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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

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Depression linked with accumulation of visceral fat

Research at Rush University Medical Center found a strong correlation between depression and visceral fat, particularly among overweight and obese women. The study suggests that depression triggers the accumulation of visceral fat through chemical changes in the body.

Are we cherry picking participants for studies of antidepressants?

A recent study found that only a small percentage of patients with depression qualify for clinical studies, suggesting the results may not be generalizable to most patients. The study showed better outcomes for those who met inclusion criteria, highlighting the need for more inclusive trial designs.

Study suggests new target for treatment of depression

A study by researchers at the University of Iowa found that disrupting ASIC1a, a brain protein involved in fear behavior and anxiety, produces an antidepressant-like effect in mice. The results suggest that ASIC1a inhibition could represent a new approach to antidepressant therapy.

Suicide: The risk factors

The article discusses various risk factors that contribute to suicide, including male sex, psychiatric disorders, unemployment, and easy access to means. Mental health problems, such as depression and bipolar disorder, significantly increase the risk of suicide.

Apple iPhone 17 Pro

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

Where you live may affect your state of mind

A new study found that Frequent Mental Distress (FMD) prevalence varies significantly across the US, with high rates in Appalachian and Mississippi Valley regions and low rates in the upper Midwest. FMD prevalence increased by at least 1 percentage point in 27 states over two periods.

Depression after heart disease ups risk of heart failure

Patients with heart disease who develop depression are at a greater risk for heart failure, with a two-fold increased incidence. Antidepressant therapy did not appear to lower this risk, suggesting that depression may be an emerging risk factor for cardiovascular outcomes.

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.

2 nondrug treatments appear to reduce depression after heart surgery

Cognitive behavior therapy and supportive stress management show promise in treating depression after CABG surgery, with significant differences found between treatment groups and usual care. These non-pharmacological interventions are more effective than usual care for treating depression after coronary artery bypass graft surgery.

Team identifies a molecular switch linking infectious disease and depression

Researchers at the University of Illinois have identified IDO as a molecular switch that induces depressive symptoms in some cases of chronic inflammation. The study found that mice exposed to BCG, a vaccine used to prevent tuberculosis, exhibited depressive-like behaviors that could be reversed with antidepressants.

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.

Depressed people have trouble learning 'good things in life'

Researchers found depressed individuals correctly identified more negative beans than non-depressed peers, but struggled with positive beans. The study suggests depressed people may have a bias against learning good information, which could impact treatment.

Vitamin D may not be the answer to feeling SAD

A study published in the Journal of Affective Disorders found no clear association between depressive symptoms and vitamin D levels in blood. The researchers tested over 3,000 participants and recruited community residents aged 50-70 from China, discovering low levels of vitamin D may not be connected to depression.

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Depression twice as likely in seizure sufferers

A study published in Epilepsia finds that individuals with epilepsy are at a higher risk of depression, with racial minorities having seven times the odds of depression compared to Caucasians. The study suggests routine screening and targeted interventions for depression are needed to help serve those with epilepsy.

Feeling down and out could break your heart, literally

Research found that relatively healthy women with severe depression are at increased risk of cardiac events, including SCD and fatal CHD. Antidepressant use was strongly associated with this risk, particularly Sudden Cardiac Death.

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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Feeling down and out could break your heart, literally

Research suggests that depression can increase the risk of sudden cardiac death and fatal coronary heart disease in women. Women with more severe depressive symptoms or those who reported taking antidepressants were at higher risk for these events.

Coming undone: How stress unravels the brain's structure

Research at Yale University finds stress-related losses of synapses in the hippocampal region precede helpless behavior in depression and PTSD. Rapid-acting antidepressants may restore lost synapses for immediate relief from depressive symptoms.

His and hers: Study examines the role of gender in the stigma of mental illness

A national survey found that participants expressed more anger towards individuals with stereotypical mental health conditions, but showed more empathy when their symptoms deviated from expectations. This suggests that stigma-busting campaigns should consider the role of intersecting stereotypes in shaping mental illness stigma.

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DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Chantix side effects no worse with depression history

A study published in the Journal of General Internal Medicine found that varenicline (Chantix) did not worsen mood symptoms or side effects in smokers with a likely history of depression. The COMPASS trial tracked over 1,100 patients and detected only one serious psychiatric event involving suicidal thoughts.

Alcohol abuse may lead to depression risk, rather than vice versa

A statistical modeling study found that alcohol abuse may lead to an increased risk of depression, rather than the reverse. The study used data from a 25-year study of health and development in New Zealand, finding that individuals with alcohol problems were 1.9 times more likely to also have major depression.

Women with diabetes before or during pregnancy at higher risk of depression

Low-income pregnant women and new mothers with diabetes have nearly twice the risk of experiencing depression during and after pregnancy than women without diabetes. The study, published in JAMA, found that women with any form of diabetes were significantly more likely to experience some indication of depression during pregnancy or pos...

Diabetes a risk factor for postpartum depression

A new study published in JAMA found that low-income women with diabetes have a more than 50% increased risk of experiencing postpartum depression. The research suggests that healthcare facilities and clinicians should pay attention to managing mental health concerns in women with diabetes during pregnancy and the postpartum period.

