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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

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.

Liquefied natural gas carbon footprint is worse than coal

A new study by Cornell University finds that liquefied natural gas (LNG) exported from the US has a one-third larger carbon footprint than coal when considering processing and shipping. LNG's extraction, processing, transportation, and storage account for approximately half of its total greenhouse gas footprint.

Apple iPhone 17 Pro

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

Study links fracking, drinking water pollution, and infant heath

A new study finds that fracking is linked to poor birth outcomes and contaminants in public drinking water. The research, which analyzed data from Pennsylvania between 2006 and 2015, shows a significant increase in preterm births and low birth weight among infants exposed to fracking-related chemicals.

Catalyst technology converts methane greenhouse gas into useful, valuable chemicals

Researchers at Iowa State University have developed a catalyst technology that converts methane into ethane and ethylene with high efficiency and selectivity. The new technology uses platinum-based MXene structures to break down methane bonds, producing valuable chemicals without emitting the most abundant greenhouse gas, carbon dioxide.

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.

A ‘solid’ approach to sustainable shale gas ethylene conversion

A team of Lehigh University researchers is studying a promising alternative catalytic process based on solid acid catalysts for ethylene dimerization. Using in situ and operando molecular spectroscopy, they aim to understand the surface structures of the catalyst and design more active catalysts with reduced environmental impact.

The fracking boom helps to rose crime rates in rural American states

A study by economists from Ural Federal University and Shippensburg University found that the fracking boom led to increased burglaries and violent crimes in rural US states. The increase in violent crime rates was attributed to factors such as low-skilled temporary jobs, income inequality, and environmental disamenities.

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.

New study: Fracking prompts global spike in atmospheric methane

A new Cornell University study suggests that shale oil and gas production, particularly fracking, is contributing to the increase in atmospheric methane levels. The research found that methane from fracking has a distinct carbon-13 signature, indicating its origin, which was previously misattributed to biological sources.

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.

UNH research finds shale natural gas development impacting recreationists

Researchers found that 12.3% of Pennsylvania outdoor recreationists were substantially impacted by shale natural gas development activities, while 13.8% changed their plans or avoided certain areas due to perceived conflicts between SGD and parks. The study highlights the need for lawmakers, managers, and industry representatives to co...

Fracking causes some songbirds to thrive while others decline

Research found that forest interior birds like the Ovenbird decline in numbers near gas development, while early successional species like the Indigo Bunting increase in population. Conversely, human-adapted birds like the Brown-headed Cowbird are attracted to areas disturbed by fracking.

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.

The physics of extracting gas from shale formations

A new study reviews current knowledge on flow processes during shale gas extraction, outlining how pore distribution and geometry affect gas transport. The authors present a model that matches experimental evidence, revealing the impact of rock bottlenecks on gas production.

Ground and stream water clues reveal shale drilling impacts

Scientists analyzed pre- and post-drilling water samples to identify methane contamination sources near Marcellus Shale gas wells. The study found that drilling-related methane leaks can change water chemistry, mobilizing metals and releasing unwanted compounds.

Hydraulic fracturing and water quality

A study in central Pennsylvania found chemical and isotopic evidence of upward methane migration from the Marcellus shale, suggesting geochemical indicators for distinguishing recent methane contamination. The research also identified geological features facilitating methane migration near hydraulically fractured shale gas wells.

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.

Ash from dinosaur-era volcanoes linked with shale oil, gas

A Rice University study reveals a connection between dinosaur-era volcanoes and the formation of shale gas and oil fields. The research suggests that nutrient-rich ash from thousands of volcanic eruptions led to the creation of these deposits.

For energy experts, new method is a gas

Researchers have created a novel non-invasive method to quantify untapped natural gas reservoirs by analyzing the compositional distribution on porous surfaces inside shale rocks. This method provides both average and deviation values of material properties, aiding decision-making in the industry.

Celestron NexStar 8SE Computerized Telescope

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

UK fracking industry would need strict controls to minimise spill risk

Scientists estimate tens to hundreds of well sites could be needed in the UK to extract shale gas, with hundreds to thousands of wells drilled over several years. The researchers used data from the UK's milk and fuel transportation industries as a comparator for any future UK shale gas industry.

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.

A new method to estimate total organic carbon content

A new estimation approach for total organic carbon (TOC) content is validated using well data from the Goldwyer Formation. The method provides reliable TOC estimates for wells inside and outside the Barbwire Terrace, as well as global lacustrine shale. This improves assessments of shale play prospects and potential hydrocarbon resource.

How fluids flow through shale

Researchers used a coarse-grain approach to model the behavior of fluids in tiny pores within shale rock. The simulations incorporated high-resolution imagery of shale samples, allowing for better probing of the underlying physics. This new understanding could lead to more efficient oil and gas extraction methods.

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.

UK shale gas extraction could be reduced by limited space to develop wells

Researchers from Durham University found that only a quarter of the UK's largest shale gas reserve might be recoverable due to limited space for well development. To minimize land disruption and environmental impact, they recommend locating wells as far apart as possible and operating on a multi-well basis.

Big data approach to water quality applied at shale drilling sites

Researchers at Penn State are using a computer program to analyze water quality data from Pennsylvania's streams, rivers, and private wells to detect potential environmental impacts of Marcellus Shale gas drilling. The study found that methane concentrations tend to be higher around fault lines.

