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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

Electrifying biology in a bubble

RNA droplets promote reduction and oxidation reactions, crucial for life, according to UC Santa Barbara researchers. The findings support the idea that these droplets acted as proto-enzymes, enabling the development of more complicated organic molecules.

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

An enzyme neutralizes pathogens by cleaving a bacterial toxin

Scientists at Leibniz-HKI discovered an enzyme called BurK that cleaves the toxic molecule malleicyprol in human pathogenic bacteria. This mechanism regulates toxin levels and renders it harmless to humans, offering a potential therapeutic approach for antibiotic-resistant infections.

Chemistry meets biology: controlling artificial cell membranes through catalysis

Scientists at Institute of Science Tokyo have developed an artificial metalloenzyme-based platform that enables dynamic control of artificial membranes, mimicking the behavior of natural biological membranes. The researchers successfully induced phase-separated domain disappearance and membrane division in artificial membranes using a ...

A step closer to a sustainable method of producing ethylene

Scientists have identified an ancient enzyme called methylthio-alkane reductase (MAR) that breaks down organic sulfur compounds to create ethylene. The discovery opens the door for understanding how these enzymes work and potentially harnessing them for sustainable biofuel production.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Artificial protein mimicking elastin aids tissue regeneration

Researchers developed a novel biomaterial called elastin domain-derived protein (EDDP) that overcomes natural elastin limitations. EDDP promotes cell adhesion and growth, aiding tissue regeneration in damaged tissues like heart valves, blood vessels, or torn ligaments.

Researchers uncover potential biosignatures on Mars

A new study has revealed chemical signatures of ancient Martian microbial life in the Bright Angel formation, a region of Jezero Crater known for its fine-grained mudstones rich in oxidized iron and organic carbon. The findings suggest that early microorganisms may have played a role in shaping these rocks through redox reactions.

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Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Sun exposure changes chemical fate of littered face masks

Face masks degrade into nanoplastics under sunlight, changing their chemical nature and affecting ecosystems. Researchers found that exposure to sunlight is required for the formation of manganese oxide on plastic particles, altering their interaction and transport in the environment.

How your DNA reveals your true age with astonishing accuracy

Researchers at Hebrew University developed a precise method to estimate chronological age from DNA using deep learning networks analyzing DNA methylation patterns. The method achieves age predictions with a median error of 1.36 years in individuals under 50, unaffected by smoking, BMI, and sex.

Long-term obesity and biological aging in young adults

Chronic health issues may emerge from long-term obesity in young adults, leading to epigenetic alterations, telomere attrition, and impaired nutrient sensing. The study found a significant association between long-term obesity and accelerated biological aging, highlighting the importance of addressing obesity early on.

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.

Fig trees convert atmospheric CO2 to stone

Research presents fig tree species storing calcium carbonate in trunks, converting CO2 from atmosphere. The oxalate-carbonate pathway increases soil pH and nutrient availability, making it a potential means to mitigate CO2 emissions.

Fixing the leak: An opioid treatment for dopamine disorders?

Researchers from Florida Atlantic University have discovered a potentially safer treatment for multiple disorders linked to altered dopamine signaling by blocking the kappa opioid receptor. The study found that this approach can correct behavioral deficits and normalize dopamine availability.

Celestron NexStar 8SE Computerized Telescope

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

Microbial proteins reveal chemical signatures of body sites and inflammation

A new study reveals that protein sequences associated with microbial communities in the human gut have uniquely low stoichiometric water content and undergo counterintuitive chemical shifts during inflammation. Microbial communities inhabit distinct chemical environments throughout the human body, influencing microbial evolution.

Action! Proteins critical to healthy brain development captured on film

Salk Institute and UC San Diego researchers captured the first-of-its-kind video of dynein-Lis1 protein interaction, revealing 16 detailed shapes that support designing therapeutics to restore dynein and Lis1 function. The insights gained from this movie will help identify precise locations where drugs can interact with the proteins.

A new complexity in protein chemistry

Göttingen University researchers have discovered previously undetected chemical bonds within archived protein structures, revealing an unexpected complexity in protein chemistry. These newly identified nitrogen-oxygen-sulphur (NOS) linkages broaden our understanding of how proteins respond to oxidative stress.

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

Getting cancer to unmask itself

Researchers from Prof. Yardena Samuels's lab developed a new approach to cancer treatment by manipulating cancer cells to produce dozens of suspicious proteins, leading to a powerful immune response that destroys human cancer cells and slows tumor growth in mouse models.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Were large soda lakes the cradle of life?

Phosphorus is essential for life, but it's rare at Earth's surface. Large soda lakes can maintain high phosphorus concentrations through constant inflow and minimal evaporation. This creates an ideal environment for prebiotic chemistry, making these lakes a potential cradle of life.

