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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

Scientists uncover new way to grow rare life-saving blood stem cells

Scientists at McMaster University have made a breakthrough in understanding the regulation of human blood stem cells, allowing for better control and regeneration. The discovery could lead to more people receiving treatment for life-threatening diseases, reducing healthcare costs and wait times.

How cancer stem cells thrive when oxygen is scarce

Researchers found that cancer stem cells multiply through the same mechanism used by embryonic stem cells, encouraged by low oxygen levels. The discovery could offer a path to targeting cancer stem cells and reducing their threat in human cancer.

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

How gut inflammation sparks colon cancer

Researchers at Duke University have discovered that gut inflammation sparks colon cancer, with microRNA miR-34a playing a crucial role in controlling stem cell division. Elevated levels of miR-34a may serve as an early warning system for colon cancer, and its expression could be used to treat late-stage cancer.

Hacking the programs of cancer stem cells

Researchers have discovered a molecule that blocks cancer stem cells' ability to survive and replicate. The compound, LF3, targets the Wnt signaling pathway and reduces tumor growth in living animals.

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Treating colon cancer with vitamin A

Researchers found that vitamin A can reactivate the HOXA5 protein in cancer cells, eliminating relapse and metastasis. This approach offers a new way to treat colon cancer by targeting a specific biological mechanism.

Discovery of an embryonic switch for cancer stem cell generation

Researchers at UC San Diego School of Medicine discovered a specific group of proteins decrease, triggering changes in the cancer microenvironment and accelerating growth of therapy-resistant CSCs. A targeted monoclonal antibody treatment effectively impaired CSC regeneration and made them easier to target with existing therapies.

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USC researcher Min Yu receives the NIH's New Innovator Award

Min Yu, USC scientist, wins $2.475 million NIH New Innovator Award to target breast cancer stem cells for personalized treatment. Her research aims to identify biomarkers and tailor drugs to individual patients, addressing the significant challenge of metastatic cancer stem cells.

Variations in cell programs control cancer and normal stem cells

Researchers discovered that cell programs controlling normal mammary gland stem cells differ from those regulating cancer stem cells, which arise in a distinct layer of tissue. This finding could lead to new cancer treatments by targeting the specific differences between normal and cancer cells.

Can stem cells cause and cure cancer?

A recent study by Fen Wang and Wallace McKeehan reveals that errors in FGF transmission can activate dormant stem cells, leading to cancer. The research supports the existing theory that cancer is a stem cell disease and holds promise for future cancer therapies.

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Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Nanoparticles target and kill cancer stem cells that drive tumor growth

Researchers have designed nanoparticles that specifically target cancer stem cells, which are tough to kill with conventional drugs. The treatment successfully killed CSCs and destroyed tumors in mice tests, with no obvious side effects. This therapy may help overcome the defenses of these hardy cells.

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Stem cells lurking in tumors can resist treatment

Researchers have discovered that slow-growing brain cancer stem cells are resistant to treatment and can survive stress by producing a protein called Abcg1. The study suggests that using different drugs and higher dosages may be necessary to target these treatment-resistant stem cells.

'Stem cell' test could identify most aggressive breast cancers

Researchers developed a test to identify women with triple-negative breast cancer, a form of disease difficult to treat. The test assesses gene activity in breast cancer cells, finding those resembling adult stem cells are more likely to spread and recur.

Graphene shows potential as novel anti-cancer therapeutic strategy

Researchers at the University of Manchester have discovered that graphene oxide can selectively target and neutralize cancer stem cells (CSCs), which are responsible for cancer spread and recurrence. The study suggests that graphene oxide could be used as a non-toxic anti-cancer agent in combination with existing treatments.

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'Bad luck' of random mutations plays predominant role in cancer, study shows

A recent study by Johns Hopkins Medicine reveals that random mutations during stem cell divisions significantly contribute to cancer risk, accounting for approximately two-thirds of the variation. This finding emphasizes the importance of primary prevention strategies, such as lifestyle changes and eliminating environmental factors.

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Reprogramming stem cells may prevent cancer after radiation

A University of Colorado Cancer Center study reveals that reprogramming damaged stem cells can prevent cancer after full-body radiation. The research suggests that genetic inhibition of the C/EBPA gene allows healthy stem cells to dominate the blood cell production system, reducing the risk of leukemia.

