Bluesky Facebook Reddit Email

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

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.

EEG pattern reflects brain's shift into low-energy, protective mode

A mathematical model predicts and explains the emergence of burst suppression, a low-activity state in response to reduced cellular energy. The study suggests that burst suppression may be used to guide induced coma and track recovery from brain injuries, offering new insights into brain neurochemistry and neurophysiology.

Young children exposed to anesthesia multiple times show elevated rates of ADHD

A recent study conducted by Mayo Clinic researchers has found that young children who are exposed to anesthesia multiple times before the age of three have a higher risk of developing attention-deficit/hyperactivity disorder (ADHD). The study, which utilized data from the Rochester Epidemiology Project, found that children with two or ...

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.

Mayo Clinic study: multiple surgeries and anesthesia exposure

Researchers found that children exposed to general anesthesia and surgery before their second birthday were approximately three times as likely to develop speech and language problems compared to those who never underwent procedures. The study, published in Pediatrics, suggests that anesthesia exposure may affect brain development and ...

Common stimulant may speed recovery from general anesthesia

Researchers at Massachusetts General Hospital discovered that administering methylphenidate, a commonly used stimulant drug, can significantly speed up recovery from general anesthesia in rats. This breakthrough could potentially reduce post-anesthesia complications and improve patient outcomes.

Apple iPhone 17 Pro

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

Deaths from anesthesia during childbirth plummet

A recent study found that the number of women dying from complications of anesthesia during childbirth has plummeted 59 percent, thanks to better monitoring and medical techniques. The risks associated with general anesthesia have been dramatically reduced, but regional anesthetic-related deaths have slightly increased.

Uncovering the neurobiological basis of general anesthesia

A review article brings together neuroscience and sleep medicine to understand the biological mechanisms underlying general anesthesia. The authors highlight differences between general anesthesia and states similar to sleep and coma, while also exploring how anesthetic agents interact with brain circuits.

Children's agitation after surgery may be preventable

Temporary combativeness in anesthetized children may be prevented by reducing epinephrine production with specific drugs, according to a medical expert. This can improve post-surgery experience for both children and their families.

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.

Misuse of anesthesia could cause hepatitis virus transmission

A new study published in Gastroenterology highlights the risk of hepatitis B and C virus transmission through contaminated anesthesia. Reuse of syringes and medication vials without proper sterilization can lead to viral transmission, emphasizing the need for strict adherence to sterile techniques in healthcare settings.

Awake sedation for brain surgery may shorten hospital stay

A new study suggests that awake sedation for brain surgery can shorten hospital stays by 3.5 days compared to general anesthesia. The study also found a 36% decrease in post-intensive-care direct cost for cases receiving conscious sedation.

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.

Brain responses during anesthesia mimic those during natural deep sleep

Scientists at the University of Wisconsin-Madison reported finding brain response patterns similar to those during natural deep sleep under anesthesia. The study suggests that loss of consciousness may be linked to a breakdown in cortical connectivity, lending support to the integrated information theory of consciousness.

Need for emergency airway surgery for hard-to-intubate patients reduced

A comprehensive program at Johns Hopkins has reduced the need for emergency airway surgery by 67% by providing a standardized cart with essential supplies and training staff on its use. The program's success story highlights the importance of organization and teamwork in improving patient outcomes.

Meta Quest 3 512GB

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

Genetic risk, not anesthesia exposure, impacts cognitive performance

A study of over 2,000 identical twins found that early-life medical problems are associated with an individual's risk for developing learning disabilities, rather than anesthesia exposure. The research suggests that screening for learning problems should take place before surgery.

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.

Mayo researchers find anesthesia not harmful for babies during birth process

Researchers at Mayo Clinic found that children exposed to general anesthesia during C-section delivery have no higher risk of learning disabilities. Babies delivered via Cesarean with epidural anesthesia had a reduced risk of learning disabilities compared to those delivered vaginally or with general anesthesia.

Mass. General team develops potentially safer general anesthetic

A new general anesthetic called MOC-etomidate has been developed that maintains blood pressure stability while avoiding prolonged adrenal gland suppression. Animal studies verify its effectiveness in inducing anesthesia without adverse effects on blood pressure or adrenal activity.

HJF publishes handbook on managing pain of battlefield trauma

The HJF has released the Military Advanced Regional Anesthesia and Analgesia Handbook, providing education on advanced battlefield regional anesthesia techniques and acute pain medicine. The handbook aims to manage the pain of combat trauma and is intended for use by deployed medical forces.

