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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

Cosmic radio bursts point to cataclysmic origins

A team of international researchers discovered four fast radio bursts from cosmological distances, suggesting they originate from extreme events involving relativistic objects. The findings provide a way to study space between galaxies and understand the properties of missing matter in the Universe.

Simple math may solve longstanding problem of parasite energetics

Researchers develop equations to estimate parasite and host metabolic rates, providing a new way to understand the energetics of parasites. The model reveals that there is a limit to how many worms can be accommodated in a host, with energy being the key limiting factor.

Metamorphosis of moon's water ice explained

Scientists from the University of New Hampshire and NASA's Goddard Space Flight Center explain how energetic particles create molecular hydrogen from water ice on the moon. They used data gathered by the Cosmic Ray Telescope for the Effects of Radiation to show that up to 100% of the H2 can be formed via charged particles.

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.

Third radiation belt discovered with UNH-led instrument suite

The Radiation Belt Storm Probes mission, led by the University of New Hampshire, has discovered a transient third radiation belt formed in the wake of a powerful solar event. The new belt was detected using the Relativistic Electron-Proton Telescope and is located at an inner edge of the outer electron belt.

NREL's economic benefit to Colorado totals $814.8 million in FY 2012

The National Renewable Energy Laboratory (NREL) had a significant impact on Colorado's economy in FY 2012, with a total economic benefit of $814.8 million. The laboratory supported approximately 2,300 jobs and invested heavily in construction, including a new parking garage and energy-efficient building.

A quantum dot energy harvester

A new type of nanoscale engine uses quantum dots to convert waste heat into electrical power, potentially making microcircuits more efficient. The system exploits resonant tunneling and can generate a significant amount of power depending on the temperature difference across the energy harvester.

Apple iPhone 17 Pro

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

New study suggests many apples a day keep the blues at bay

A new study from the University of Otago found that consuming seven to eight servings of fruits and vegetables per day can improve mood and overall wellbeing in young adults. The research suggests a strong relationship between positive emotions and higher fruit and vegetable consumption, with no significant impact on other foods.

Mercyhurst University study probes impact of climate change on ectotherms

The Mercyhurst University study assesses the current and future impacts of climate change on the overwintering energetics and microenvironmental conditions of the goldenrod gall fly. The research reveals a significant increase in energy use by larvae during winter, projected to decline with rising temperatures.

X-ray vision can reveal the moment of birth of violent supernovae

A team of astronomers has discovered an excess of X-ray radiation in the first few minutes of collapsing massive stars, potentially revealing the signature of the supernova shock wave. This breakthrough could enable the detection of new supernovae earlier than current methods, allowing for more precise monitoring and analysis.

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.

Anthropologist's research refutes long-held theory on human gestation

Human pregnancy length is limited by a mother's metabolism, not birth canal size, according to new research published in the Proceedings of the National Academy of Sciences. The EGG hypothesis suggests that babies are born when their mother cannot put any more energy into gestation and fetal growth.

Banks' cash stash: No shield against bankruptcy

A recent study published in European Physical Journal B found that imposing minimum capital levels for banks may trigger a widespread banking system collapse. The researchers' model showed that the effect of a single insolvency can trigger an avalanche in the banking system, leading to larger crises.

Hunter-gatherers, Westerners use same amount of energy, contrary to theory

A new study published in PLOS ONE found that hunter-gatherers, such as the Hadza tribe, expend a similar amount of energy daily as Western adults, contradicting the long-held assumption that their ancestors burned more calories. This similarity suggests that habitual metabolic rates are relatively constant among human populations.

Promiscuous squid fatigued after mating

Researchers found that southern dumpling squid's prolonged mating rituals result in temporary muscle fatigue, affecting their swimming ability for up to 30 minutes. This discovery provides new insight into the evolution of reproductive strategies and behaviours.

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.

Go to work on a Christmas card

Researchers at Imperial College London found that UK's discarded wrapping paper and Christmas cards can be turned into high-grade biofuel, powering vehicles with lower greenhouse gas emissions. The study suggests that using this technology could provide a sustainable alternative to fossil fuels.

No need to shrink guts to have a larger brain

Researchers find that mammals with relatively large brains tend to have a somewhat bigger digestive tract. The storage of fat plays a key role in brain size evolution, with more fat an animal species can store leading to a smaller brain.

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.

Why cooking counts

A study by Harvard researchers found that cooked meat delivers more energy than raw meat, contradicting current food labeling. This discovery supports the idea that cooking allowed early humans to extract more energy from their diet, contributing to evolutionary adaptations such as increased brain size and long-distance running ability.

Does converting cow manure to electricity pay off?

Researchers confirmed that converting cow manure to electricity on farms is technically possible. However, the economic viability of such projects heavily depends on factors like government grants, subsidies, and premium paid for converted energy.

Scientists reveal how organisms avoid carbon monoxide poisoning

Researchers have discovered how living organisms, including humans, protect themselves from carbon monoxide poisoning by altering the structure of haemproteins. This mechanism allows for safe levels of internal carbon monoxide production without impairing cellular functions.

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.

Mother kangaroos at higher health risk

A new University of Melbourne study reveals that mother Eastern Grey Kangaroos double their food intake and significantly reduce resting time to meet the nutritional needs of their baby. This altered behavior increases their risk of parasite infection, which may be a significant additional cost for reproducing females.

Molecular imaging detects signs of genetic heart disease before symptoms arise

Researchers use molecular imaging to gauge heart efficiency in subjects with a pathogenic mutation linked to HCM. They find carriers of the mutation already have less efficient hearts despite the absence of any symptoms. Alcohol septal ablation is shown to be an effective treatment for symptomatic patients who remain symptomatic despit...

