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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

Radio: The medium that is best dealing with the COVID-19 crisis

A recent study by the Media Psychology Lab found that radio consumption increased significantly during lockdown, with listeners tuning in for news, podcasts, and audiobooks. Radio was also rated as the most credible medium, helping to alleviate feelings of sadness, fear, and anxiety.

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.

Trauma relapse in a novel context may be preventable

A Korea Brain Research Institute study found that the posterior parietal cortex plays a role in fear renewal in novel contexts. This discovery may lead to the development of new treatments for post-traumatic stress disorder (PTSD) and fear-related disorders.

Mindfulness makes it easier to forget your fears

A new study shows that brief daily mindfulness training facilitates extinction of conditioned fear reactions, producing lasting reductions in threat-related arousal responses. Mindfulness appears to have a specific effect on extinction retention, which could improve treatment effects for anxiety and trauma-related disorders.

Chronic opioid treatment may increase PTSD risk

A study published in Neuropsychopharmacology found that chronic opioid treatment before a traumatic event enhances fear learning in mice, potentially linking opioid dependence to PTSD. The findings suggest that individuals with a history of opioid use may become more susceptible to the negative effects of stress.

Apple iPhone 17 Pro

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

Study reveals how brain injury can lead to post-traumatic stress disorder

Researchers at UCLA have discovered that a traumatic brain injury causes changes in the amygdala, leading to increased fear responses and PTSD symptoms. The study found that rats with brain injuries exhibited abnormal neural activity in the amygdala and thalamus, suggesting potential new targets for treating PTSD.

FSU research: Fear not a factor in gun ownership

Gun owners report fewer phobias and victimization fears than non-gun owners, study by Florida State University researchers suggests. The study found exceptions for fears of animals and mugging, and implications for gun policy.

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.

Friendships factor into start-up success (and failure)

Research at Cass Business School found that entrepreneurial groups with strong friendship bonds are more likely to persist with a failing venture and escalate financial commitment. The study suggests that understanding team emotions is crucial for best decision making in start-ups.

Celestron NexStar 8SE Computerized Telescope

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

Anxious people quicker to flee danger

A new study from Caltech shows that anxious individuals flee danger sooner in slow-threat scenarios, but not in fast-threat situations. This suggests that anxiety is a prediction strategy that helps prevent future dangers.

Meditation needs more research: Study finds 25% suffer unpleasant experiences

A UCL-led study found that 25.6% of regular meditators reported experiencing particularly unpleasant meditation-related experiences, including fear and distorted emotions. These experiences were more common among those who practiced deconstructive types of meditation and had higher levels of repetitive negative thinking.

Seven seconds of Spiderman viewing yields a 20% phobia symptom reduction

Researchers found that exposure to Spiderman and Antman movie excerpts reduces spider and ant phobia symptoms by 20%. The study suggests a new direction for positive exposure therapy, which may be an optimal solution for treating phobias. Marvel movies provide an accessible and enjoyable form of in-vitro exposure.

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.

New study advances treatment options for PTSD

A new study published in Proceedings of the National Academy of Sciences found that stress increases fear-promoting brain regions while reducing fear-reducing ones. This shift can be mimicked by increasing norepinephrine release, potentially leading to more effective treatments for PTSD.

Effective fear of heights treatment without a therapist using virtual reality

A virtual reality (VR) treatment called ZeroPhobia has been shown to significantly reduce fear of heights symptoms in individuals. By using cognitive behavioral therapy principles in a fully self-guided format, the study found that two to five percent of the population can benefit from this effective and affordable treatment.

How news coverage of terrorism may shape support for anti-Muslim policies

A new study suggests that news coverage of terrorist attacks can significantly impact emotional responses and support for anti-Muslim policies in Western countries. News articles featuring a high number of offenders elicit both fear of terror and anger towards the government, leading to increased support for immigration bans.

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.

Extinguishing fear memories relies on an unusual change to DNA

Researchers discovered a DNA modification that enhances fear extinction, enabling the brain to rapidly adapt to changing conditions. They found adenosine modifications in neurons involved in fear extinction, which increase levels of brain-derived neurotrophic factor (BDNF) and promote new non-fearful memories.

Brain activity predicts fear of pain

Researchers used machine learning to translate brain activity into fear of pain questionnaire scores, revealing distinct neural patterns for different constructs. The study may reconcile self-reported emotions and their neural underpinnings, providing new insights into pain-related fear.

Your brain on imagination: It's a lot like reality, study shows

A new study shows that imagination can be a powerful tool in helping people with fear and anxiety-related disorders overcome them. Brain imaging studies suggest that imagination can alter the way threats are represented in the brain, leading to extinction of fear responses.

New research suggests your imagination really can set you free from fear

Imagination has been shown to be an effective tool in treating anxiety and fear-related disorders. A recent study found that imagining a threat can help reduce neural and physiological responses associated with fear, making it a promising treatment option for conditions like post-traumatic stress disorder and phobias.

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.

