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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

Deciphering starfish communication may help protect coral reefs

Researchers have discovered a synthetic peptide that attracts Crown-of-Thorns Starfish at low concentrations and with no toxicity, offering an efficient pest-management solution. This breakthrough may lead to the development of potent attractins to control CoTS outbreaks, protecting coral reefs from devastating damage.

Personality test for bees

A study by the University of Konstanz found that individual bees within a colony exhibit different stinging behaviors, with some defending and others remaining calm. Social factors play a role, but personality is a key factor in determining group dynamics.

Alcohol makes male flies sexy

A study found that alcohol consumption boosts the production of sex pheromones in male fruit flies, increasing their attractiveness to females and mating success. This effect is mediated by three neural circuits that balance attraction and aversion to avoid intoxication.

Sensing sickness

Researchers found the UBeeO test can identify colonies resistant to several pests and pathogens that can decimate bee populations. The test mimics the pheromones emitted by sick or dying bees, allowing for a more selective and realistic assessment of hygienic behavior in honey bees.

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.

Exploring how pheromones drive mating behavior in mice

Scientists investigated the role of ancient VR type-1 (ancV1R) receptor in pheromone detection using knockout mice. The study found that ancV1R-deficient female mice had impaired pheromone detection and exhibited abnormal sexual behavior.

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.

Oxidant pollutant ozone removes mating barriers between fly species

Researchers found that elevated ozone levels remove mating barriers between different fly species, leading to increased hybridization and sterile offspring. The study used four species of Drosophila and found that ozone concentrations often measured on hot days can cause flies to mate with closely related species.

New research sets trap for potentially deadly sandfly

Scientists have discovered the specific enzyme responsible for producing a pheromone attractant in a deadly sandfly species. This breakthrough could lead to the development of commercial traps to control the spread of Leishmaniasis, a disease that causes skin ulcers and can be fatal if left untreated.

For this beetle, ‘date night’ comes every other day

Researchers discovered that male large black chafer beetles have a 48-hour circadian clock to detect female pheromones, synchronized with females' mating behavior. The study sheds light on the biological mechanism behind this unusual cycle, leaving experts wondering about the underlying cues that govern natural rhythms.

Apple iPhone 17 Pro

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

Silkmoths: Different olfactory worlds of females and males

Research found that female silkmoth long sensilla recognize silkworm feces as a deterrent, helping females avoid mulberry trees with high silkworm populations. In contrast, male silkmoths have specialized antennae to detect female sex pheromones, but no clear male counterpart has been identified.

Pesticides and adjuvants disrupt honey bee’s sense of smell

Researchers found that pesticide-adjuvant combinations used in almond orchards can interfere with honey bee communication. The study suggests that these chemicals can alter the antennal responses to brood and alarm pheromones, potentially disrupting colony function.

Pheromones influence death feigning behavior in beetles

Researchers found that exposure to the aggregation pheromone 4,8-dimethyldecanal reduces death-feigning duration in red flour beetles, allowing them to save time and increase survival chances. Sex-related differences in death feigning behavior were also observed, with males exhibiting longer durations.

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.

Male moth ‘aphrodisiac’ revealed

Researchers at North Carolina State University identified a specific blend of pheromone chemicals used by male moths during courtship, including an aphrodisiac called methyl salicylate. Female moths can recognize this chemical through two smell receptors, and its presence in males' hairpencils is linked to mating success.

When a rat smells a rat

Scientists at the University of Tokyo have discovered a pheromone that reduces fear in rats, which could lead to more humane methods of pest control. The researchers found that this pheromone, 2-methylbutyric acid, can calm both lab and wild rats, reducing their fear responses.

Celestron NexStar 8SE Computerized Telescope

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

Understanding crop pest evolution may boost biocontrol

Scientists have discovered an ancestral olfactory receptor in the Egyptian cotton leafworm that recognizes the female sex pheromone blend. This finding may lead to the development of new biocontrol methods by targeting specific receptors and blocking pheromone activation.

Happy worms have healthy eggs

A new study found that selective serotonin reuptake inhibitors (SSRIs) improved the quality of aging females' egg cells in roundworms by reducing embryonic death and chromosomal abnormalities. Replication in fruit flies confirmed the findings, suggesting a shared signaling system between species.

Pheromone deters swarming migratory locusts from cannibalism

Researchers discovered a chemical defense mechanism in migratory locusts that deters cannibalism, reducing the formation of destructive swarms. The pheromone PAN protects individuals from being eaten by other locusts when population density increases.

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.

Perfume component helps lure male moth pests

Researchers at North Carolina State University found that adding nonanal, a chemical used in perfumes, to a pheromone blend increases its effectiveness in mimicking female fall armyworm calls. The discovery could help farmers detect and control fall armyworm populations more effectively.

Air pollution impairs successful mating of flies

Ozone exposure destroys pheromones essential for fly mating, leading to abnormal behavior and reduced female attraction. The study's findings highlight the devastating impact of air pollution on insect populations.

