitive Medicare modernization proposals, citing increased chances of passage due to Sen. Bill Frist's elevation to majority leader.

Call for WHO elections to be more open and transparent

A joint campaign between The Lancet and the Rockefeller Foundation aims to highlight critical issues in WHO's Director-General election, including a pressing need for leadership, funding reform, and prioritizing global health equity. The campaign seeks responses from candidates on key questions and calls for public scrutiny and debate.

Penn researchers document large-scale voter registration problem

Researchers at the University of Pennsylvania found that voter registration rolls are grossly inaccurate in many US states, with 32 states having counties with more registered voters than eligible voters. The problem is caused by a dysfunctionally decentralized election system and can lead to voting fraud.

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.

Lancet readers to join WHO election debate

The WHO election process will be covered in a Special Report by The Lancet, providing information on the organisational structure and history of WHO. Readers can share their comments on international health through an email address on The Lancet's website.

Brookhaven Lab scientist helps revise guidelines for voting systems

A cognitive psychologist at Brookhaven Lab provides guidance on designing voting systems that minimize human error and facilitate accurate understanding. The expert's recommendations include organizing information in a consistent manner, providing clear instructions, and allowing voters to control the pace of their use.

Study: Bush's placement on top of Florida ballot gave him edge

A study published in 1998 found that candidates received an average of 2.33% more votes when their names appeared first on the ballots. In Florida, Bush's name at the top of the ballot likely contributed to his win, particularly with less-than-1,000-vote difference between Gore and Bush.

Fluke 87V Industrial Digital Multimeter

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

Want to increase voter turnout? Give them a candidate to hate

A study suggests that people are more likely to vote if they actively dislike a presidential candidate, but only if there is a preferred candidate to support. The research, based on nationwide survey data from 1972 to 1988, found that voters form impressions about candidates similarly to those in other areas of life.

Northwestern mathematician to discuss voting paradoxes at AAAS meeting

Donald Saari's research on voting paradoxes and weighted voting systems has shown that simple plurality voting can produce misleading results. He suggests using the 'Borda count' system, which assigns weighted votes for each candidate, to better reflect voters' true wishes in elections.

House Incumbents Use Large Campaign Funds To Deter Challengers

A new study by Ohio State University found that U.S. House members who collect high amounts of campaign funds reduce the likelihood of a quality challenger entering the race by 16%. The study analyzed 397 races in 1990 and showed how incumbents' fundraising can discourage challengers.