Bluesky Facebook Reddit Email

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

Neuroprotective effects of low concentration of lithium

The study found that low concentrations of lithium carbonate had a protective effect on SH-SY5Y cells, with reduced expression levels of pyruvate kinase 2 and calmodulin 3. Additionally, western blot analysis revealed increased expression of stress proteins GRP94 and HSP27.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Protein expression gets the heart pumping

Using mouse models, researchers identified a protein that regulates alternative splicing and affects heart contraction and function during postnatal development. CELF1 protein plays a crucial role in regulating certain alternative splicing events, which are associated with endocytosis and vesicular trafficking.

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.

An equation to describe the competition between genes

A team of Caltech researchers has developed a mathematical model to describe the competition between genes for regulatory proteins. The model accounts for the limited availability of transcription factors, leading to correlations between gene copies and a regime where some portion glows green all the time.

Resetting the metabolic clock

Researchers at UC Santa Barbara gained insight into factors affecting mammalian circadian oscillations, which could lend themselves to circadian regulation and pharmacological control. Their work suggests that high-amplitude circadian rhythms are associated with a lower risk of diseases like diabetes and obesity.

Apple iPhone 17 Pro

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

UofL epidemiologist uncovers new genes linked to abdominal fat

A study of over 57,000 people identified five new genes associated with increased waist-to-hip ratio, a precursor to diseases like cardiovascular disease and type 2 diabetes. The research found that one gene, SHC1, is linked to abdominal fat and may play a role in metabolic imbalance.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Evolution can select for evolvability, Penn biologists find

Researchers found that natural selection acts on evolvability, favoring traits that enable rapid adaptation and evolution in pathogens like Lyme disease bacteria. This is evident through increased genetic diversity among unexpressed cassettes, which offer a window into past natural selection for more evolvable VlsE protein.

Untangling Alzheimer's disease

Researchers have identified specific molecules called microRNAs that regulate both good and bad protein levels in the brain. Targeting these molecules may help preserve brain function and detect Alzheimer's disease at an earlier age.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

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

Salvianolate for treatment of cerebral ischemia-reperfusion injuries

Salvianolic acid B, a compound found in salvianolate, has been shown to attenuate brain tissue damage and inhibit neuronal apoptosis in cerebral ischemia-reperfusion injury models. The study suggests that salvianolate increases heat shock protein expression, which may help protect against such injuries.

Mayo Clinic researchers identify biomarker for smoker's lung cancer

Researchers have identified ASCL1 as a biomarker for aggressive adenocarcinomas in smokers' lungs. The protein is associated with increased expression of the RET oncogene, a key driver of cancer progression. Blocking ASCL1 may slow tumor growth and offer a promising target for potential drugs.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

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

The 'weakest link' in the aging proteome

A study published in Cell identifies a subset of proteins in the brain that persist for longer than a year, potentially revealing the molecular basis of aging. These long-lived proteins are thought to be the 'weakest link' in the aging proteome and may play a role in cellular aging.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

DNA-altering enzyme is essential for blood cell development

The study reveals HDAC3 plays a key role in regulating gene expression, chromatin structure, and genome stability. Disruption of HDAC3 expression leads to impaired hematopoiesis, highlighting its importance in stem cell functions and bone marrow failure syndromes.

Apple Watch Series 11 (GPS, 46mm)

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

MET protein levels show promise as biomarker for aggressive colon cancer

Researchers found a strong correlation between MET protein levels and epithelial-mesenchymal transition (EMT) phenotype in colorectal cancer. This association suggests that MET protein may serve as a surrogate biomarker for aggressive colon cancer, potentially enabling personalized treatment approaches.

Hot on the TRAIL of graft vs. host disease

Researchers at Memorial Sloan-Kettering Cancer Center have discovered that expression of TRAIL in transplanted hematopoietic stem cells is critical for an effective anti-tumor response. This finding has led to the development of new therapeutic strategies to suppress graft-versus-host disease while maintaining anti-tumor activity.

Tweaking gene expression to repair lungs

Scientists at the University of Pennsylvania School of Medicine have discovered a way to repair lung damage caused by asthma and chronic obstructive pulmonary disease (COPD) by tweaking gene expression. They found that epigenetic regulators, including HDAC2, play a critical role in regulating lung development and regeneration.

Language protein differs in males, females

A study found that male rat pups have more of a specific brain protein associated with language development than females. The researchers also discovered sex differences in the brain protein in children, with girls having higher levels of the Foxp2 protein in the cortex.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Discovering the secrets of tumor growth

Researchers identified a compound that blocks the expression of BLM protein, crucial for certain tumors to grow. The compound ML216 has the potential to stop tumor growth and is being explored as a treatment for osteosarcomas and soft tissue sarcomas.

