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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

Abnormal growth regulation may occur in children with heart defects

A study by Children's Hospital of Philadelphia researchers found that children with congenital heart disease exhibit impaired growth, measured in weight, length, and head circumference. The study suggests that abnormalities in overall growth regulation play a role in poor growth, potentially related to factors beyond nutrition.

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.

Penn physicists help show math behind growth of 'coffee rings'

Researchers found that different particles create smooth or rough deposition profiles at the drop edge depending on their shape. They tested Poisson and KPZ processes, two classes of interfacial growth processes, and discovered elongated particles produced a KPZ class of growth.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Team designs a bandage that spurs, guides blood vessel growth

A team of researchers has designed a microvascular stamp that uses living cells to deliver growth factors to damaged tissues in a defined pattern. After a week, the resulting network of new blood vessels mirrors the pattern of the stamp's channels, demonstrating controlled growth and spacing.

Gut coils with help from its elastic neighbor

Researchers at Harvard discovered that a simple balance of forces determines the formation of the vertebrate gut's predictably loopy shape. The gut grows faster than its attached mesentery tissue, causing it to coil as the elastic forces build up.

Grandma was right: Infants do wake up taller

A new study confirms that infants wake up taller after sleep, with longer sleep bouts predicting increased weight and body-fat composition. The research also found sex differences in sleep patterns related to growth, with boys exhibiting more sleep bouts and shorter ones than girls.

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.

Marine aquaculture could feed growing world population

Marine aquaculture has the potential to meet global food demand as freshwater resources are limited and terrestrial agriculture struggles. Expanding marine aquaculture operations using low-on-the-food-chain organisms like plankton and algae can achieve sustainable growth.

A big bunch of tomatoes?

A new study identifies a genetic pathway that determines the pattern of flower growth in tomato plants. The researchers found that manipulation of this pathway can turn a single stem into hundreds of branch-bearing shoots, increasing crop yields.

Elastic stresses influence formation of leaf veins

A joint Argentinian-French study suggests that elastic stresses may play a crucial role in determining leaf venation patterns. By developing a numerical model, the researchers found simulated patterns with statistical properties similar to natural ones, challenging the existing view of auxin's role in vein formation.

Neanderthal bearing teeth

A 100,000-year-old Neanderthal from Belgium showed faster tooth growth, suggesting more advanced dental development. This pattern is intermediate between early human ancestors and living people, indicating a recent condition unique to our species.

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.

New south Florida nursery to focus on staghorn corals

A new underwater nursery in Biscayne National Park is dedicated to the propagation of staghorn corals. The nursery aims to develop effective fragmentation and propagation methodologies to help recover the species from decline due to climate change, coral diseases, and hurricanes.

Abnormal pattern of brain development in premature babies

A study of premature babies found that their brain development follows an abnormal pattern, with the surface area growing faster than the volume. The rate of growth is critical in predicting whether a child will experience delayed development. The more premature and male the baby, the slower the growth rate and higher the risk of delay.

Quorum sensing in yeast

Researchers at Cold Spring Harbor Laboratory have made significant progress in understanding how yeast cells communicate with each other through quorum sensing. This complex process allows yeast to coordinate behaviors such as biofilm formation and antibiotic resistance.

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.

The complexity of tropical forest structure defies simple characterization

Researchers investigate tropical forest structure, uncovering intricate relationships between tree diversity, spatial distribution, and environmental factors. The study reveals that tropical forests exhibit complex characteristics that resist simplistic explanations, highlighting the need for nuanced understanding of these ecosystems.

Simple explanation for complex pattern of feather development

A team of biologists has discovered that plumed feather structures involve the coordination of at least two genes that activate and inhibit barb growth. This finding provides the best experimental evidence for a classical theory of growth in complex biological structures.

Supercool! Model unscrambles complex crystallization puzzle

Researchers have developed a simulation tool to predict the microstructures that form as complex liquid mixtures cool and solidify. The model accurately predicts how impurities and process differences affect crystal formation, enabling manufacturers to design new products with improved strength and durability.

T. rex owes its giant size to the ultimate teenage growth spurt

Scientists charted T. rex life history for the first time, revealing a giant size due to an extraordinary growth spurt from 14 to 18 years of age. This was followed by about 10 years of little or no growth as an adult. The study provides insight into T. rex evolution, biology, biomechanics and population dynamics.

Light to moderate drinking during pregnancy can affect adolescent growth

A study found that light to moderate drinking during pregnancy can lead to growth deficits in adolescents, affecting their weight, height, and head circumference. The researchers also identified a dose-response relation between gestational exposure and growth deficits, with effects seen even at low levels of alcohol consumption.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Fossil teeth reveal recent origin of human growth pattern

Researchers found that a modern human-like growth period in humans is a relatively recent evolutionary acquisition, arising around 120,000 years ago. The analysis of fossil teeth suggests that the prolonged growth and development seen in humans today is not as old as previously thought.

The genetics behind miniature plants

Researchers identified BONZAI1 as a central player in Arabidopsis plant growth homeostasis. The gene influences plant size at different temperatures, with mutant cells failing to grow normally at cooler temps. A related protein, BAP1, was also found to interact with BONZAI1 and is more highly expressed at lower temps.