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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

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.

Topics of teen sibling fights affect anxiety, depression, self-esteem

Teens who fight with siblings over equality and fairness issues are more depressed a year later, while those who fight about personal space issues have lower self-esteem. Younger brothers with older brothers and girls with brothers experience more anxiety, leading to lower self-esteem.

Researchers induce, relieve depression symptoms in mice with light

Scientists have discovered that a specific region of the brain, the ventral tegmental area, plays a key role in both inducing and relieving depression-like symptoms. By controlling this region with light stimulation, researchers were able to reverse depressed states in mice, providing new hope for future treatments.

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.

Paradox of aging: The older we get, the better we feel?

Researchers found that older adults who reported better well-being had higher education, cognitive function and lower depression levels. The study suggests an optimistic approach to caring for seniors can help reduce ageism and improve outcomes.

Discovery of pathway leading to depression reveals new drug targets

Researchers at King's College London identified the 'Hedgehog pathway' regulating stress hormones and brain cell development. The study revealed that inhibiting this pathway can reverse damaging effects of stress hormones on brain cells, offering new potential mechanisms to target depression.

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.

Web-based project prevents epilepsy-related depression

A new study by Emory researchers has proven successful in preventing depression in people with epilepsy, reducing seizures and improving quality of life. The web-based method, called Project UPLIFT, provides patients with depression prevention and stress management skills, increasing knowledge and skills to replace negative feelings.

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.

Eating more fish could reduce postpartum depression

Low levels of omega-3 during pregnancy may trigger depressive episodes. Increasing fish consumption could help bring maternal omega-3 levels up to recommended levels, potentially reducing the risk of postpartum depression.

Exposure to light at night may cause depression, learning issues

A new study suggests that chronic exposure to bright light at night can lead to depression-like behaviors, including decreased interest in sugar and pleasure seeking, and impaired cognitive function. Treatment with Prozac restored the mice's healthy moods and learning abilities.

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.

People identify symptoms of depression more readily in women than men

Research published by Viren Swami from the University of Westminster found that men and women equally identified Kate's symptoms as indicative of a mental health disorder, but men were less likely to recognize Jack's symptoms. Men also rated Kate's case as more distressing and deserving of sympathy than Jack's.

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.

Genes, depression and life satisfaction

A twin study found that genes involved in satisfaction and positivity give protection against major depression, with a heritability of 34% for depression and 72% for overall life satisfaction. Environmental factors play a smaller role in protecting against depression than genetic factors.

Apple iPhone 17 Pro

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

Immune response may link social rejection to later health outcomes

A new study published in Clinical Psychological Science found that recent exposure to targeted rejection activates inflammatory signaling pathways and elevates pro-inflammatory signaling molecules. Participants with higher perceived social status showed a more pronounced effect, suggesting an adaptive response in top-tier individuals.

Fluke 87V Industrial Digital Multimeter

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

Maternal depression affects language development in babies

A new study found that maternal depression treatment with serotonin reuptake inhibitors accelerates babies' language development, while untreated depression prolongs this period. Researchers measured changes in heart rate and eye movement to sounds and video images of native and non-native languages.

How ketamine defeats chronic depression

Current evidence suggests ketamine regenerates damaged brain cells, providing immediate relief from symptoms in treatment-resistant patients. Understanding its mechanism could lead to the development of a new class of antidepressants.

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.

Discrimination from one's manager really bites

A study by University of Leicester researchers found that discrimination from managers has the largest impact on anxiety, depression, and emotional exhaustion among mental health workers. Meanwhile, discrimination from patients' visitors causes more distress than from patients themselves.

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.

Behavior issues are a bigger headache for children with migraines

A large-scale study found that children with migraine headaches are more likely to experience social and attention issues, as well as anxiety and depression. The study, published in the journal Cephalalgia, suggests that headache frequency is a key factor in these behavioral difficulties.

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.

Targeting inflammation to treat depression

Researchers found that a medication inhibiting inflammation showed promise in treating major depression, especially in individuals with high levels of inflammation. The study employed infliximab, an antibody blocking tumor necrosis factor, and demonstrated improved symptoms in subjects with elevated C-reactive protein levels.

Tripping the switches on brain growth to treat depression

Researchers discovered that fibroblast growth factor-2 (FGF2) can increase the number of glial cells, supporting neurons and promoting proper neuronal function. This study presents a fundamental new mechanism for treating depression by targeting glial cell growth.

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.

Yale team discovers how stress and depression can shrink the brain

A Yale research team has identified a single genetic switch that triggers loss of brain connections and contributes to depression. The study found that the transcription factor GATA1 represses genes necessary for synaptic connection formation, disrupting circuits involved in emotion and cognition.

Yoga proves to reduce depression in pregnant women, boost maternal bonding

Pregnant women experiencing depression may benefit from mindfulness yoga, which can significantly reduce depressive symptoms and improve attachment to their babies. This study provides promising evidence that yoga could be an effective alternative to pharmaceutical treatment for pregnant women showing signs of depression.

Creatine aids women in outmuscling major depression

A study found that adding creatine to antidepressant treatment significantly improved response rates, with twice as fast response times and higher remission rates compared to placebo. The supplement may provide a relatively inexpensive treatment option for women who haven't responded well to traditional antidepressants.

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.

Brain signal IDs responders to fast-acting antidepressant

Researchers identified a brain signal that can predict which depressed patients will respond to ketamine, a rapid-acting antidepressant. The signal also holds clues to the agent's mechanism of action, which may lead to more personalized treatment.

Exercise boosts mental and physical health of heart failure patients

A large international study found that moderate exercise helps ease depression in patients with chronic heart failure, while also reducing deaths and hospitalizations. The study, published in the Journal of the American Medical Association, suggests that exercise has a significant impact on both mental and physical health.

Emotion detectives uncover new ways to fight-off youth anxiety and depression

A novel intervention called Emotion Detectives Treatment Protocol (EDTP) has shown significant reductions in anxiety and depression severity after treatment. The program adapts age-appropriate techniques from adult and adolescent protocols to educate children about emotions, problem-solving skills, and behavior activation.

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.

Some harmful effects of light at night can be reversed

A new study suggests that chronic exposure to artificial light at night can lead to depressive symptoms in rodents, which can be reversed by returning to a standard light-dark cycle. The study found that blocking the effects of tumor necrosis factor, a protein involved in depression, prevented the development of depressive-like symptoms.

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.

Annals of Internal Medicine tip sheet for July 17, 2012 issue

The NYC trans fat ban resulted in a significant reduction of trans fat consumption among fast food patrons, with a notable decrease in saturated fat intake. Young women who have never been pregnant are also at risk for urinary incontinence, affecting up to 12.6% of those surveyed. Prophylactic antidepressant therapy may help prevent tr...