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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

The color of birds

Researchers found that birds in tropical climates are not more colorful than those in temperate climates. Instead, birds in harsh desert environments have evolved fancier colors to attract mates quickly. Birds in humid forest environments are darker in color overall.

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.

Two-year results of the COLOR trial presented at TCT 2016

A large-scale multicenter prospective study found that PCI on coronary artery lipid-rich plaque (LRP) detected by near infrared spectroscopy (NIRS) was not associated with subsequent major adverse cardiac events (MACE). The study suggests that NIRS-defined LRP is a safe and stable condition, contrary to previous autopsy-based studies.

New advances in imaging to enhance the detection of GI cancers

Researchers have developed a new imaging technique using hyperspectral imaging to detect and characterize early cancerous changes in the gastrointestinal tract. The technique, which involves increasing color channels during endoscopy, has the potential to improve specificity of lesion identification.

Going green is for girls -- but branding can make men eco-friendly

New research finds that men are more open to purchasing environmental products if their masculinity is boosted through branding. The study used various approaches, including affirming masculinity and changing product associations, to demonstrate the effectiveness of rebranding green products as masculine.

Fluke 87V Industrial Digital Multimeter

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

Ultrasensitive sensor using N-doped graphene

Researchers developed an ultrasensitive chemical sensor using N-doped graphene and Raman spectroscopy, detecting trace amounts of molecules in solutions. The technique significantly enhances the Raman signal, allowing for detection of organic molecules at very low concentrations.

When red evokes mischief

A new study found that people with high sensation-seeking personalities are more likely to engage in prank behavior when encountering the color red. This contradicts previous research suggesting that red leads to compliant behavior. The findings have implications for health campaigns, such as anti-smoking and safe sex initiatives.

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.

Weird pupils let octopuses see their colorful gardens

Researchers propose that cephalopods' U-shaped or dumbbell-shaped pupils can judge color by accentuating chromatic aberration, allowing them to focus on specific wavelengths. This unique visual system may enable camouflage and mimicry despite being 'colorblind'.

Camouflage artists, in color

A study by Harvard University scientists suggests that cephalopods can perceive color through chromatic aberration, which allows them to detect different wavelengths of light. This mechanism enables the animals to create vivid camouflage abilities despite being limited to black and white vision.

MRI technique induces strong, enduring visual association

Researchers at Brown University used a novel MRI technique to induce people to perceive colors that weren't really there, targeting early visual areas of the brain. The study showed that associations were learned strongly enough to persist for up to five months.

Living, non-living, transformed ... simply food

Researchers Rumiati and Foroni review how food is represented in the brain, exploring theories on sensory-functional and domain-specific categorization. They find that the 'foodstuff' category can help disambiguate among approaches and highlight the importance of variables like transformation and perceived calories.

Meta Quest 3 512GB

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

Squeezing out opal-like colors by the mile

Researchers develop Bend-Induced-Oscillatory-Shearing (BIOS) process to produce hundreds of meters of polymer opals on a roll-to-roll process, exhibiting chameleon-like color-shifting properties. The material has potential applications in smart clothing, building coatings, and banknote security.

Do bed bugs have favorite colors?

Researchers found that bed bugs strongly preferred red and black colors, but avoided green and yellow due to their resemblance to brightly-lit areas. The study's findings may have implications for controlling bed bug populations by using color preference in traps.

Building a CRISPR rainbow

Researchers have developed a new technology using CRISPR/Cas9 to label and track up to seven different genomic locations in live cells. This allows for real-time study of chromosome dynamics and gene expression, enabling better understanding of biological processes and health outcomes.

A new system for color vision

Researchers found a previously unknown type of neuron called J-RGCs that signal color to the brain by comparing signals from ultraviolet cones and rods. This discovery may help explain why humans perceive the color blue in dim light, as proposed by Van Gogh's Starry Night painting.

Apple iPhone 17 Pro

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

Expectation may be essential to memory formation

Researchers propose expectancy-based binding theory, which suggests that subjects remember features without necessarily attaching them to the target object. This contradicts traditional theories of object-based and feature-based encoding., Attention alone is not enough for accurate memory recall, according to the study.

