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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

What do we mean by “brain health” and why should you care about it?

The American Heart Association emphasizes the importance of brain health, citing a growing burden of dementia and neurological conditions worldwide. By adopting healthy behaviors and addressing modifiable risk factors, individuals can improve their cognitive function and reduce the risk of age-related decline.

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.

Missing link found in gamma emission phenomena from thunderclouds

Researchers have discovered Flickering Gamma-Ray Flashes (FGFs), a phenomenon that could be the missing link between Terrestrial Gamma-ray Flashes and gamma-ray glows. Studies reveal dynamic gamma-ray emissions in tropical thunderclouds, challenging previous assumptions about these events.

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.

Breakthrough technology offers promising treatment for ischemic retinopathy

Researchers develop technology that alleviates retinal pathologies by targeting mitochondrial chaperone TRAP1, which is implicated in the breakdown of blood-retinal barrier and pathological neovascularization. This treatment approach holds great promise for revolutionizing the treatment landscape for ischemic retinopathy.

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.

Illinois researchers are first to count growth factors in single cells

Researchers at the University of Illinois have developed a technology platform that digitally counts growth factor binding in individual cells. This breakthrough allows for direct cause-and-effect relationships between growth factors and cell behavior, leading to a better understanding of cell signaling and resistance to cancer treatme...

Protein released from fat after exercise improves glucose

Researchers at Joslin Diabetes Center found that exercise causes dramatic changes to fat, releasing factors into the bloodstream that improve glucose tolerance. The study identified transforming growth factor beta 2 as an adipokine released from fat that has positive effects on health.

Apple iPhone 17 Pro

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

A bolt of insight

A team led by the University of Utah has observed lightning-triggered gamma-rays in more detail than ever before, detecting 10 bursts of downward terrestrial gamma ray flashes between 2014 and 2016. The study provides a major advance in understanding the production mechanism of these rare and high-energy radiation events.

Celestron NexStar 8SE Computerized Telescope

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

NASA's Fermi catches gamma-ray flashes from tropical storms

Scientists analyzed dozens of TGFs launched by tropical storms, confirming that storm intensity alone is not the key factor for producing these events. Most TGFs occurred as systems intensified, with stronger electric fields driving clouds higher into the atmosphere.

Johnson announces £17.7 million for new Healthcare Technologies research

The UK government is investing £17.7 million in four new healthcare technology research programmes to tackle the growing need for treatments of diabetes, dementia, and cancer. The programmes will develop innovative solutions for wound care, neural rehabilitation, cell therapeutics, and immunotherapeutics.

Study suggests epiregulin as a target in lung cancer

A University of Colorado Cancer Center study identifies epiregulin as a potential biomarker for lung cancer, with mice lacking the growth factor developing fewer tumors and reduced inflammation. The findings suggest epiregulin increases cell proliferation, promoting tumor growth.

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.

Engineering new bone growth

Researchers create implantable tissue scaffold coated with bone growth factors that induce rapid formation of new bone. The scaffold induces the body to rapidly form new bone that looks and behaves like original tissue.

NASA sees Hurricane Julio organize and emit a gamma-ray flash

NASA's Fermi and Aqua satellites captured two distinct views of Hurricane Julio as it intensified: a gamma-ray flash produced by the powerful electric fields in thunderstorms, and a more structurally organized storm. These findings provide insights into the complex relationship between thunderstorms and hurricane dynamics.

Blame it on the astrocytes

A new study reveals that astrocytes regulate inhibitory synapse formation through the protein TGF β1 and CaMK2 signaling. This discovery has significant implications for understanding neurological disorders associated with impaired inhibitory synapses.

NASA-led firefly mission to study lightning

A NASA-led mission called Firefly aims to study lightning and terrestrial gamma ray flashes from space. The instrument will gather data for up to a year, shedding light on the global electric circuit's most critical component.

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.

NASA's Firestation on way to the International Space Station

The Firestation experiment will study the link between lightning and terrestrial gamma ray flashes (TGFs), which are brief but intense bursts of gamma rays produced in Earth's atmosphere. The study aims to understand the cause and effect mechanisms behind TGFs and their relationship with lightning.

Growth factor aids stem cell regeneration after radiation damage

Researchers at Duke University Medical Center have found that epidermal growth factor speeds the recovery of blood-making stem cells after exposure to radiation. The finding could lead to new treatments for cancer patients and those affected by dirty bombs or nuclear disasters.

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.

Fermi improves its vision for thunderstorm Gamma-ray flashes

The Fermi Gamma-ray Space Telescope has improved its ability to detect terrestrial gamma-ray flashes, which are brief outbursts of high-energy light produced above thunderstorms. The enhanced detection rate revealed that TGFs also generate a strong burst of radio waves, changing how scientists study this phenomenon.

