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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

Surprising recovery of red spruce shows value of Clean Air Act

A new study found that red spruce tree growth has increased by over 75% since 2001, with reduced pollution and warmer winter temperatures likely contributing to the resurgence. The research suggests that the Clean Air Act is working to enhance conditions for red spruce, but future changes in climate may impact their recovery.

Critically endangered South American forests were man made

A new study reveals that ancient communities in South America, particularly the Southern Jê people, played a significant role in expanding the critically endangered Araucaria forests between 1,410 and 900 years ago. The forests, which date back to the time of dinosaurs, were initially established on grasslands and expanded into highlan...

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.

Mixed forests: Ecologically and economically superior

A meta-analysis of 126 case studies from five continents reveals mixed-species forest stands are more ecologically valuable and resilient. These forests also exhibit greater productivity, particularly in areas with favorable water supplies.

Weeds take over kelp in high CO2 oceans

New research from the University of Adelaide shows that weedy marine plants will dominate coastal habitats in high CO2 conditions, replacing kelp forests that support higher biodiversity. Small weedlike species will fuel their growth due to carbon emissions, allowing them to outcompete and outgrow kelps.

Tip sheet for the Frontiers in Ecology and the Environment May 2018 Issue

The article explores four key strategies to prevent environmental generational amnesia, which can accelerate environmental degradation. Coral reef restoration is also discussed, highlighting the importance of herbivory, reducing coral predation, and promoting algae-farming fishes. Additionally, passive acoustic monitoring in freshwater...

Meta Quest 3 512GB

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

High wildfire severity risk seen in young plantation forests

A new analysis of the 2013 Douglas Complex fire reveals that young plantation forests experienced higher severity fires than nearby public forests. Daily weather was the most significant driver, but ownership, forest age, and topography also played critical roles.

Apple iPhone 17 Pro

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

Billions of gallons of water saved by thinning forests

New research finds that thinning forests due to wildfires can reduce water stress and save up to 17 billion gallons of water annually. This approach may help offset the costs of forest restoration, which could increase water flow from Sierra Nevada watersheds by as much as 10 percent.

New research predicts which trees are at greatest risk of beetle invasion

Researchers found that pure conifer stands, particularly pine-dominated areas, were more susceptible to southern pine beetle infestations. The study's findings have important implications for forest management, suggesting that preventative treatments like thinning can be effective in newly-occupied northern ranges.

Large wildfires bring increases in annual river flow

Research analyzing 30 years of data reveals that large wildfires significantly increase annual river flow, but also lead to increased contaminants like sediment and nutrients. Prescribed burns, on the other hand, show no significant impact on river flows.

Biodiversity: All the colors of the rainbow

Researchers have discovered three new species of chameleons in Madagascar, showcasing the island's extraordinary biodiversity. The newly found Calumma uetzi features vibrant display colors when males interact with females, while a second species, Calumma juliae, is found only in a protected forest fragment under threat from deforestation.

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.

New Gulf of Maine study investigates return of kelp

Researchers are monitoring kelp forests in the Gulf of Maine to establish a baseline for future change. They believe a lack of sea urchin predators has contributed to their return, particularly in Midcoast and Down East regions.

Soil fungi may help determine the resilience of forests to environmental change

A recent study found that soil fungi can impact the ability of forests to adapt to climate change. Soil carbon-to-nitrogen ratios increase with ECM dominance and are more associated with low soil nitrogen levels. This suggests that mycorrhizal guilds may be emerging functional traits that define species in terms of their ecological roles.

Growing need for urban forests as urban land expands

A USDA Forest Service study projects that urban land will more than double between 2010 and 2060, affecting forest and agricultural lands. Urban forests are expected to provide billions of dollars in benefits through improved air quality, climate change mitigation, and reduced energy use.

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.

Elephant declines imperil Africa's forests

A Duke University study found that reduced forest elephant populations will lead to significant changes in tree species composition and structure, as well as understory density and nutrient availability. Without intervention, up to 96% of Central Africa's forests may undergo major transformations.

Two new species of stone centipedes found hiding in larch forests in China

Scientists have discovered two new species of stone centipedes in China's larch forests, including Lithobius (Ezembius) tetraspinus and Hessebius luculentus. The newly found species exhibit unique characteristics, such as color patterns and body size, and inhabit relatively moist habitats at high altitudes.

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.

Teaching computers to guide science: Machine learning method sees forests and trees

Researchers at Berkeley Lab and UC Berkeley have developed a novel machine learning method called 'iterative Random Forests,' which can identify high-order interactions in complex systems. This approach enables scientists to gain radically richer information than traditional methods, with applications in biology, precision medicine, ma...

Fixing damaged ecosystems: How much does restoration help?

A new study found that while ecosystems can bounce back from large-scale disturbances, complete recovery is elusive. Passive recovery, which involves halting damaging practices, may be a more effective strategy than active restoration, especially for systems that don't require significant added help.

Landscape genetics branches out to help conserve riverside forests

A study using landscape genetics identified a decline in the endangered maple Acer miyabei's population due to habitat loss and fragmentation. The research highlights the importance of preserving forests along rivers and surrounding them to maintain gene flow, ensuring the long-term survival of this unique species.