Does the stress of being a parent lead to decay in children's teeth?

A study found that parents with low income, limited education, and single status experience higher levels of stress, which increases the likelihood of their children developing tooth decay. Conversely, receiving treatment for a child's dental decay can decrease parental stress levels.

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.

Cooling the brain prevents cell death in young mice exposed to anesthesia

New research from Washington University School of Medicine suggests that cooling the brain may prevent nerve cell death in infant mice exposed to anesthesia. The study found that hypothermia blocked neuroapoptosis and reduced low-level neuroapoptosis during brain development, potentially preventing cognitive and developmental delays.

Common anesthetic induces Alzheimer's-associated changes in mouse brains

Research shows that isoflurane, a commonly used anesthetic, can induce Alzheimer's-associated changes in mouse brains, including generation of toxic amyloid-beta protein and apoptosis. The study confirms previous laboratory findings and suggests potential risks for elderly and Alzheimer's patients.

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.

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.

Mayo Clinic real-time 3-D ultrasound speeds patient recovery

Mayo Clinic physicians have developed a new technique using real-time 3-D ultrasound to block nerve function in selected areas of the body prior to surgery. This allows patients to recover faster and with less need for pain medication. The technique has been successfully used in over 150 surgeries, showing improved outcomes for patients.

Pain control after surgery reduces days of hospitalization

A University of Pittsburgh study found that effective postoperative pain control using continuous peripheral nerve block reduced average hospital stay length by nearly a day. The study analyzed data from over 1,500 patients and showed a significant economic benefit in reducing hospital-acquired infections and complications.

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.

U. Iowa research improves health care delivery for children

Researchers at UI Hospitals and Clinics discovered a fundamental problem in predicting case durations for diagnostic scans under anesthesia. By analyzing experts' estimates, they implemented a solution that significantly improved accuracy and reduced pre-anesthesia fasting times for young patients.

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.

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.

Fat tissue surrounding thoracic arteries may be beneficial

A study found that fat surrounding internal thoracic arteries produces a factor that can relax the artery, alleviating contraction during CABG surgery. Retaining this fat tissue may help improve blood flow, providing an alternative to drugs that cause cellular damage.

'No sweat' CT-guided injection treats embarrassing hand condition

A new CT-guided injection treatment has been found to be highly effective in treating palmar hyperhidrosis, a condition that affects up to three out of every 100 people in the US. The procedure involves injecting medication into nerve tracts and nodes, resulting in immediate successful results for 47 out of 50 patients.

Study does not support use of anesthesia as heroin withdrawal method

A study published in JAMA found that anesthesia-assisted rapid opioid detoxification is not more effective than other treatment methods and can be associated with health risks. Only 11% of patients continued in treatment for 12 weeks, highlighting the need for effective relapse prevention strategies.

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.

Women more afraid of dentists than men: University of Toronto study

A nationwide Canadian study found that 5.5% of surveyed Canadians are very afraid of visiting the dentist, leading to over 400,000 people missing annual appointments and 1.5 million cancelled or avoided appointments at some point in their lives. Increased use of general anesthesia or sedation may be a potential remedy for this issue.

Mayo Clinic Proceedings studies risk factors for blood clots

Research from Mayo Clinic Proceedings reveals that patients traveling long distances prior to surgery are at increased risk of postoperative blood clots, which can be life-threatening. The study also found a threshold for anesthesia duration that increases the risk of blood clots in veins after surgery.

Patients' favorite music during surgery lessens need for sedative

Researchers at Yale University found that playing a patient's favorite music during surgery reduces the need for sedatives. In contrast, using white noise or no headphones did not decrease sedative requirements. The study involved 36 patients at Yale-New Haven Hospital and 54 patients at the American University of Beirut Medical Center.

Celestron NexStar 8SE Computerized Telescope

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

Narcotic drugs effective for severe, chronic pain in older patients

A study finds that opioid medications are safe and effective for long-term pain relief in older patients, but pose risks for younger patients. Older patients experience significant relief with minimal dose escalation, while younger patients show no long-term benefit despite high doses.

Nursing mothers having surgery -- How long a wait to breastfeed safely?

A new study suggests that breastfeeding mothers can safely resume nursing after undergoing surgery with the anesthetic propofol. The research found that less than 0.1% of the drug's dose is present in breast milk within 24 hours, minimizing infant exposure and justifying uninterrupted breastfeeding.