News tips from the May/June issue of Physiological and Biochemical Zoology

Giant hummingbirds use more energy for their body size than smaller hummingbirds do, but still below the upper metabolic limit. Asexual fish hybrids have lower physiological performance, possibly due to increased reproductive advantage over sexual dace. Small sea birds hold heat rather than increasing metabolism

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.

Swift survey finds 'missing' active galaxies

Astronomers using data from NASA's Swift satellite have found a largely unseen population of black-hole-powered galaxies, accounting for at least one-fifth of all active galaxies. The discoveries were made by analyzing X-ray emissions and finding that these heavily shrouded black holes are extremely faint and difficult to detect.

Study finds energy limits global economic growth

A study published in BioScience finds strong correlations between energy consumption per person and gross domestic product per person across countries and over time. Researchers conclude that increasing energy supply is necessary to meet projected world population growth without compromising living standards.

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.

Fermi's Large Area Telescope sees surprising flares in Crab Nebula

The discovery of gamma-ray flares in the Crab Nebula, powered by a rapidly spinning neutron star, challenges current theories on cosmic particle acceleration. The flares were caused by super-charged electrons of up to 10 peta-electron volts, 1,000 times more energetic than any man-made accelerator.

Blue whale-sized mouthfuls make foraging super efficient

Researchers discovered that blue whales can consume up to 2,000,000 kJ in a single mouthful of krill, providing 240 times more energy than used during a dive. This efficiency is due to the massive size of their mouths, which allow them to engulf large volumes of food.

'Russian doll' galaxy reveals black holes' true power

Scientists have found a miniaturized galaxy with a single massive black hole, which produces radio jets that are much more efficient than previously thought. The discovery was made using CSIRO's Compact Array radio telescope and reveals that black holes can be both more powerful and more efficient.

New equation calculates cost of walking for first time

Researchers found that taller people use less energy per stride when walking, making short people less economical walkers due to taking more steps. A new equation can now be used to calculate the energetic cost of walking based on these factors.

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.

Spending time in nature makes people feel more alive, study shows

A series of studies found that spending time in nature significantly increases feelings of vitality and energy, even in indoor settings. The research, led by Richard Ryan, suggests that nature is fuel for the soul and can provide a natural connection to living things, promoting physical and mental health.

Compression clothing and athletic performance -- functional or fad?

Two studies by Indiana University researchers found little influence of compression garments on running mechanics and economy in highly trained distance runners. While some subjects experienced improvement in their oxygen consumption, it was largely attributed to a psychological component rather than the garment itself.

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.

Cane toad accelerometry and more

This study uses accelerometry to measure the energy expenditure of cane toads, revealing a higher metabolic rate than previously thought. The research provides valuable data for predictive models to optimize control efficiency in invasive species management.

Renewable oil companies

The entry of oil companies into renewable energy could hinder a sustainable economy based on carbon resources. A democratic and equitable transition is necessary to avoid a centralized structure that contradicts the nature of renewable energy sources.

University of Chicago establishes new center for chemical innovation

The University of Chicago has established a new center for chemical innovation to pursue research on non-equilibrium chemistry, materials growth, and reactions in liquids. The center aims to develop new ways to convert methane into synthesis gas, producing liquid fuels and hydrogen.

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.

Is global warming unstoppable?

A University of Utah scientist argues that energy conservation doesn't save energy, but instead spurs economic growth and accelerated energy consumption. The study finds a constant link between global energy use and accumulated economic productivity, tied to a physical constant of 9.7 milliwatts per inflation-adjusted dollar.

Cassini helps redraw shape of solar system

Researchers from Johns Hopkins University present a new view of the region of the sun's influence, suggesting that the heliosphere may not have a comet-like shape. The Cassini spacecraft's images reveal that particle pressure and magnetic field energy density control the shape of the heliosphere.

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.

Satellite reveals surprising cosmic 'weather' at edge of solar system

The Interstellar Boundary Explorer (IBEX) satellite has revealed an unexpected landmark at the outer edge of the solar wind bubble, forming a giant ribbon of energetic neutral atoms. The structure is associated with enhanced production of energetic neutral atoms due to interstellar magnetic forces.

NASA spacecraft provides first view of our place in the galaxy

The IBEX spacecraft has created a new comprehensive sky map of our solar system, showcasing its location within the Milky Way galaxy. The map highlights the region that separates our heliosphere from interstellar space, with bright emissions not previously detected by Voyager spacecraft.

High levels of cycling training damage triathletes' sperm

Research suggests that triathletes who undertake high levels of cycling training have worse sperm morphology and quality. The study found a statistically adverse correlation between sperm morphology and the volume of cycling training undertaken per week.

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.

Does religion make a difference in politics?

Researchers found that Republicans generally value financial success over helping others, while Democrats tend to prioritize intrinsic values. Notable exceptions included non-religious Republicans and religious Democrats who did not differ from each other.

NASA grant funds space radiation research

Researchers are investigating SEP transport in 3D heliospheric magnetic fields to understand why some events occur without magnetic connection to the Sun. The goal is to assess cross-field diffusion's role in charged particle transport.

Small primate ancestors had a leg up

Researchers found that smaller primates have an evolutionary edge due to their ability to climb with minimal energy expenditure. This discovery challenges the longstanding assumption that climbing is energetically expensive for all primates.

Fluke 87V Industrial Digital Multimeter

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

UNH scientists report first findings on key astrophysics problem

Researchers found energetic electrons most abundantly at sites of compressed density within magnetic islands, contradicting previous theories. This discovery provides an important step towards solving the mystery of electron acceleration during magnetic reconnection.

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.