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.

Drier conditions could doom Rocky Mountain spruce and fir trees

Climate warming is taking a toll on forest health in subalpine regions of Colorado's Front Range, hindering the establishment of spruce and fir trees. The study found that only three years out of 40 have been conducive to seedling establishment, compared to seven favorable years during the prior 40.

Researchers find post-fire logging harms spotted owls

Researchers have found that post-fire logging operations are responsible for declines in spotted owl territory occupancy, contradicting previous reports of large forest fires. The study suggests that preserving natural processes and reducing human disturbance can help protect this imperiled species.

Celestron NexStar 8SE Computerized Telescope

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

Study: Forest resilience declines in face of wildfires, climate change

A new study found significant decreases in tree regeneration following 21st century wildfires, highlighting the loss of forest resilience. The research team analyzed data from over 1,500 sites across five states, measuring seedlings growing in areas burned by wildfires during the past three decades.

African deforestation not as great as feared

Researchers at Yale University have reestimated African deforestation, finding a 21.7% loss of closed-canopy forests since 1900. The study highlights the importance of focusing conservation efforts in areas with actual deforestation rather than incorrectly labelled savannas.

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.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Climate change and Mediterranean fir forests

Climate simulations predict Mediterranean fir forests will be similar to the driest and hottest periods of the late 20th century under a business-as-usual emissions scenario. Warmer growing seasons may benefit some species in moist refugia, but others could face significant growth declines.

New analysis shows Brazil slows deforestation with land registration program

A new study by Oregon State University shows that Brazil's environmental land registration program has slowed down deforestation on private land, particularly in the Amazon region. The CAR (Cadastro Ambiental Rural) system allows landowners to demonstrate compliance with regulations and provides a mechanism for government monitoring.

New study finds nature is vital to beating climate change

A new study by The Nature Conservancy found that better land management practices can reduce greenhouse gas emissions by 11.3 billion tonnes per year, equivalent to halting oil burning. Natural climate solutions could deliver 37% of the emissions reductions needed to hold global warming below 2 degrees Celsius by 2030.

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.

Global kids study: More trees, less disease

A University of Vermont-led study of 300,000 children in 35 nations reveals that those living near areas with greater tree cover are less likely to experience diarrheal disease. The research suggests that protecting watersheds can have a comparable effect to improved water sanitation.

A win-win for spotted owls and forest management

A study led by University of California, Davis found that spotted owls prefer forests with tall trees (over 105 feet) and high canopy cover, rather than dense understory. This discovery could resolve the management dilemma of balancing owl habitat with forest resilience to wildfires and droughts.

Livestock grazing harming giant panda habitat

A new study reveals that livestock grazing has damaged one-third of giant panda habitat in the park, with bamboos being a crucial food source. The degradation coincides with a nine-fold increase in livestock numbers over 15 years, driven by factors such as increased consumer demand for meat and unclear government policies.

Escaping wildfires

Researchers developed a mapping tool to help fire crews make crucial safety decisions with an eagle's eye view. The study used LiDAR technology to analyze terrain slope, ground surface roughness and vegetation density, revealing the impact on travel rates and escape route efficiency.

Fluke 87V Industrial Digital Multimeter

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

Cultivating marine biomass

A team of UC Santa Barbara scientists will receive funding to develop and test technologies that monitor large-scale giant kelp farms. They will combine existing technology to enable farm managers to carefully monitor kelp beds and maximize yields.

Cloud formation suppressed by biogenic organic emissions

Researchers found that biogenic organic emissions from soil and fallen leaves on forest floors can suppress cloud formation. The study reveals a seasonal variation of aerosol activity controlled by the mass ratio of sulfate and water-soluble organics, with increased suppression in autumn.

Research dog helps scientists save endangered carnivores

A study using scat-sniffing research dogs helped scientists develop a plan to save reclusive jaguars, pumas, and other endangered carnivores by creating habitat corridors that connect protected areas. The model provides maximum habitat connectivity for all species while minimizing costs through privately owned lands and communities.

Climate may quickly drive forest-eating beetles north, says study

A new study predicts that global warming will extend the range of the southern pine beetle, a tree-killing insect, through much of the northern US and southern Canada. The beetle's spread is threatened by rising winter temperatures, which could lead to loss of biodiversity, iconic forests, and damage to tourism and forestry industries.

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.

Shale gas development spurring spread of invasive plants in Pennsylvania forests

A study published in Journal of Environmental Management found a direct correlation between shale gas development activity and the rapid invasion of non-native plant species in Pennsylvania's northern forests. The research suggests that invasive plants can alter forest ecosystems, affecting wildlife habitats and timber harvests.

Local views key to unlocking ways to fairer and more successful nature conservation

Researchers found that an approach to pursuing equity with local communities' perspectives can bring better outcomes for habitats and wildlife, as well as some of the world's poorest people. Current practices are limited in their interpretation of equity, resulting in responses that sustain local perceptions of injustice and miss oppor...

Research examines how insect outbreaks affect forests and bats

Research reveals bark beetles create roosting and foraging opportunities for protected bat species like Barbastella barbastellus. The findings have important implications for forest conservation, highlighting the need to reassess standard management practices.

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.