Researchers identify new ways to drain cancer's 'fuel tank'

Researchers discovered that mitochondria are crucial for the survival of cancer stem cells and found sixty-two mitochondrial-related proteins showing increased levels. The study suggests new avenues for treatment by restricting cancer's ability to come back after treatment using MCT inhibitors.

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Study gives insight into breast cancer recurrence

Researchers have identified a key role for the FAK molecule in controlling breast cancer stem cell survival and predicting disease recurrence. Blocking FAK activity with a new drug significantly improved treatment outcomes, suggesting a potential method to predict which patients are most likely to experience recurrence.

Scientists engineer toxin-secreting stem cells to treat brain tumors

Harvard Stem Cell Institute scientists have developed a way to use stem cells in the fight against brain cancer. They genetically engineered stem cells to produce and secrete tumor-killing toxins, which were shown to kill cancer cells in mouse brains. This method solves the delivery issue that led to previous clinical trial failures.

Cryptic clues drive new theory of bowel cancer development

Researchers have challenged conventional thinking on bowel cancer development, proposing a new mechanism involving crypt-generating stem cells. The study found that these stem cells are responsible for maintaining and regenerating the 'crypts' in the bowel lining, and their dysfunction may lead to precancerous and cancerous growths.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

CU scientists' discovery could lead to new cancer treatment

Researchers from CU School of Medicine and Taiga Biotechnologies have discovered a way to expand production of stem cells used to treat cancer patients. This breakthrough technology could also be used to treat inborn immunodeficiency conditions, metabolic diseases, and autoimmune disorders.

Scientists uncover stem cell behavior of human bowel for the first time

Researchers at Queen Mary University of London have uncovered the behavior of stem cells in the human bowel for the first time. They found that within a healthy bowel, only a certain number of stem cells can exist within one area at a time, and increased competition for survival is seen in early tumours.

Scientists find important piece in the brain tumor puzzle

Researchers at McGill University have identified SUMO1 as a key player in the proliferation of glioblastoma tumour cells. The study reveals that sumoylation of CDK6 protein stabilizes it, enabling cancer stem cell growth and progression. This breakthrough could lead to targeted therapies for treating brain cancer.

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Herpes-loaded stem cells used to kill brain tumors

Researchers developed herpes-loaded stem cells that significantly improved survival rates in mice with glioblastoma multiforme when applied to tumors. The treatment used mesenchymal stem cells as drug delivery vehicles, allowing oncolytic viruses to replicate and kill residual cancer cells.

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Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Genetic tracking identifies cancer stem cells in human patients

A team of scientists has identified cancer stem cells in patients with myelodysplastic syndromes, a malignant blood condition that frequently develops into acute myeloid leukemia. The study provides conclusive evidence for the existence of cancer stem cells and suggests that targeting these cells could lead to effective treatment.

Immune cells found to fuel colon cancer stem cells

Researchers discovered that a subset of immune cells called Th22 acts as a tumor helper, supporting colon cancer cells in renewing and developing stem cell properties. The study suggests targeting the pathway involving epigenetic factor DOT1L to potentially treat colon cancer.

Pushing the boundaries of stem cells

Researchers at Mount Sinai identified a new technique to expand hematopoietic stem cells in cord blood, making them more useful for adult patients. This study has important implications for patients battling blood cancers and the success of life-saving stem cell transplants.

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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

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A gene family that suppresses prostate cancer

Researchers found that MicroRNA-34 can suppress prostate cancer when paired with p53, but not individually. The study used mice models and found that combined silencing of miR-34 and p53 led to uncontrolled stem cell growth and high levels of cancer.

Cancer researchers discover pre-leukemic stem cell at root of AML, relapse

Cancer researchers have discovered a pre-leukemic stem cell that may initiate disease and trigger relapse in patients with acute myeloid leukemia (AML). This finding offers a potential tool for earlier diagnosis and targeted therapy, as the pre-leukemic stem cell can survive chemotherapy and be found in the bone marrow at remission.

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.

Number of cancer stem cells might not predict outcome in HPV-related oral cancers

A new study from Ohio State University Comprehensive Cancer Center found that the quality of cancer stem cells, rather than their quantity, may be associated with better survival rates in patients with HPV-related oral cancers. Researchers discovered that HPV-positive tumors had fewer cancer stem cells, contrary to previous expectations.

New breast cancer stem cell findings explain how cancer spreads

Researchers have discovered two types of breast cancer stem cells, each playing a crucial role in metastasis. The findings highlight the need for targeted therapies that can tackle both forms of stem cells, offering new hope for patients with metastatic breast cancer.