An end to arachnophobia 'just a heartbeat away'

A new study found that exposing people with phobias to their fear at the exact time of their heartbeats significantly reduces phobia severity. Researchers combined computerized therapy with online heart rhythm measurements to treat patients with spider phobia, showing improved anxiety levels and reduced physiological responses.

How to trigger innate fear response?

KAIST neuroscientists discover the anterior cingulate cortex plays a role in inhibiting innate fear responses to predators' odors, shedding light on instinctive fear behavior. The study paves the way for therapeutic treatments of fear-related mental disorders such as panic and PTSD.

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.

Study explores how emotions in facial expressions are understood

Researchers at the University of East Anglia investigated how human participants recognize and detect six basic emotions in facial expressions when viewed centrally and up to 30 degrees in peripheral vision. They found that fear is well-detected but poorly recognized, while happiness and surprise are both recognized and detected well.

Fluke 87V Industrial Digital Multimeter

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

Aggression at work can lead to 'vicious circle' of misconduct

New research reveals that frequent workplace aggression can cause nurses to behave badly towards others, disregarding professional codes. The study found that anger and fear triggered by being targeted can lead to misconduct, while sadness is only associated with health symptoms.

Brain circuit helps us learn by watching others

Researchers pinpoint neural interactions that allow us to learn from observing others' experiences. The ACC and BLA regions in the brain are found to be active when we learn by watching others, and a specific circuit is identified that enables this type of learning.

Gene variant increases empathy-driven fear in mice

Researchers identified a gene variant linked to increased empathic fear in mice, which may contribute to individual variability in neuropsychiatric conditions. The study found that the variant affects neurons in the cerebral cortex, leading to heightened observational fear response.

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.

You don't think your way out of a tiger attack

Researchers discovered two distinct brain areas, cognitive-fear circuit and reactive-fear circuit, that process fear responses to different types of threats. The study used fMRI scans and a virtual predator video game to show how the brain reacts differently to immediate versus distant threats.

The public fear sharks less when they understand their behaviour: Study

Researchers at the University of Sydney conducted an experiment involving over 500 aquarium visitors, showing a decrease in shark fear and blame after understanding shark behavior. The study challenges perceived public support for lethal measures, advocating for a conservation focus instead.

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.

Better sleep, less fear

A study by Itamar Lerner and colleagues found that higher quality sleep patterns are associated with reduced activity in brain regions involved in fear learning. The researchers suggest that baseline sleep quality may be a useful predictor of susceptibility to post-traumatic stress disorder (PTSD).

Learning and unlearning to fear: The two faces of noradrenaline

Scientists at RIKEN Brain Science Institute discovered that emotional and flexible learning rely on noradrenaline's division of labor in the brain. Two types of learning - fear learning and extinction - require distinct populations of neurons, with different projections to the amygdala and medial prefrontal cortex.

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.

US investors shun Quebec firms

A new study found significant US institutional investor bias against Quebec firms compared to those in the rest of Canada. Researchers discovered that US holdings in Quebec firms were a quarter lower than those in other Canadian provinces, with biases varying by firm characteristics.

Researchers show how particular fear memories can be erased

A research team at UC Riverside has developed a method to selectively erase specific fear memories by weakening the connections between neurons involved in forming these memories. This breakthrough has therapeutic implications for treating PTSD and phobias, allowing beneficial memories to be retained while detrimental ones are suppressed.

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.

How fear can develop out of others' traumas

A study from Karolinska Institutet shows that observing others' pain or anxiety activates the same regions in the brain involved in self-perceived pain. This sensitivity can lead to anxiety syndrome and post-traumatic stress disorder (PTSD) in some individuals.

Less fear: How LSD affects the brain

Researchers found that LSD decreases activity in the amygdala, a region related to processing negative emotions like fear. This 'de-frightening' effect may contribute to positive therapeutic outcomes.

Common antibiotic may help to prevent or treat PTSD

A new study found that doxycycline can reduce fear memory responses in healthy volunteers by 60%, suggesting its potential to treat PTSD. The antibiotic disrupts the formation of negative associations in the brain, which is crucial for learning to fear threats.

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.

Less is more: Exposure to stimuli for overcoming phobia

Researchers found that unconscious exposure to phobic images strongly activates brain regions involved in immediate fear processing, reducing the conscious experience of fear. This technique may be effective in treating anxiety disorders in children and adolescents by preparing them for feared stimuli without conscious awareness.

How estrogen modulates fear learning

New research from Emory University School of Medicine found that estrogen modulates gene activity to protect against post-traumatic stress disorder (PTSD). Women with low estrogen levels during certain stages of their menstrual cycle may be more susceptible to PTSD, while high estrogen levels offer protection.

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.

What's really going on in PTSD brains? Experts suggest new theory

Researchers propose that post-traumatic stress disorder (PTSD) results from disrupted context processing, which affects the brain's ability to recognize and respond to stimuli. This disruption can lead to symptoms such as hypervigilance, sleeplessness, and intrusive thoughts.

Psychopaths feel fear but see no danger

Researchers found that psychopaths can experience fear, but have trouble detecting threats automatically, and may even feel fear consciously. The study provides new insights into the neural processes underlying fear and psychopathy.