Feedback loop maintains basal cell population

Researchers at Baylor College of Medicine discovered a positive feedback loop between Notch and TGF beta proteins that maintains basal cell population in the prostate. Disrupting this loop may contribute to prostate cancer initiation.

Smallest tools could give biggest results in bone repair

Researchers have developed modular growth factors that can stimulate bone and blood vessel growth in sheep, showing promise for treating orthopedic injuries and defects. The approach uses flexible proteins to activate specific signaling pathways, reducing the risk of unwanted side effects like cancer.

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.

Engineering cartilage replacements

Researchers at Case Western Reserve University developed a method to engineer cartilage replacements using mesenchymal stem cells and tiny beads filled with growth factor. The new approach showed promising results in creating thicker, stiffer cartilage than previous methods.

8 hours of resistance

Researchers discovered that cancerous cells quickly divide after receiving a growth factor signal because their p53 gene is defective. Healthy cells, on the other hand, wait eight continuous hours before dividing to ensure they receive necessary signals.

Fluke 87V Industrial Digital Multimeter

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

NASA's Fermi catches thunderstorms hurling antimatter into space

Scientists using NASA's Fermi Gamma-ray Space Telescope have detected beams of antimatter produced above thunderstorms, a phenomenon never seen before. The detection is attributed to terrestrial gamma-ray flashes (TGFs) associated with lightning and the spacecraft's ability to magnetically connect with distant storms.

AGU journal highlights -- Feb. 16, 2010

Scientists discover that tidal forces may have triggered the devastating Sumatra earthquake of 2004 and that rising levels of atmospheric carbon dioxide are leading to ocean-basin-wide acidification. A new catalog of terrestrial gamma ray flashes has also been created, providing insights into these mysterious bursts of energy.

New stroke therapy successful in rats

Scientists have discovered a protein that can restore motor function in rats with impaired mobility after a stroke, with administered directly to the brain showing 99% regain. The intranasal method also demonstrates significant behavioral improvements and regenerative anatomical process.

Could some forms of mental retardation be treated with drugs?

Researchers at Georgetown University Medical Center found that a growth factor implicated in mental retardation disorders regulates dendritic spine development and spatial learning. Increasing the transport of this growth factor may be a way to treat these conditions.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Growth factor TGF-B helps maintain health of retinal blood vessels

Scientists at Schepens Eye Research Institute found that TGF-β helps maintain the health of blood vessels in the retina. The study's results suggest that blocking TGF-β can cause retinal dysfunction and lead to diseases like diabetic retinopathy and macular degeneration.

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.

A promising target of anti-fibrotic therapy: herbal compound 861

Herbal compound 861 delays and reverses hepatic fibrosis due to HBV infection through the inactivation of LX-2 cells. The TGF beta1/ALK1/Smad1 signaling pathway is activated by TGF-beta1 and inhibited by Cpd861, making it a potential target for anti-fibrotic therapy

On the road to a new cancer therapy -- starving the tumor

Researchers have discovered a new potential cancer therapy that targets angiogenesis, the formation of blood vessels that feed tumor cells. Anti-PLGF inhibits the growth of VEGF(R)-resistant tumors without affecting healthy vessels, offering a promising alternative to existing treatments.

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.

Blood pressure medication may revolutionize treatment of Marfan syndrome

Researchers have discovered that losartan can prevent the development of aortic aneurysms in mice with Marfan syndrome, suggesting a potential new treatment. The drug works by lowering transforming growth factor beta activity, which is responsible for the syndrome's catastrophic developmental defects.

Unlocking the mystery behind lightning's puzzling friend

A study led by Steven Cummer of Duke University and Walter Lyons found that sprites are generated by major lightning strikes. The total charge, as it moves from the cloud to the ground, is most critical in sprite development. Sprites are brief, lasting only 3 to 10 milliseconds, but can be monitored globally using a single sensor.

Gamma rays from thunderstorms?

Scientists detected gamma rays in thunderstorms, contradicting a long-held theory. The study found lightning strokes preceding the gamma rays, suggesting a negative cause-and-effect relationship.

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.

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.

Anita Roberts to deliver Excellence in Science lecture

Transforming growth factor-alpha (TGF-α) has emerged as a paradigmatic growth factor, defining cell- and context-specific actions attributed to many growth factors. Dr. Anita Roberts will discuss TGF-α's role in wound healing, autoimmune disease, fibrosis, and cancer, and several therapeutic strategies based on the growth factor.