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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

Researchers challenge longstanding theories in cellular reprogramming

A team of researchers at the University of Toronto has discovered a unique stem cell type, the neural crest stem cell, which can be reprogrammed into different cell types. This discovery challenges longstanding theories in cellular reprogramming and highlights the potential of these cells for stem cell transplantation to treat disease.

Cells putting on a face

Researchers have developed a method to differentiate human pluripotent stem cells into cell populations that form patterns resembling the facial primordium. This allows for the creation of an in vitro model to study early facial development and potential treatments for craniofacial disorders.

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.

Developing cells likely can ‘change their mind’ about their destiny

New research suggests neural crest cells retain adaptability even after differentiation, enabling them to 'change their mind' and differentiate anew. This hyper-flexibility has significant implications for regenerative medicine, as these cells have immense potential as treatments to replace and repair damaged body tissue.

Apple iPhone 17 Pro

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

Where trouble starts

Researchers, led by University of Delaware biologist Shuo Wei, have won $1.8 million in NIH support for their study on birth defects caused by genetic mutations in neural crest stem cells. The study focuses on the DDX3X gene and its role in developmental disorders.

Research identifies earlier origin of neural crest cells

A UC Riverside-led research team discovered that neural crest cells originate from the epiblast of chick embryos before the appearance of a definitive ectoderm or mesoderm. This finding provides new insight into the formation of this unique embryonic stem cell population and has implications for human development and health.

Scythian horse breeding unveiled: Lessons for animal domestication

Researchers sequenced the genome of 13 ancient Scythian stallions and 1 mare, uncovering diversity in coat coloration patterns and genetic traits valued by breeders. The study suggests that Scythian breeders maintained natural herd structures and selected horses with robust morphologies.

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.

Domestication syndrome: White patches, baby faces and tameness

A new hypothesis proposes that breeding for tameness causes changes in diverse traits, including floppier ears, patches of white fur, and more juvenile faces, due to impaired development or migration of neural crest cells. This unified explanation ties together several components of the domestication syndrome.

What decides neural stem cell fate?

A study by Dr. Alexey Terskikh and colleagues found that the SOX2 gene maintains the potential for neural crest stem cells to become neurons in the peripheral nervous system. This discovery could help inform therapies for neurocristopathies, diseases caused by defects in the neural crest or neurons.

Penn research using frog embryos leads to new understanding of cardiac development

Researchers at University of Pennsylvania have discovered a new understanding of how the heart forms in frog embryos. They found that the blood separation comes from an entirely different part of the embryo, known as the 'second heart field'. This finding has implications for human health, particularly for patients with DiGeorge Syndrome.

Caltech researchers help unlock the secrets of gene regulatory networks

Researchers at Caltech have discovered intricate gene regulatory networks in various organisms, including fruit flies, nematodes, sea urchins, lampreys, and mice. These networks play a crucial role in directing developmental processes, with subtle balances of regulatory signals being essential for proper cell differentiation.

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

Origin of cells for connective tissues of skull and face challenged

A new study suggests that embryonic cells giving rise to connective and skeletal tissues of the skull and facial structures do not originate from the neural crest as previously believed. Instead, they come from a distinct thin layer of epidermal epithelial cells next to the neural crest.

A crucial role for TGFbeta signaling in congenital eye disorders

Researchers used in vivo cell fate mapping to study the role of TGFbeta signaling in congenital eye disorders. They found that NC-derived cells contribute to various eye structures, and TGFbeta signaling is essential for their proper differentiation and morphogenesis.

Deciphering DiGeorge syndrome

Researchers have deciphered a crucial link between genetic microdeletions and DiGeorge syndrome, shedding light on the disease's pathogenesis. The study reveals that TGF signaling plays a pivotal role in neural crest development, which is disrupted in DiGeorge patients leading to characteristic malformations.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Stem cell defects are key to Hirschsprung's disease

Hirschsprung's disease is caused by mutations in genes expressed in neural crest stem cells that impair their ability to form a normal intestinal nervous system. The study identifies Ret and other genes involved in the disease, offering new insights into its causes.

Stem cells found in adult peripheral nervous system

Researchers have discovered stem cells in the adult peripheral nervous system, which can persist into adulthood and give rise to thousands of neurons, glial cells, and smooth muscle cells. This finding has significant implications for understanding the development and repair of the peripheral nervous system.