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Inexpensive depression screening tool works in resource poor countries

A study found a 13% incidence of major depression disorder and a 21% incidence of other depressive disorders among HIV/AIDS patients in Kenya. The Patient Health Questionnaire-9 (PHQ-9) screening tool was shown to be reliable and valid for assessing severity and diagnosis in this population.

Anti-social behavior in girls predicts adolescent depression seven years later

Researchers tracked first- and second-graders for seven years and found that anti-social behavior among girls and anxiety among both sexes predicted depression in early adolescence. Early signs of depression were not predictive of adolescent depression, highlighting the need to recognize mental health issues in younger children.

Pregnancy hormone predicts postpartum depression

Researchers found that women with elevated levels of corticotrophin-releasing hormone in mid-pregnancy are at higher risk for postpartum depression. The study, conducted by UC Irvine researchers, suggests that identifying these women early could help prevent or treat the condition.

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GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Neurobiological mechanisms in major depressive disorder

Genes and psychological adversity in childhood contribute to major depression, with current treatments limited by delayed onset and adverse outcomes. Research is needed to explore how genes interact with environmental variables to influence major depressive disorder risk.

Teen media exposure associated with depression symptoms in young adulthood

A study found that teenage media exposure was associated with depression symptoms in young adulthood, particularly among men. The researchers used data from the National Longitudinal Survey of Adolescent Health and found that participants who watched more television had a higher risk of developing depression.

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Teen smoking could lead to adult depression, study says

A new Florida State University study found that nicotine exposure in adolescence can lead to depression-like symptoms in adulthood. The researchers injected adolescent rats with nicotine and found that even brief exposure could have long-lasting effects, causing behavioral changes symptomatic of depression.

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.

Physical activity, mood and serious mental illness

A new study from Indiana University suggests that meager levels of physical activity can significantly improve the mood of individuals with serious mental illnesses such as bipolar disorder, major depression, and schizophrenia. The study found a positive association between physical activity level and positive mood, particularly among ...

January/February 2009 Annals of Family Medicine tip sheet

Studies show that primary care physicians can safely and effectively perform colonoscopies, with quality and safety indicators comparable to those of gastroenterologist specialists. Having a personal health care provider is associated with a three times higher likelihood of colorectal cancer screening, highlighting the potential for po...

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.

Poor sleep quality linked to postpartum depression

A study published in the Journal of Obstetric, Gynecologic, & Neonatal Nursing reveals that poor sleep quality is closely linked to postpartum depression. Women with PPD experience worsened symptoms when their sleep quality declines.

Depression rife among medical students

Research published in BMC Medical Education reveals a high prevalence of depression among medical students, particularly females, with symptoms including somatic and affective clusters. The study suggests that this period is crucial for professors and educators to monitor suicidal thoughts and risk in their students.

New test for depression

Researchers at UCL developed a new universal test to predict the risk of major depression, which was tested in 6,000 people and found accurate in predicting future episodes. The tool, predictD, could be used by family doctors and local clinics to identify those at risk for whom prevention might be most useful.

Symptoms of depression associated with increase in abdominal fat

A five-year study found that older adults with symptoms of depression are more likely to gain abdominal fat, but not overall fat. Depression is associated with an increase in visceral fat, which may contribute to the development of diabetes and cardiovascular disease.

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.

New treatment hope for people with recurring depression

A study published in the Journal of Consulting and Clinical Psychology shows that Mindfulness Based Cognitive Therapy (MBCT) is as effective as anti-depressant medication in preventing relapse and enhancing quality of life for people with long-term depression. The study found that MBCT provides a cost-effective alternative to prescript...

Bittersweet milestones

A recent study found that nearly a quarter of centenarians (25%) exhibit clinically relevant levels of depressive symptoms, yet only 8% receive an official diagnosis. Poor nutritional status, urinary incontinence, and past history of anxiety are potential contributing factors.

Embargoed news from Annals of Internal Medicine

A new ACP clinical practice guideline states that second-generation antidepressants are equally effective in treating depression but have different adverse effects. The guideline recommends assessing patient status and modifying treatment if necessary, to maximize therapeutic response while minimizing side effects.

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.

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.

MRI reveals relationship between depression and pain

The study found that individuals with depression exhibit increased activation in the right amygdala during painful stimulation, while displaying decreased activation in areas responsible for pain modulation. This suggests a relationship between depression and pain perception, with potential implications for treatment outcomes.

Depression may increase exacerbations, hospitalizations in COPD

Research suggests depression and anxiety can cause increased hospitalizations and exacerbations in COPD patients, with depressed individuals experiencing more symptom- and event-based exacerbations and longer hospital stays. Anxiety is also linked to a greater risk of exacerbations and longer hospital stays.

Depression during pregnancy can double risk of preterm delivery

A new study published in Human Reproduction found that depressed pregnant women have twice the risk of preterm delivery as those with no symptoms of depression. The severity of depressive symptoms also increases the risk, with severe symptoms more than doubling it.

Spirituality protects against depression better than church attendance

Research at Temple University suggests that religiosity can offer insight into a person's risk for depression. Higher levels of existential well-being were found to be associated with a lower risk of depression. Involvement in religious services and community interaction may also play a role in preventing depression.

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