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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

A new way to map how cells choose their fate

Researchers develop ddHodge, a geometry-preserving method that accurately reconstructs cell state dynamics. The technique reveals repeating processes like the cell cycle and identifies critical biological moments in embryonic development, tissue regeneration, and cancer progression.

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Scientists discover new way to shape what a stem cell becomes

Researchers found that manipulating P bodies, cellular storage units, can efficiently create hard-to-develop cell types in the lab. This discovery could lead to advances in fertility treatments, regenerating organs, and testing new drugs. The study also sheds light on how embryos form and disease originates.

Study shows DNA regulatory switch prompts stem cells to give rise to blood

A new study has found that TAF1 operates as a key molecular switch in adult hematopoietic stem cell maintenance and lineage commitment. This discovery challenges prevailing models of gene regulation and has the potential to lead to new therapeutic strategies targeting the molecule, which could improve blood production and transplantation.

Toward recreating the brain’s immune system in a dish

Researchers at Harvard University's Wyss Institute have successfully created human microglia cells in a dish, using induced pluripotent stem cells, within four days. This breakthrough enables new avenues for brain disease-focused research and potential therapeutic perspectives.

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The developmental fate of shell-forming cells is specified autonomously

Researchers at the University of Tsukuba investigated the developmental fate of shell-forming cells in limpets using single-cell transcriptome and gene expression analyses. They found that the developmental fate of these cells was specified independently of interactions with neighboring cell lineages, contradicting conventional hypothe...

3D genome structure guides sperm development

Two landmark studies show that the 3D genome structure coordinates thousands of genes to form a sperm cell. The work identifies two proteins that establish cellular memory and set up a new structure that cements the cell's future fate as a sperm cell.

Bioluminescent cell imaging gets a glow-up

The researchers have developed a groundbreaking method to expand the color palette of bioluminescent protein to 20 distinct colors, enabling advanced simultaneous multi-color imaging. This innovation makes it significantly easier and more cost-effective to monitor multiple targets or track individual cells within a population.

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Keeping close watch on stem cells

Researchers at Osaka University have created an innovative device called INSPCTOR that enables real-time remote monitoring of cell growth in incubators. This technology allows for effective quality control and precise measurement of cellular transformation, which is crucial for advancements in regenerative medicine and drug discovery.

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Career choice in stem cells: Predetermined or self-selected?

Researchers have discovered that embryonic stem cells are guided by a complex interplay of signaling molecules to determine their cell type. The study found that fibroblast growth factor (FGF) acts as an antagonist of the signal molecule BMP, influencing cell differentiation and fate.

Pre-basophils: A basophil origin story

Researchers from Tokyo Medical and Dental University have identified a previously unknown intermediate cell type, pre-basophils, which plays a critical role in the differentiation of precursor cells into mature basophils. These newly discovered cells exhibit higher proliferation capacity and distinct surface protein expression profiles...

Damage control: plant cells use mechanical cues to regenerate damaged tissues

A research group led by Osaka University found that plant mesophyll cells can detect mechanical pressure and differentiate into epidermal cell types via ATML1 gene upregulation. This study reveals the mechanisms involved in plant regeneration and offers new insights into position-dependent cell fate determination.

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Experimental model gets cells to behave as they would in utero

Researchers developed a self-organizing system that models key cellular processes involved in embryogenesis, shedding light on the self-organization of ectodermal cells during neurulation. The study could inform ways to prevent or counteract central nervous system birth defects by optimizing human ectodermal development.

Single gene causes stinging cell to lose its sting

A single gene controls a switch between two alternative cell fates in a species of sea anemone, enabling the transition from a piercing cell to a sticky cell. This finding suggests that the nematocyte cell may have evolved from a spirocyte thanks to the development of the NvSox2 gene.

From cell fat to cell fate

Researchers at EPFL's School of Life Sciences have identified a critical link between cellular lipids and the determination of cell fate. They found that changes in lipid composition can influence the behavior of cells in response to external stimuli, even if the original cell type is identical.

“Disappointing” results reveal potential neural repair approach ineffective

A team of researchers at Fudan University has found that the protein NeuroD1 does not induce microglia-to-neuron conversion as previously thought. Instead, it causes microglial cell death. The study suggests that this finding may be due to experimental artifacts and highlights the need for stringent evidence in scientific research.

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Building a human body through gastrulation

Researchers provide evidence that mammalian and avian primitive streaks evolved independently, using different mechanisms to form the body plan. They suggest alternative landmark for ethical oversight in human embryological research.

Realtime imaging of female gamete formation in plants

Researchers from Nagoya University successfully capture images of female gamete formation in Arabidopsis thaliana, revealing how cell fate is determined and providing insights into plant adaptation. The study's findings have significant implications for understanding fertilization rates and environmental resistance in plants.

Cell contacts in embryonic development determine cellular fate

Researchers at IST Austria have identified a positive feedback loop between cell-cell contact formation and cell fate specification in zebrafish embryos. This loop, triggered by long-lasting contacts, leads to the specification of head mesoderm cells, while short-lasting contacts result in endoderm cells.

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Biomedical research revealing secrets of cell behavior

Researchers at Arizona State University have made significant progress in understanding cell fate determination, a process that governs how cells develop and transition. By using mathematical modeling and synthetic biology techniques, they created artificial gene networks and observed the behavior of cells as they approached their tipp...

'Votes' of sub-cellular variables control cell fate

Researchers at Baylor College of Medicine found that bacterial cells 'vote' on their fate based on sub-cellular variables, rather than random chemical events. This discovery challenges the long-held assumption that cell fate decisions are determined by environmental noise.