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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

Crowdsourcing site compiles new sign language for math and science

A crowdsourcing site has compiled a new lexicon of signs for scientific and technical terms in American Sign Language (ASL). The ASL-STEM Forum, launched by the University of Washington, allows members of the deaf and hard-of-hearing community to build their own guide to the evolving lexicon of science.

The road to language learning is iconic

A study on young children's use of British Sign Language found that iconic signs were comprehended and produced more by younger children, with the benefit increasing for older children. This suggests that iconicity may play an important role in language acquisition, providing a mechanism for early sign learning.

Apple iPhone 17 Pro

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

Deaf sign language users pick up faster on body language

New research shows deaf people are quicker at recognizing and interpreting body language than hearing non-signers. This ability may be due to the daily use of sign language, which enhances their visual system's processing capabilities.

Sign language users read words and see signs simultaneously

A recent study by Penn State researchers found that sign language users can process both English words and American Sign Language (ASL) signs concurrently. When word pairs were matched with similar signs, reaction times were faster and accuracy rates improved compared to control group bilingual speakers.

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.

Words help people form mathematical concepts

Researchers found that deaf people in Nicaragua who used self-developed gestures, called homesigns, had difficulty understanding the value of large numbers. In contrast, those who acquired conventional sign language as children were able to learn the meaning of large numbers.

Sign languages help us understand the nature of metaphors

Research shows that certain types of metaphors are difficult to convey in sign language due to the iconicity of a form constraining possible metaphorical extensions. Sign languages exhibit rich metaphorical use, but clashes between form and meaning components can render some metaphors impossible.

Sign language speakers' hands, mouths operate separately

A new study on British Sign Language found that signers make different mistakes in the sign and in mouthing, indicating separate brain processing for hand and lip movements. Researchers suggest that this suggests the signer is processing two languages simultaneously.

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Deaf children use hands to invent own way of communicating

Research shows that deaf children in Nicaragua create their own gesture systems, combining with homemade signs to form a new language-like system. This homesigning enables them to develop Nicaraguan Sign Language, a complex communication system that surpasses conventional spoken languages.

'Can you see me now?' Sign language over cell phones comes to United States

A team of US engineers has successfully developed software that enables deaf and hard-of-hearing Americans to communicate using American Sign Language (ASL) over mobile phones. The breakthrough allows for real-time video communication, making it a significant improvement over text messaging, which can convey emotion but is slower.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

When using gestures, rules of grammar remain the same

Studies of 40 speakers from four languages show consistent use of subject-object-verb order in gestures, contradicting linguistic assumptions. This natural ordering suggests that humans may shape language through nonverbal thought processes.

'Deaf by God' tried in Old Bailey records

Historical records show the evolution of signing and interpreting in court proceedings from 1725 to 19th century, highlighting the role of education and community in shaping British Sign Language. As deaf people gained access to education, their status in courts declined paradoxically.

New language points to foundations of human grammar

Researchers analyzed Al-Sayyid Bedouin Sign Language (ABSL), a community of 3,500 deaf and hearing people, revealing a distinct grammatical structure that establishes systematic relations among words. ABSL follows a Subject-Object-Verb order, differing from English and other languages in the region.

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Short term memory's effectiveness influenced by sight, sound

A study by Daphne Bavelier and her team found that visual information is less effective at holding seven items in short term memory compared to auditory information. However, a new test design revealed that both sight and sound are equally important for cognitive ability.

Hearing infants show preference for sign language over pantomime

Researchers found that 6-month-old hearing infants consistently preferred American Sign Language to pantomime. The infants spent more time looking at ASL than pantomime, even when given the freedom to look elsewhere. This study expands on previous findings of infants' sensitivity to spoken language and may indicate a universal preferen...

Is there a critical period for sign language?

Dr. Rachel I. Mayberry's research indicates that there is a critical period for sign language acquisition, guiding the learning of all first languages. This critical period emphasizes the importance of early childhood exposure and language acquisition in order to achieve optimal comprehension.

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.

A New Kind Of Sign Language Could Liberate Us From Our Desks

A new sign language called thumbcode allows users to type 30 words per minute, compared to 60 words per minute for touch typists. The device-independent language uses hand positions to represent characters and can be used with gloves or video cameras.