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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

Tattoos could be a risk factor for melanoma

A study published by Lund University suggests that tattoos could be a risk factor for melanoma. Researchers found a 29% increased relative risk among tattooed individuals compared to non-tattooed individuals. The link may be due to the immune system's response to tattoo ink, which can lead to exposure to potential carcinogens.

Apple iPhone 17 Pro

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

Electronic tattoo gauges mental strain

Researchers developed a wireless forehead e-tattoo that decodes brainwaves to measure mental strain, providing an objective alternative to subjective surveys. The device can detect increased cognitive demand and predict mental fatigue, with potential applications in workplaces and homes.

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.

Tattoos may be linked to an increased risk of cancer

Researchers from the University of Southern Denmark found that tattooed individuals are more frequently diagnosed with skin and lymphoma cancers compared to those without tattoos. The study suggests that chronic inflammation in the lymph nodes triggered by tattoo ink may lead to abnormal cell growth and an increased risk of cancer.

Tattoo inks: How much color gets into the body?

A new clinical study by the BfR found that tattoo ink contains smaller amounts of liquid components than previously thought. The researchers were able to detect metabolites in blood samples shortly after tattooing began and showed that metabolism functions differently when substances are taken up through the skin.

Tattoo or not tattoo: Testing the limits of beauty in body art

A German study found that facial tattoos received the least positive reception overall, even among tattoo artists. Younger people and those with body art were more tolerant of tattoos, while existing tattoos and expertise played a role in aesthetic appreciation.

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.

Printed e-tattoo ink-credible at reading brainwaves

Scientists at the University of Texas at Austin and UCLA have created an e-tattoo that can measure brain activity using electroencephalography (EEG). The new method uses a camera to map the individual head's shape digitally, allowing for more precise sensor placement. This innovation could transform brain-computer interfaces, making th...

Tattoos to confront the terror of death

In Israel, memorial tattoos have emerged as a way for people to process grief and find meaning after traumatic events. The study found three main themes: Holocaust symbols, Israeli-Jewish nationalist symbols, and military memorial tattoos.

Bacteria detected in tattoo and permanent makeup inks

Researchers have detected anaerobic and aerobic bacteria in commercial tattoo and permanent makeup inks, indicating a potential source of human infections. The study found that around 35% of tattoo or permanent makeup inks sold in the US were contaminated with bacteria, highlighting the importance of monitoring these products.

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.

Possible association between tattoos and lymphoma revealed

A recent study from Lund University suggests that tattoos may be a risk factor for cancer in the lymphatic system. Researchers found that individuals with tattoos had a 21% higher risk of developing lymphoma compared to those without tattoos.

Tattoo inks don’t match the ingredients listed on the bottle

A recent study by Binghamton University researchers found that 90% of commercial tattoo inks in the US market contain major discrepancies between their actual and labeled contents. The study analyzed 54 inks from nine manufacturers and discovered unlisted polyethylene glycol, propylene glycol, and other contaminants.

An ultra-thin tattoo that gives a tactile sensation

Researchers at Istituto Italiano di Tecnologia developed an ultra-thin electronic tattoo that can generate localized tactile sensations. The device uses electro-thermo-pneumatic actuation to produce a force on the skin, allowing users to perceive touch.

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.

Tattoo technique transfers gold nanopatterns onto live cells

Researchers have developed a proof-of-concept technique to attach nanomaterials to living tissue and cells using nanoimprint lithography. The method enables biocompatible integration of smart devices with living tissue, opening up opportunities for biohybrid materials, bionic devices and biosensors.

Are college students with religious tattoos more religious? Yes and no

A recent study by Baylor University researchers found that college students with religious tattoos have a stronger faith and engage in regular religious practices, yet they also exhibit surprising levels of deviance, including increased marijuana use and sexual activity. Tattoes are seen as a way to express strong emotions and identity.

Chest e-tattoo boasts major improvements in heart monitoring

Researchers at the University of Texas at Austin developed an ultrathin, lightweight electronic tattoo for continuous, mobile heart monitoring. The device provides two key measurements: electrocardiogram and seismocardiogram, giving clinicians a better chance to catch red flags for heart disease early.

Graphene ‘tattoo’ treats cardiac arrhythmia with light

Researchers developed a graphene 'tattoo' implant that senses irregular heart rhythms and delivers electrical stimulation without constraining the heart's natural motions. The device is optically transparent, allowing for external light to record and stimulate the heart through the device.

Fluke 87V Industrial Digital Multimeter

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

Palm e-tattoo can tell when you’re stressed out

Researchers at UT Austin developed a graphene-based e-tattoo that tracks electrodermal activity on the palm, enabling unobstructive ambulatory sensing. This technology reduces social stigma and provides accurate readings, addressing limitations of current bulky devices.

Researchers develop painless tattoos that can be self-administered

The Georgia Institute of Technology team has developed low-cost, painless, and bloodless tattoos that can be self-administered using microneedle patches containing tattoo ink. These tattoos have various applications, including medical alerts, tracking neutered animals, and cosmetics.

Exposing what’s in tattoo ink

Researchers analyzed almost 100 inks and found that even when ingredient lists are provided, they often contain inaccuracies. The team also detected small particles that could be harmful to cells, with some particles as small as 100 nm.

