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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

Climate change and habitat destruction affect butterfly populations

Butterfly populations in California are declining due to climate change and habitat loss. Researchers found that warmer temperatures are causing lower-elevation species to migrate to higher elevations, while high-elevation specialist butterflies are also facing threats as temperatures become too warm.

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.

Climate change could boost incidence of civil war in Africa

A new study finds climate change could boost the incidence of civil war in sub-Saharan Africa by over 50 percent. Rising temperatures and crop failures may lead to huge potential costs to human livelihoods, with some regions experiencing a 55% increase in conflict likelihood by 2030.

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.

Record high temperatures far outpace record lows across US

New research shows daily record high temperatures occurred twice as often as record lows over the last decade across the continental US. The study predicts that if emissions continue to climb, the U.S. ratio of daily record high to record low temperatures will increase dramatically.

Robot fish could monitor water quality

Scientists at Michigan State University are developing robotic fish that use advanced materials to swim like fish and monitor water quality. The robots will carry sensors recording temperature, dissolved oxygen, pollutants, and harmful algae, providing a high spatial and temporal resolution of data.

New NIST database on gas hydrates to aid energy and climate research

The new NIST database on gas hydrates provides a comprehensive collection of data on the properties of these naturally occurring crystalline materials, which are a potential energy resource and may affect the Earth's climate. The database contains over 12,000 individual data points for 150 compounds and 400 different chemical systems.

Apple iPhone 17 Pro

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

Arctic Sea ice extent is third lowest on record

The Arctic sea ice extent has reached its third lowest point on record, with a minimum area of 5.10 million square kilometers. The ice cover has declined by about 34 percent since satellite measurements began in the late 1970s.

The eScience revolution

The eScience revolution aims to hasten scientific discovery by providing a toolkit for scientists and educators to access and interpret vast amounts of data. Semantic Web technology enables computers to provide meaning to words, linking users to related information and facilitating collaboration between experts and non-experts.

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.

UC San Diego to develop ocean observing cyberinfrastructure

The University of California, San Diego will receive $32 million to develop the Ocean Observatories Initiative's cyberinfrastructure. The system will enable near-real-time access to ocean data, transforming ocean science research and education.

Water scarcity started 15 years ago

A new analysis of 30 years of on-ground and satellite observations reveals the onset of water scarcity in southeast Australia around 1993-1996. This finding underscores the importance of good water information for water resource planning and highlights the impact of climate change on the country's current water resources.

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.

Changes in net flow of ocean heat correlate with past climate anomalies

Researchers at the University of Rochester have found evidence that changes in the net flow of heat into and out of the oceans correlate with past climate anomalies, including abrupt shifts in global temperatures and unusual land temperature fluctuations. The study, which analyzed high-quality data sets, suggests these oceanic shifts s...

Satellites unlock secret to Northern India's vanishing water

A recent study using satellite data has found that groundwater in northern India has been receding by up to 1 foot per year over the past decade, primarily due to human consumption for irrigation. This depletion poses a significant threat to the region's agricultural output, potable water supplies, and social stability.

Satellites unlock secret to northern India's vanishing water

Using NASA satellite data, scientists found that groundwater levels in northern India have been declining by as much as one foot per year over the past decade. Human activities such as irrigation are being blamed for this loss, which is equivalent to filling Lake Mead three times.

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.

Extinct rodent species discovered

An international team of scientists has discovered an extinct rodent species, Eomyops noeliae, based on fossil tooth remains found in Alborache, Valencia. The new species provides valuable evolutionary and paleoenvironmental information related to this rodent.

New predictions for sea level rise

Researchers at University of Bristol predict sea level rise will be between 7-82 cm by end of century, similar to IPCC projections. The new model uses fossil coral data and temperature records from ice-core measurements to achieve accurate predictions.

Rainfall to decrease over Iberian Peninsula

Rainfall in Iberian Peninsula to decline due to climate change, with increased frequency in winter and lower amounts in spring-summer. Climate models predict significant changes by middle of 21st century, with varying effects on seasonal distribution patterns.

World's largest aerosol sensing network has leafy origins

The Aerosol Robotic Network (AERONET) is the world's largest network of ground-based sensors for aerosols, crucial to understanding Earth's climate. AERONET was born from a need to study vegetation using satellites, but Holben shifted focus to aerosols, leading to a better understanding of their role in climate change.

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.

Argonne technology enables high-speed data transfer

GridFTP, a protocol developed by Argonne National Laboratory, has been used to transfer unprecedented amounts of data at a rate of 200 megabytes per second. This technology enables large-scale collaborative science projects to share secure, robust, and high-speed bulk data.

Australia's climate: Drought and flooding in annual rings of tropical trees

Scientists have compiled the first ever growth ring chronology from tropical Australia, revealing that tree growth depends mainly on annual precipitation. The analysis suggests that growth rings are a more suitable proxy data for registering precipitation dynamics in Australia than current methods based on ENSO and IPO.

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.

When climate is iffy, birds sing a more elaborate tune

Researchers found that birds in more unpredictable climates have more impressive singing skills, likely as a way to attract mates. The study suggests that this phenomenon may be an evolutionary adaptation for traits like language and music.