Fifteen shades of photoreceptor in a butterfly's eye

Researchers found that Common Bluebottles have 15 photoreceptor classes, one for each wavelength of light, allowing them to distinguish millions of colors. This discovery reveals a unique system in butterfly vision, where four classes are used for routine color vision and eleven others detect specific stimuli.

Ruby red improves in the microwave oven

Researchers tested a new way to treat colour problems in rubies by using microwaves. The study found that the microwave treatment led to visible changes in the gemstones' colour and structure.

Perception: Brain integrates features directly to patterns

A philosopher at Ruhr-University Bochum argues that our brain constructs complex contents immediately upon spotting an object, integrating typical features into a pattern. This process is evident in both individual and social perception, and has evolutionary significance.

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.

New study reveals that prelinguistic infants can categorize colors

A new study reveals that prelinguistic infants (5-7 months) exhibit brain activity in response to color categories, indicating an innate ability to categorize colors. This finding suggests that color perception is independent of language and can develop independently of linguistic acquisition.

Aluminum nanoparticles could improve electronic displays

Researchers develop aluminum nanostructure pixels using plasmon resonance to create vibrant colors across the entire visible spectrum. The new approach enables the production of high-resolution images and improved display performance.

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.

Oregon research suggests color affects ethical judgments of brands

A study by University of Oregon and University of Cincinnati researchers found that colors like blue are associated with eco-friendliness, while green can have the opposite effect. The findings suggest that color in a brand's logo influences consumer judgments on environmental friendliness.

New technology colors in the infrared rainbow

Researchers at Duke University have developed a technology that brings true color to infrared imaging systems, capturing specific wavelengths from the visible to the infrared spectrum. This allows advanced thermal imaging systems to be produced faster and cheaper, with higher sensitivity.

Bright idea for lowlight photography

University of Utah engineers develop a new color filter that lets in three times more light than conventional filters, resulting in cleaner and more accurate pictures taken in lowlight. The filter can be used for smartphone cameras and industrial applications.

Signs point to imminent public health workforce exit

A new study reveals that 38% of state public health workers plan to leave the workforce by 2020, with those aged 25-40, racial and ethnic minorities, and those with fewer than 10 years of experience being most likely to exit. The study also highlights pay disparities between different groups in the public health sector.

Subliminal effect of facial color on fearful faces

Researchers at Toyohashi University of Technology found that facial color affects early stage of subliminal processing of facial expression. Facial bluish color increases N170 latency effect compared to natural color, indicating modulation of fearful expressions in the subliminal condition.

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.

People worldwide -- even nomads in Tanzania -- think of colors the same way

Researchers found that people worldwide, including nomadic hunter-gatherers in Tanzania, group colors into categories similar to those used by other cultures. This study suggests a combination of nature and nurture influences color naming, revealing cultural universals despite dramatic diversity within each culture.

Smoke from western fires wafts eastward

Smoke from western fires mixes with atmospheric particles to obscure landmasses in eastern states, altering sunset colors. Residents notice increased reddish hues due to filtering of shorter wavelength light by smaller smoke particles.

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.

Look at me! Forest-dwelling anoles 'glow' to attract attention

A new study found that male anole lizards' glowing dewlaps make their visual signals easier to detect by females in shaded habitats. The translucent coloration allows light to pass through, increasing the signal-to-noise ratio and making the lizard's colors more conspicuous against a visually noisy background.

Animal-eye view of the world revealed with new visual software

Researchers developed software to analyze colors and patterns as animals see them, useful for studying animal and plant signaling, camouflage, and predation. The software converts digital photos to animal vision, providing a user-friendly solution for scientists.

Female stink bugs 'select' the color of their eggs

Researchers discovered that female stink bugs change the color of their eggs depending on the surrounding light environment. The darker-colored eggs, which are not darkened by melanin but a previously unknown pigment, offer protection against UV radiation when laid on top of leaves.

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.

Surprise -- subtle distractors may divert action more than overt ones

Researchers found that subtle visual distractions caused significant deviations from the intended path, contrary to intuition. The study's findings suggest a new phenomenon where the brain employs a suppression mechanism to tune out bigger distractions, but struggles with less apparent ones.