Blood pressure e-tattoo promises continuous, mobile monitoring

Researchers at University of Texas at Austin and Texas A&M have developed an electronic tattoo that can deliver continuous blood pressure measurements with accuracy exceeding most available options. The device uses graphene bioimpedance analysis to take precise readings, promising a significant improvement in mobile health monitoring.

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.

An improved ink for colon tattoos

Researchers have created a new type of colon tattoo ink that is more biocompatible and less prone to diffusion than existing inks. The ink uses metal-derived nanoparticles and polymers to adhere to the submucosal surface in the colon, allowing for better identification and removal of complex polyps and tumors.

Light-emitting tattoo engineered for the first time

Researchers have developed a temporary tattoo using organic light-emitting diodes (OLEDs) that can emit green light. The technology has the potential to be combined with other electronics for various applications, including fashion, sports, and healthcare, such as detecting dehydration or signaling expiry dates.

Slinging ink, raising temperatures

Researchers found that tattooed skin has reduced sweat rates, which can lead to increased risk of overheating. The study suggests that the tattooing process damages eccrine sweat glands, potentially causing long-term complications.

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.

Using tattoo ink to find cancer

Using tattoo ink and food dyes, researchers have developed new imaging contrast agents that can illuminate cancers, allowing for better differentiation between cancer cells and normal adjacent cells. This breakthrough aims to improve early cancer detection and localization.

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.

The art of sensing within the skin

Scientists developed permanent dermal sensors that can be applied as artistic tattoos to detect changes in blood pH and metabolite levels. The sensors, based on colorimetric chemical reactions, were tested on pig skin patches, showing accurate detection of biomarkers.

Going for an MRI scan with tattoos?

A systematic prospective study investigated the safety of MRI scans for individuals with tattoos. Researchers found that the risk of side effects is very small and that most participants did not experience any adverse reactions. The study's results provide valuable information on safety guidelines for research and clinical environments.

Need a job? Get a tattoo

A new study from the University of Miami Business School and the University of Western Australia found that discriminating against workers with tattoos puts hiring managers at a disadvantage. The study surveyed over 2,000 subjects and found that visible tattoos are not linked to individual employment, wages, or earnings discrimination.

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.

Patients don't mind if doctors sport tattoos or piercings

A study of nearly 1000 emergency care patients found that visible body art has no discernible impact on perceived professionalism or competence. Patients rated doctors with tattoos and piercings highly for qualities such as caring attitude, approachability, and trustworthiness.

A bioengineered tattoo monitors blood calcium levels

A bioengineered tattoo has been developed to detect elevated blood calcium levels in mice, offering a potential early diagnosis method for conditions like kidney failure and cancer. The tattoo becomes visible on the skin upon detection of high calcium concentrations, providing a proactive measure against diseases.

Tattoo electrodes from an ink-jet printer

Researchers at TU Graz have developed a novel method for creating printed tattoo electrodes that can transmit electrical impulses from human to machine. The electrodes are thin, flexible, and conformable, allowing for accurate measurements over extended periods without restricting patient mobility or comfort.

Celestron NexStar 8SE Computerized Telescope

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

Scientists find that nanoparticles from tattoos travel inside the body

Scientists have found that nanoparticles from tattoos can migrate to the lymph nodes and cause inflammation, leading to potential long-term health problems. The study provides strong evidence for the transport of toxic elements and tattoo pigments, highlighting the need for further research on the safety of tattoo inks.

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.

Being a tattoo artist is a pain in the neck, study finds

A study by Ohio State University researchers measured the muscle exertions of 10 central Ohio tattoo artists, finding they exceeded maximums recommended to avoid injury. The study highlighted issues with ergonomic guidelines and workers' compensation in the industry.

Tattoos mark the spot -- for surgery -- then disappear

Scientists have developed a temporary tattoo ink that marks the spot for future treatment in skin cancer patients. The new ink glows under specific light conditions and can disappear after a period of time, eliminating the need for laser or surgical removal.

Flexible wearable electronic skin patch offers new way to monitor alcohol levels

Researchers at UC San Diego have developed a flexible wearable sensor that can accurately measure blood alcohol levels from sweat, providing real-time monitoring for doctors and police officers. The device, consisting of a temporary tattoo and portable electronic circuit board, can be worn on the skin and transmit data wirelessly to a ...

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.

Smithsonian botanist discovers new ground-flowering plant in Panama

The discovery of Calathea galdamesiana highlights the importance of botanical research and conservation efforts in Panama. The new species is distinguished by its unique leaf shape and ground-dwelling inflorescences, and was discovered during a biological diversity inventory organized by the Panamanian Ministry of the Environment.

Temporary tattoo offers needle-free way to monitor glucose levels

A temporary tattoo has been developed to extract and measure glucose levels in the fluid between skin cells, offering a promising step forward in noninvasive glucose testing. The device, which uses a flexible sensor, can detect glucose spikes after meals with high accuracy.

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.

Tattoo biobatteries produce power from sweat (video)

Scientists create a temporary tattoo sensor that detects and responds to lactate in sweat, producing an electrical current. The device continuously monitors sweat lactate levels over time and with changes in exercise intensity, enabling the creation of sweat-powered biobatteries.

Tattoos reduce chances of getting a job, new research says

Employers view visible tattoos as a stigma, perceiving them as making employees look dirty or unsavory. However, certain innocuous symbols like flowers or butterflies are seen as acceptable. The stigma surrounding tattoos is expected to decrease over time as younger generations increasingly get tattoos.

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.