There's a sensor in your pocket

Participatory Sensing enables individuals to identify, measure, and address problems such as air pollution and ecosystem damage using mobile phones. This platform presents scenarios for improving environmental protection and personal healthcare, leveraging the widespread access of mobile devices.

Any way you slice it, warming climate is affecting Cascades snowpack

New research reveals a significant decline in Cascades snowpack due to warming climate, with potential implications for drinking water supplies, fisheries, irrigation, and hydropower. The study used multiple methods to analyze decades-long records of water content in the central Puget Sound basin.

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.

NASA continues to advance international polar year science

Scientists are conducting airborne field campaigns in the Arctic to study Greenland and Iceland ice sheets and their sea ice and glaciers. NASA's ICESat spacecraft is also completing a seasonal survey of the world's ice sheets to gauge changes in ice thickness and mass.

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.

West Antarctic ice comes and goes, rapidly

Researchers modeled West Antarctic ice sheet's past movements and found it collapsed and regrew multiple times due to ocean warming. The study uses deep sea oxygen isotope ratios to deduce Antarctic temperature changes and suggests the ice sheet may collapse if ocean temperatures warm sufficiently.

PowerNap plan could save 75 percent of data center energy

Researchers at University of Michigan propose a plan to save up to 75 percent of data center energy by implementing PowerNap, which puts idle servers to sleep, and RAILS, a more efficient power supplying technique. The approach addresses the significant energy waste in data centers, where computers spend most of their time doing nothing.

March 2009 Geology and GSA Today media highlights

Scientists found reduced export of North Atlantic deep water during Heinrich event 1, supporting hypothesis on freshwater's impact. However, they dispute the existence of a terminal extinction event in the Karoo Basin's continental record.

Tropical lizards can't take the heat of climate warming

Research finds that tropical forest lizards are less tolerant of high temperatures than their relatives at higher latitudes. A temperature change of just a few degrees can significantly reduce their physical performance, making them more vulnerable to extinction. The study's lead author warns that the same concerns apply to other ectot...

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.

Prehistoric global cooling caused by CO2, research finds

A team of researchers found evidence of widespread cooling in Antarctica around 35 million years ago, which was caused by a significant drop in greenhouse gases, particularly CO2. The study used computer modeling and temperature proxies to determine the cause of the cooling.

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.

Using satellites to monitor climate change: Progress and challenges

The NOAA CDR Project aims to address climate change data challenges by stitching together heritage satellite data and incorporating future sources like NPOESS. This project will deliver regular climate information following rigorous scientific standards, enabling understanding of climate variability and change.

Scientist models the mysterious travels of greenhouse gas

A University of Michigan researcher has developed a method to reconcile data on greenhouse gas sources and sinks, improving the accuracy of climate predictions. By analyzing atmospheric sampling locations and satellite data, she aims to predict how carbon levels will evolve in the future.

4 NASA Goddard scientists named 2009 elected AGU Fellows

Four NASA Goddard scientists, John Connerney, Thomas Moore, Richard Ray, and Compton Tucker, have been named AGU Fellows for their outstanding work in the field. They were recognized for their research contributions to planetary science, geophysics, and space plasmas.

Vital climate change warnings are being ignored, says expert

A University of Alberta biologist is sounding the alarm on Canada's neglect of crucial research on climate change's effects on its lakes, reservoirs, and carbon cycles. Studies reveal that lake water levels are depleting at a rate of less than one percent per year, posing a significant threat to emergency water supplies.

Plants take a hike as temperatures rise

Researchers find 93 plant species are moving their flowering ranges to higher elevations due to rising summer temperatures. The study, which spanned 20 years, reveals some plants flowered farther uphill while others stopped at lower elevations.

Meta Quest 3 512GB

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

New data show much of Antarctica is warming more than previously thought

A new study reveals that most of Antarctica has been warming at a rate comparable to the rest of the world, contrary to previous findings on the East Antarctic Ice Sheet. The research used satellite data and weather station measurements to estimate temperature trends and found that West Antarctica warmed more than East Antarctica.

Cosmic rays detected deep underground reveal secrets of the upper atmosphere

Scientists have discovered a strong correlation between cosmic-ray data and stratospheric temperature, allowing for the detection of major weather events such as Sudden Stratospheric Warming. This study has the potential to improve weather forecasting and climate modeling by providing a new tool for monitoring atmospheric conditions.

Scientific sub makes deep-sea discoveries

A four-week expedition to explore the deep ocean south-west of Tasmania has revealed new species of animals, including a bizarre carnivorous sea squirt and giant sponges. The survey also found vast fields of fossil corals dated to over 10,000 years old, providing ancient climate data for models of regional and global climate change.

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.

On the trail of polar lows

A team of scientists has analyzed global atmospheric data for the past 60 years to determine the frequency of polar lows. They found that there is no long-term trend in the frequency of these storms, contradicting previous assumptions about their connection to climate change.

Effects of climate change vary greatly across plant families

Scientists at Harvard University found that different plant families near Walden Pond have reacted to climate change in varying ways, with some facing sharp declines or local extinction due to their inability to adjust flowering times, while others remain more resilient.

Fluke 87V Industrial Digital Multimeter

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