Constructing shale gas sites

A novel algorithm reduces surface-level environmental impacts from shale gas development by more than a third, at a relatively small additional cost. The study, published in Conservation Biology, found that developers can avoid significant environmental disturbances by steering development away from habitats associated with rare species.

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.

One oil field a key culprit in global ethane gas increase

Researchers found the Bakken Formation in North Dakota and Montana emits roughly 2% of global ethane, equivalent to 250,000 tons per year. This single region's emissions are 10-100 times larger than reported inventories and impact air quality across North America.

Analysis shows greenhouse gas emissions similar for shale, crude oil

New studies on shale oil production have found that it generates greenhouse gas emissions at levels comparable to traditional crude oil production. The research analyzed the Eagle Ford and Bakken plays in Texas and North Dakota, respectively, and used a life-cycle model to estimate energy consumption and emissions.

How much water does US fracking really use?

A new Duke University study finds that energy companies used nearly 250 billion gallons of water for US fracking between 2005 and 2014, while generating about 210 billion gallons of wastewater. The study's findings highlight the need for better treatment and disposal methods for chemical-laden flowback water and brine-laden wastewater.

Optimizing shale gas production from well to wire

Northwestern University professor Fengqi You uses life-cycle analysis to make the production more environmentally and economically friendly. By restructuring the supply chain, he found that a network of pipelines can transport freshwater and shale gas, reducing trucks and exhaust emissions.

Creality K1 Max 3D Printer

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

Measuring air quality effects of natural gas extraction in Marcellus Shale region

A Drexel University team conducted a mobile air quality monitoring campaign to assess the impact of natural gas extraction on air quality in the Marcellus Shale region. The study found relatively small increases in air pollutants such as nitrogen oxides and volatile organic chemicals, with elevated ultrafine particles from compressor s...

Juvenile shale gas in Sweden

A new hydrogeochemical modelling approach reveals the specific methane generation process in Europe for the first time. The formation of biogenic shale gas in Sweden's crust is relatively young, dating back to deglaciation around 12,000 years ago.

New technique shows shale-drilling additives in drinking-water taps near leak

Scientists have discovered chemical compounds, including 2-BE and organic contaminants, in the drinking water of three Pennsylvania homes near a reported well-pad leak. The new technique, GCxGC-TOFMS, was used to characterize the contamination, which is believed to have originated from fracking fluids or drilling additives.

Methane monitoring method reveals high levels in Pennsylvania stream

Researchers at Penn State and USGS use a new stream-based monitoring system to detect high levels of methane in Sugar Run stream, consistent with what would be found in shale gas. The findings show that stream monitoring is an effective method for assessing the environmental impact of extracting natural gas using fracking.

Apple AirPods Pro (2nd Generation, USB-C)

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

Rice U. study: US natural gas market buffered against local policy intervention

A new study by Rice University economists found that the US natural gas market would be resilient to potential local policy interventions aimed at limiting access to shale gas resources. The efficiency of the market, driven by deep liquidity and robust infrastructure, renders local policies largely irrelevant to the broader market.

New contaminants found in oil and gas wastewater

Duke University scientists have discovered high levels of ammonium and iodide in oil and gas wastewater, exceeding EPA water-quality thresholds. These contaminants can harm aquatic life and promote toxic byproducts in drinking water when mixed with chlorine.

The state of shale

Researchers at University of Pittsburgh have contributed three studies to a special issue of the journal Energy Technology, focusing on smart wells, wastewater management, and information gaps related to shale gas drilling. The research aims to improve extraction through wireless communication and safely reuse drilling wastewater.

Fracking's environmental impacts scrutinized

A new study finds that shale gas has comparable greenhouse gas emissions to conventional natural gas, but is better than renewables in some areas. However, it's worse than coal in others. The researchers recommend strict regulation to mitigate the environmental impacts of shale gas.

Contaminated water in 2 states linked to faulty shale gas wells

A study by researchers from five universities found that contamination in drinking water wells in Pennsylvania and Texas stems from well-integrity problems such as poor casing and cementing. The analysis used noble gas and hydrocarbon tracers to identify the source of fugitive methane and determine if it is natural or not.

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.

Residual hydraulic fracturing water not a risk to groundwater

New research by Penn State scientists suggests that hydraulic fracturing water is not a significant risk to groundwater, as it is sequestered in the rock formation. The study found that capillary and osmotic forces prevent upward migration of residual treatment water into overlying groundwater.

Drilling in the dark: Biological impacts of fracking still largely unknown

A study by conservation biologists highlights the lack of accessible information on fracking fluid chemistry and spill data, raising concerns about chemical contamination and its impact on plants and wildlife. The authors call for increased transparency and cooperation to minimize environmental damage.

Scientists warn time to stop drilling in the dark

Shale gas development poses significant ecological threats due to air, water, noise, and light pollution. The study highlights the need for improved data collection and transparency on spills, wastewater disposal, and fracturing fluids.

Are Quebecers irrationally opposed to shale gas?

A University of Montreal study reveals that Quebecers' opposition to shale gas is driven by a strong sense of egalitarianism, which skews their perception of the issue. Egalitarians are more likely to perceive risks related to hydraulic fracturing methods, while individualists focus on benefits.

Fluke 87V Industrial Digital Multimeter

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