Pusan National University uncovers nanoplastic toxicity in zebrafish

A study by Pusan National University uncovers the impact of nanoplastic exposure on red blood cell maturation in zebrafish embryos. Exposure to polystyrene nanoparticles disrupts normal blood cell development, leading to an increase in immature RBCs and a decrease in mature RBCs.

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.

Study confirms fossils can retain original organic materials

A recent study published by researchers at the University of Liverpool has confirmed that Mesozoic fossils, including dinosaur bones and teeth, still preserve their original organic materials. The team used advanced mass spectrometry techniques to identify preserved collagen remnants in a well-preserved Edmontosaurus fossil.

Amazonian mangrove forests provide nutrients for the ocean

A new study reveals that Amazonian mangrove forests release essential trace elements like neodymium into the ocean, supporting marine ecosystems and the carbon cycle. Mangroves act as biochemical reactors, releasing nutrients and metals into coastal waters.

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.

Novel molecular insights into bone remodeling

Researchers identify Fam102a as a key regulator of both osteoclast and osteoblast differentiation, leading to enhanced osteoblast formation and bone volume. The study reveals significant protein-protein interactions involving Fam102a and Kpna2, shedding light on the critical molecular interactions involved in bone remodeling.

From snapshots to motion: watching biology in action

Researchers capture dynamic interplay between RNA polymerase and ribosome, revealing emergent behaviors and communication between the two molecular machines. The study offers new insights into how transcription and translation work together, potentially leading to new ways to fight bacterial pathogens.

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.

A matter of life and death

A team of researchers from the University of Tokyo proposes a new mathematical definition of cell death based on enzymatic reactions and thermodynamics. This definition enables the development of computational methods to quantify the life-death boundary, which could lead to better understanding and control of cellular processes.

It might be wrecking the climate, but CO₂ is actually good for your cells

A team of University of Utah chemists discovered that bicarbonate in CO₂ helps balance pH levels and alters the Fenton reaction, producing milder radicals. This finding challenges how cell damage has been studied for decades and may reshape our understanding of oxidative stress in diseases like cancer or 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.

Super microscope shows nanoscale biological process for the first time

Researchers at Radboud University Medical Center developed a super microscope that combines live imaging and electron microscopy, allowing visualization of protein complexes in real-time. This technique opens up new avenues for studying arterial calcification and its potential link to COVID-19 vaccine entry.

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.

Creating a simplified form of life

Researchers have built two key components of life: an energy conversion system and a nutrient transport system. The first system uses just five components to convert energy, while the second system uses only two components to transport nutrients. These simplified systems demonstrate the feasibility of creating a synthetic cell.

Cellular liquid droplets can cut membranes

Scientists have found that biomolecular condensates can cross membranes without specialized cutting proteins, a process called wetting, which is essential for plant survival. The study shows that these liquid droplets can exert large capillary forces on membranes, cutting them in two and enabling material exchange between cell parts.

A look into 'mirror molecules' may lead to new medicines

Researchers have developed a new chemical reaction to synthesize selectively left- or right-handed versions of mirror molecules, which differ in their biological effects. The new method enables the rapid and efficient production of pure enantiomers, paving the way for testing potential uses against various conditions.

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.

Research team discovers molecular mechanism for a bacterial infection

A Virginia Tech research team has identified a molecular mechanism by which Shigella flexneri bacteria manipulate host molecules to ensure their survival. The study provides a new understanding of the infection pathway and its potential implications for preventing similar infections in other bacteria.

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.

Synthetic mini-motor with enormous power developed

Scientists have created an artificial motor that converts chemical energy into rotational energy at the supramolecular level, mimicking the movement of primitive bacteria. The new development has potential applications in nanorobots for detecting tumor cells and could lead to innovative medical treatments.

A glimpse into the chloroplast workshop

Researchers develop novel method to study ribosomes producing D1 protein, identifying 140 additional proteins involved in its assembly. STIC2 and SRP54 proteins play key roles in correct incorporation of central proteins into thylakoid membrane.

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

Novel chemical tool aims to streamline drug-making process

A team of chemists has developed a novel tool to streamline the drug-making process, enabling researchers to create new molecules quickly and efficiently. The discovery of stable nickel complexes can help reduce the time to market for life-saving medicines while increasing drug efficacy and reducing side effects.

Conformational dynamics and allostery elucidate how GPCR couple to multiple G-proteins, offering mechanistic insights into coupling-promiscuity and novel drug discovery strategies

The study elucidated the mechanisms behind G protein selectivity and efficacy in the human adenosine A2A receptor, discovering changes in activation conformations as the primary cause of coupling promiscuity. The research team used experimental and computational techniques to understand allosteric mechanisms and their role in selective...