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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

JCI table of contents: Sept. 20, 2007

Researchers have developed a new non-invasive prenatal testing method that analyzes mother's blood to detect fetal mRNAs, which could be used for prenatal diagnosis of genetic diseases. In another study, mice exposed to particulate matter were found to have accelerated blood clotting and thrombosis, highlighting the need to target IL-6...

Noninvasive prenatal testing by analyzing mother's blood

Researchers have identified a pattern of fetal mRNAs detectable in pregnant women's blood, which could serve as a baseline for diagnosing genetic diseases. This detection method has the potential to replace invasive prenatal procedures, offering a new approach to monitoring fetal health.

Teen girls report abusive boyfriends try to get them pregnant

A new study finds that a quarter of teenage girls in abusive relationships say their partners are actively trying to get them pregnant. Healthcare providers should ask about the possibility of abuse and reproductive control in relationships, according to researchers.

Modulating fat levels essential for successful pregnancy

A study published in JCI Journals reveals that disturbances in sphingolipid metabolism may be a key factor in early pregnancy loss. Sphingosine kinase 1 (Sphk1) and Sphk2 proteins play a crucial role in metabolizing these fats, which are essential for placental development.

Meta Quest 3 512GB

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

Pregnancy may slow -- not accelerate -- progression to AIDS

A study of HIV-infected women found that pregnancy can actually slow disease progression, not accelerate it. The use of HAART during pregnancy significantly reduces the risk of transmitting the virus to the child, and pregnant women tend to have lower risks of disease progression before and after pregnancy.

Annals of Internal Medicine tip sheet for Sept. 18, 2007

The American College of Physicians recommends setting blood sugar targets for patients with type 2 diabetes, aiming to prevent microvascular complications. Additionally, a study reveals that many women of childbearing age are prescribed dangerous drugs without proper birth control monitoring.

Apple iPhone 17 Pro

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

'Fruity vegetables' and fish reduce asthma and allergies

A seven-year study of 460 Spanish children found that a diet rich in fish and fruity vegetables can significantly reduce the risk of childhood asthma and allergies. The study also reinforced earlier findings that a fish-rich diet during pregnancy can help protect children from asthma and allergies.

Low vitamin D during pregnancy linked to pre-eclampsia

A study from the University of Pittsburgh Schools of the Health Sciences found that maternal vitamin D deficiency early in pregnancy is associated with a five-fold increased risk of preeclampsia. Low vitamin D levels also affect newborns, increasing their risk of mortality.

Ethnic minorities do stick with clinical research

A recent study found that ethnic minority women can be persuaded to take part in research studies. The factors leading to high retention rates included financial compensation and close communication with researchers. Researchers should tailor their strategies to fit different target groups.

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.

Study identifies warning signs of pregnancy danger

A study by Temple University researcher Kathleen Black identifies warning signs of pregnancy-induced hypertension, including increased stress levels, which can indicate worsening conditions. Women experiencing headaches, dizziness, frequent vomiting and malaise should call their physician immediately.

Passive smoking increases sleep disturbance among pregnant women

Pregnant women exposed to passive smoking experience sleep disturbances, including subjective insufficient sleep, difficulty initiating sleep, short sleep duration, and snoring. The study also found that pregnant women who smoke experienced similar sleep issues, as well as excessive daytime sleepiness and early morning awakening.

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.

Treating diabetes during pregnancy can break link to childhood obesity

A Kaiser Permanente study shows that treating gestational diabetes during pregnancy lowers a child's risk of becoming obese, with children whose moms were treated having the same risk as those with normal blood sugar levels. High maternal sugar levels increase childhood obesity risk, but treatment reduces it.

Maternal obesity prior to pregnancy associated with birth defects

A study of over 10,000 women found that those who were obese prior to pregnancy had a higher risk of giving birth to babies with structural birth defects. The findings suggest a possible mechanism involving alterations in glycemic control, similar to those seen in women with diabetes.

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.

Progesterone treatment does not prevent preterm birth in twin pregnancy

Researchers found that progesterone treatment did not decrease the risk of premature birth in women carrying twins compared to placebo injections. In contrast, earlier studies showed a significant reduction in preterm birth among pregnant women with a history of preterm delivery and single-baby pregnancies.

Progesterone injections do not prevent preterm birth in twin pregnancies

A recent study published in The New England Journal of Medicine found that weekly progesterone injections did not reduce the rate of preterm birth in women pregnant with twins. In contrast, previous research showed that these injections reduced additional preterm births by one-third in women whose previous babies were born prematurely.

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.