Geckos know their own odor

Researchers at the University of Bern discovered that geckos can detect and distinguish their own skin chemicals from those of other geckos, revealing a new level of social complexity in these animals. This finding suggests that geckos are more intelligent than previously thought, using pheromones for communication and self-recognition.

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.

When bugs swipe left

Researchers discovered a single protein called Gr8a that plays an inhibitory role in mating decision-making, helping flies avoid inter-breeding with the wrong partner. The findings provide insight into how signal production and perception are tied together, shedding light on pheromone communication.

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.

The scent that could save California’s avocado

UC Riverside scientists are working with Jocelyn Millar to find the avocados weevil pheromone, which could be used to monitor pests and prevent them from mating in orchards. The goal is to reduce damage to fruit and enable growers to use less insecticides.

Male pheromones improve health of females’ eggs

Researchers found that male pheromones slowed down the aging of female roundworm eggs, resulting in healthier offspring. This finding could lead to pharmacological interventions improving human egg cell quality and delaying reproductive aging. The study used C. elegans as a model organism.

Researchers ID sex pheromone of invasive giant hornet

Scientists have identified three major components of the Asian giant hornet queen's sex pheromone, which can be used as bait to trap and track the insects. The discovery could help locate and remove the invasive species from North America, where it threatens bee populations and crop production.

Fluke 87V Industrial Digital Multimeter

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

Hemoglobin acts as a chemosensory cue for mother mice to protect pups

Researchers found that hemoglobin, an oxygen carrier molecule, acts as a chemosensory signal in lactating mother mice, prompting digging or rearing behavior to protect their offspring. This unique response is mediated by the Vmn2r88 receptor and is controlled by the specific ligand-receptor pair comprising hemoglobin binding to Vmn2r88.

Want to reduce cockroach sex? Block an enzyme

A new study published in PLOS Biology elucidates a female sex pheromone pathway in cockroaches, revealing that blocking an enzyme reduces pheromone production and female attractiveness. The study provides valuable insights into insect sexual behavior regulation.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Fruit flies lose their virginity lightly - and then become choosy

Female fruit flies undergo a behavioral change after mating, becoming more selective towards males with higher levels of aphrodisiac pheromone. This preference is induced by the juvenile hormone and reduces their sensitivity to pheromones, leading them to prefer males with more attractive scents.

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.

To sting or not to sting?

Researchers study individual bees' decision to sting based on alarm pheromone concentration, revealing a 'stopping effect' at high concentrations. The study suggests environmental factors drove the evolution of pheromone-based communication in honeybees' defensive behaviour.

How army ants' iconic mass raids evolved

Researchers found that army ant mass raids originated from group raiding behavior in smaller colonies, with a massive increase in colony size correlating to the evolution of mass raids. The study uses custom computer vision software to track individual ants and analyze their behavior.

How moths find their flame - genetics of mate attraction discovered

Researchers have identified the gene responsible for a male European corn borer moth's preference for its female counterpart's pheromone. The discovery provides insights into the evolution of mating signals and could help predict the spread of resistance to genetically modified insecticides, offering potential benefits for pest control.

Hunger cues

Researchers at Harvard Medical School identified a signaling molecule called neuropeptide-Y (NPY) as the key driver of hunger-dependent odor attraction. Mice with NPY deficiency showed reduced preference for food odors, highlighting the crucial role of NPY in enhancing food attraction when hungry.

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.

Bees form scent-driven phone tree to pass along messages

Researchers discovered that honeybees use pheromones to pass messages along, creating a complex communication network. The bees closest to the queen catch her scent and then transmit it to other bees in the colony, forming a chain of communication.

Red light put moths in the mood

A new study published in Frontiers in Genetics shows that dim red light enhances the mating and egg-laying behaviors of yellow peach moths by selectively activating a genetic pathway related to olfaction. This increase in sensitivity is made possible due to the unique properties of odorant binding proteins secreted by auxiliary cells s...

Breakthrough in the fight against spruce bark beetles

Researchers have identified 73 different receptors in the antennae of the Eurasian spruce bark beetle, enabling characterization of its pheromone response. This discovery could lead to more effective and environmentally friendly pesticides and bark beetle traps.

Constructing termite turrets without a blueprint

Scientists have created a mathematical framework to understand how termites construct intricate mounds without a plan. By analyzing the spacing and arrangement of floors and ramps, researchers have made predictions for the spontaneous formation of linear and helical ramps, shedding light on swarm intelligence.

Explaining the formation of termite nests

African termites' underground nests are built using a self-organized architecture that reflects individual behavior and environmental cues. The study's mathematical model simulates nest construction, revealing consistent vertical and horizontal spacing patterns.

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.

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.

Fighting like cats and dogs?

Researchers found that filling homes with calming pheromones can reduce undesirable interactions between cats and dogs, such as dog chasing cat or barking at cat. Both Feliway Friends for cats and Adaptil for dogs showed positive effects on desirable behaviors like friendly greetings and relaxation in the same room.