Learning the alphabet of gene control

Researchers at Karolinska Institutet have identified the DNA sequences that bind to over 400 proteins controlling gene expression, representing half of all human transcription factors. This discovery provides a valuable resource for furthering our understanding of the human genome and its role in disease development.

The X factor in liver metabolism

Researchers at the University of Texas Southwestern Medical Center found that activating the unfolded protein response (UPR) triggers the expression of Xbp1s, a protein regulating genes needed for metabolic switch. This suggests Xbp1s could play a role in metabolic disease.

How does body temperature reset the biological clock?

A team of researchers from UNIGE, Switzerland, discovers a molecular mechanism that links body temperature to the expression of 'clock genes' and local oscillators. They also find that this mechanism affects detoxification and drug metabolism, with potential implications for understanding human physiology.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Natural birth -- but not C-section -- triggers brain-boosting proteins

A new study by Yale School of Medicine researchers found that natural birth triggers the expression of a protein called UCP2 in the brains of newborns, improving brain development and function in adulthood. In contrast, C-sections impaired UCP2 expression, leading to reduced hippocampal neuron development and related behaviors.

Controlling inflammatory and immune responses

IRCMM researchers defined the genome-wide interaction between Stat3 and glucocorticoid receptor GR to control inflammation. This breakthrough sheds light on how these proteins regulate genes involved in development, metabolism, and immune response.

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.

A small cut with a big impact

Researchers discovered how ARTD1's DNA recruitment is regulated during inflammation, influencing gene expression and inflammation. The protein is cleaved by caspase 7 into two pieces that can no longer bind to DNA, leading to more efficient gene expression.

Jarid2 may break the Polycomb silence

Researchers found that Jarid2, a component of the Polycomb repressive complex 2, occasionally activates gene expression in fruit fly embryos. This challenges the traditional view of Polycomb proteins as transcriptional repressors, suggesting a more complex role for PRC2 and its components in development and cancer.

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.

Long-held genetic theory doesn't quite make the grade, NYU biologists find

Researchers shed light on how physical traits are arranged in body plans by studying fruit fly Drosophila. They found that a single gradient of proteins is not sufficient to form the same body plan in each member of a species, but multiple gradients working against each other create a robust system for normal development.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Plant research reveals new role for gene silencing protein

A study published in Science reveals that a gene silencing protein plays a crucial role in completing the transcription process, which is essential for successful gene expression. The research found that the protein helps to terminate transcription, forming the correct gene product.

Epigenetic signatures direct the repair potential of reprogrammed cells

A study at Tufts University has identified specific epigenetic signatures that can predict the expression of a wound-healing protein in reprogrammed skin cells. This breakthrough brings researchers closer to developing personalized tissue regeneration strategies using stem cells from patients, eliminating the need for human embryonic s...

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

New information on the waste-disposal units of living cells

A team of researchers has provided the most detailed look ever at the proteasome regulatory particle, a critical component in cellular waste disposal. The study's findings have significant implications for understanding protein quality control and potentially treating diseases like cancer.

Tiny worm points to big promise

Researchers at Northwestern University identified nine core genes that protect cells from protein misfolding, a common cause of over 300 diseases. They also discovered seven classes of small molecules that restore proper protein folding and reduce disease progression.

Preview of articles to be published Jan. 3, 2012

Scientists identify chemokine CCL5 as a crucial signal for endothelial progenitor cell recruitment in wound healing. Meanwhile, researchers discover CBX7 acts as a tumor suppressor, regulating cell growth and preventing cancer progression. Additionally, zinc deficiency is linked to severe skin inflammation due to impaired immune functi...

Davis Instruments Vantage Pro2 Weather Station

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

JCI online early table of contents: Dec. 12, 2011

Researchers have identified a protein that contributes to brain tumor resistance to chemotherapy, while also developing a way to predict which liver transplant patients can be weaned off immunosuppressive drugs. High levels of APNG in GBM cells correlated with poorer survival rates, suggesting it may serve as a biomarker for treatment ...

Discovery of a new reprogramming mechanism for tumor cells

Researchers have identified a new reprogramming mechanism for tumor cells, with the protein CPEB4 activating hundreds of genes associated with tumor growth. The study found that inhibition of CPEB4 reduces tumor size by up to 80%, providing a promising avenue for new cancer treatments.

JCI online early table of contents: Dec. 1, 2011

Researchers found that dental pulp stem cells can repair spinal cord injuries in rats, promoting hind limb function and nerve regeneration. A new vaccine combination boosted BCG's effectiveness against tuberculosis by reducing clinical disease and preventing reactivation of latent infection.