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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

Nightingales strike the right chord

Researchers found that male nightingales precisely match pitch, but also adjust note length to achieve a trade-off strategy. They exhibit flexibility in how closely they match pitch versus duration depending on the combination heard. This ability requires rapid processing and neural flexibility.

Hornets in town: How top predators coexist

Research by Kobe University entomologist SAGA Tatsuya found that two hornet species divide their prey by specializing on different targets. The Japanese yellow hornet eats soft-bodied prey like crickets and moths, while the yellow-vented hornet consumes low-value prey such as beetles and wasps.

The unusual head of a fish and the puzzle of its genes

The cichlid fish Perissodus microlepis has an unusual head shape due to bilateral symmetry breakdown, and its genome analysis reveals multiple genes contribute to this asymmetry. Behavioral experiences also influence the preferred direction of hunting behavior, reinforcing both genetic and morphological asymmetries.

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Globetrotting not in the genes

Scientists studied painted lady butterflies' migration patterns and found that environmental conditions shape their travel behavior, with some crossing the Sahara Desert. Contrary to previous belief, genetic analysis revealed no difference in DNA sequences between short- and long-trip butterflies.

Between night and day: The power of flies to adapt

Scientists studied Drosophila species' ability to adapt to day length fluctuations, revealing the critical role of the Pdf gene in regulating circadian plasticity. The study found that Drosophila melanogaster has a wider distribution due to its flexibility in responding to environmental changes.

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How do genetically identical water fleas develop into different sexes?

A team at Osaka University uses novel RNA sequencing techniques to reveal the molecular basis for sexual dimorphism in Daphnia, a species of water flea that can change its form and behavior despite being genetically identical. The study identifies genes that switch which isoforms are expressed in a sex-dependent manner.

Food size matters

A study by Kyoto University found that Daphnia's phenotypic plasticity is strongly related to its body size and the type of predator. Medium-sized Daphnia are more vulnerable to predation by both Chaoborus larvae and fish, which prefer larger prey.

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Ancestral variation guides future environmental adaptations

Early plasticity in coastal plants like sea campion enables rapid adaptation to new environments, including toxic substances. The research found that beneficial plasticity in ancestral plants increases the likelihood of gene reuse during parallel adaptation.

The rise to royalty; how worker wasps balance specialization and plasticity

Researchers investigated how paper wasps adapt their behavior when the queen is removed or dies, finding that they counterbalance genes that establish queen-like behavior with aggressive fighting. This enables societies to distinguish between intrinsic and extrinsic perturbations, allowing for plasticity in response to changes.

Scientists redefine obesity with discovery of two major subtypes

Researchers identify two distinct types of obesity with physiological and molecular differences that may impact health, disease, and treatment response. The study reveals new insights into the link between insulin and obesity, as well as the role of epigenetics in shaping individual body types.

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

European eels - one gene pool fits all

A study from Uppsala University reveals that all European eels share the same gene pool, regardless of their location. The team used whole-genome analysis to compare DNA sequences from eels across Europe and North Africa, finding no significant differences in gene variants.

How do species adapt to their surroundings?

Researchers found that species with high adaptability tend to have longer lifespans, as they can better cope with environmental changes. The study also discovered that reversible phenotypic plasticity, where individuals can switch between different traits, is key to survival in changing environments.

Stan Yavno receives Arnold Berliner Award 2015

Stan Yavno's research on non-native pumpkinseed sunfish found high levels of morphological plasticity, facilitating their ecological adaptations in new areas. This finding is significant as it suggests that invasive species can outcompete native populations through phenotypic plasticity.

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