Human color vision gives people the ability to see nanoscale differences

Researchers discovered human eyes can distinguish between thin films of different thickness by observing color differences, achieving precision beyond normal human vision. This ability rivals techniques like ellipsometry, which measure minute thicknesses, and could be used as a quick check by experienced technicians.

Mirror-like display creates rich color pixels by harnessing ambient light

Researchers at Qualcomm MEMS Technologies developed a display technology that harnesses natural ambient light to create an unprecedented range of colors. The new design uses a mirror and absorbing layer to reflect more of the incoming light, enabling the full spectrum of visible light to be displayed.

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.

Washington wildfire in California

A lightning strike sparked the Washington Fire near California Highways 4 and 89, fueled by strong erratic winds and severe drought conditions. The fire has grown to 8,000 acres since initial firefighting efforts began on June 19.

When the color we see isn't the color we remember

A Johns Hopkins University-led team discovered that people's brains tend to store colors as one of just a few basic hues, rather than specific shades. This bias affects memory accuracy, making it difficult for individuals to recall the exact color of an object.

Jumping spiders are masters of miniature color vision

Researchers discovered jumping spiders use 'spectral filtering' to see in three color channels, like humans. Their principal eyes detect red, green, and UV light, with a filter converting some green-sensitive cells to see red.

Three perspectives on 'The Dress'

Scientists Bevil Conway and his team found impressive individual differences in color perception, with people falling into three main camps. The survey also revealed that perception differed by age and sex, suggesting the influence of light on visual systems. These findings shed light on how different brains interpret colors.

Real and false-color images of Siberia

NASA's Aqua satellite captured false-color images of Siberia's massive wildfires using MODIS instrument. The false color image shows the extent of the burn scars, while the natural-color image highlights actively burning areas outlined in red.

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.

'This never would have happened with a red dress'

The researchers found that all test subjects perceived similar color shades with varying lightness but not actual colors. The perception of daylight locus is influenced by the position of the sun, causing variations in lighting conditions.

Wearing red can make you appear angry and dominant

A study by Durham University found that men wearing red are perceived as more aggressive and dominant than those in blue or grey. The results suggest that the colour red is a warning signal in nature and may influence social perceptions of dominance and aggression.

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.

Telling the time by color

Research reveals color has a major impact on how our body clock measures time of day, outperforming brightness as a reliable method. The study found that changes in light color between blue and yellow are more sensitive to the body clock than changes in brightness.

Look, something shiny! How color images can influence consumers

A study at Ohio State University found that color images lead to a greater focus on small product details, while black-and-white images aid in focusing on key features. This discovery suggests that marketers can strategically use color or its absence to alter consumer perceptions of products.

Silver-glass sandwich structure acts as inexpensive color filter

Researchers at Northwestern University developed a technique to transform silver into any color of the rainbow using a 'sandwich-like' structure. By adjusting the glass thickness, different colors can be produced. The filter also acts as an absorber for specific wavelengths, making it suitable for optoelectric devices.

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.

Christmas colors disguise gliding lizards in the rainforest

Research found that gliding lizards in Borneo mimic the colours of falling leaves to camouflage, using extendable gliding membranes. The study suggests that populations have evolved different coloured membranes to match their habitats, allowing them to blend in with their surroundings.

A clear, molecular view of how human color vision evolved

Researchers have completed a detailed picture of human color vision evolution, tracing 7 genetic mutations and 5,040 pathways from UV to blue-light vision. The study clarifies molecular pathways at the chemical, genetic, and functional levels.

The fine-tuning of human color perception

Researchers analyzed 5,040 evolutionary paths of human color vision, finding that 4,008 trajectories are terminated prematurely due to nonfunctional pigments. The study's findings emphasize the importance of understanding molecular evolution and genetic engineering in decoding protein mutations' effects.

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.

How bird eggs get their bling

The study reveals the presence of a weak iridescence in Tinamou eggs, creating superficial colors and color changes depending on angle and light. The researchers' investigation uncovers an ultra-smooth coating as the key to the eggshell's glossy appearance.

Female color perception affects evolution of male plumage in birds

A new study from the University of Chicago found that female birds' color vision is essential for mate selection and sexual dimorphism. The research, published in the Proceedings of the Royal Society B, suggests that the expression of a specific opsin gene is linked to the evolution of colorful plumage in males.

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.