Negative effects of plastic's additive blocked by nutrient supplements

A new study found that pregnant mothers taking folic acid or genistein supplements can protect their offspring from the negative effects of BPA, a common chemical used in plastics. The study showed that even low levels of BPA exposure can cause epigenetic changes in offspring, leading to increased disease susceptibility.

Prenatal stress keeps infants, toddlers up at night, study says

Anxious or depressed mothers-to-be are at increased risk of having children who experience sleep problems in infancy and toddlerhood. Babies born to mothers classified as anxious or depressed during pregnancy exhibit more sleep problems, even after controlling for other factors.

Unintended pregnancy predicts feelings that parenting is a burden

Research at the University of Missouri-Columbia found that pregnant women's feelings about pregnancy are crucial in shaping their toddlers' attachment security. Mothers who struggled with pregnancy acceptance were more likely to feel overwhelmed by parenthood, highlighting the need for supportive policies and social services.

Fluke 87V Industrial Digital Multimeter

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

1 in 4 NYC adults has elevated blood mercury levels

A quarter of NYC adult New Yorkers have elevated blood mercury levels, with higher rates among Asian women and those consuming more fish. Pregnant and breastfeeding women, as well as young children, are advised to limit or avoid high-mercury fish to minimize health risks.

Threats to hope -- Desperation affects reasoning about product information

A new study by USC researchers found that when hopes are threatened, consumers turn to the marketplace for help, relying on favorable sources of information. This leads to 'motivated reasoning,' where consumers believe what they want to believe about products promising to help, even if the arguments aren't credible.

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.

Complementary therapy for infertile women may reduce chances of pregnancy

A study by Dr. Jacky Boivin found that women using complementary therapies had a lower pregnancy success rate and were more negatively affected by their fertility problems than non-users. The researchers suggest that women may use complementary therapies for stress reduction, but further research is needed to determine its effectiveness.

Studies show antidepressants not linked to birth defects

Two studies published in The New England Journal of Medicine found taking SSRIs during pregnancy increases the risk of rare birth defects, including withdrawal symptoms and pulmonary hypertension. However, most birth defects were not associated with antidepressant use.

Risk-taking in infertility treatment correlates with women's negative moods

A study of women's moods during IVF found a strong relationship between negative mood and multiple embryo transfer. Women with more negative moods perceived lower chances of multiple pregnancies and rated their choices as riskier. This research aims to improve understanding of emotional health during IVF treatment.

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.

Periodontal bacteria found in amniotic fluid

Researchers discovered periodontal bacteria, including P. Gingivalis, in the amniotic fluid of 30% of pregnant women with threatened premature labor. The presence of these bacteria may pose a risk to both mothers and babies.

First baby is born after oocytes were matured in the lab and frozen

A new study has achieved four successful pregnancies using immature oocytes collected from unstimulated ovaries, matured in vitro, and then vitrified, marking a significant breakthrough in fertility preservation. The research has the potential to become an important option for patients with PCOS or those who cannot undergo ovarian stim...

Bed nets for tackling malaria

Wide-scale communal use of insecticide-treated bed nets would provide considerable benefit to vulnerable groups, particularly adults and older children. This approach is supported by malaria transmission models suggesting a significant reduction in mosquito-borne disease transmission.

Mothers' second-hand smoke exposure linked to psychological problems for kids

A new study finds that children whose mothers were exposed to second-hand smoke during pregnancy exhibit more symptoms of ADHD and conduct disorder compared to those with no prenatal exposure. The research suggests that nicotine affects brain development during pregnancy, leading to behavioral problems in children.

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.

Pregnancy nausea/vomiting may indicate lower risk of breast cancer

A new study suggests that women who suffer from morning sickness during pregnancy may be less likely to develop breast cancer later in life. The study found a 30% lower risk of breast cancer among women with nausea and vomiting compared to those without, suggesting potential protective effects against cancer cells.

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.

Research with a twist -- When to turn breech babies

Researchers are examining whether attempting to turn breech babies earlier in pregnancy increases success rate and reduces C-sections. A manual procedure called external cephalic version (ECV) is being tested on approximately 1,000 women from around the world.

JCI table of contents: June 14, 2007

Researchers found that TRAIL limits inflammation and brain cell death in bacterial meningitis by regulating the host immune response. In contrast, mice lacking TRAIL exhibited increased inflammation and brain cell death, which was reversed by administering recombinant TRAIL.

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.

Talking sex on the factory floor in China

Young women in urban China want more information on contraception but need private and anonymous access due to judgmental attitudes. A pilot workplace intervention showed promising results with popular information leaflets, but low uptake of free family planning services.

Celestron NexStar 8SE Computerized Telescope

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

Sheep offer model for undernourishment in pregnant teen girls

A team of scientists found that limiting food intake during pregnancy impairs nutrient supply to fetuses and slows soft tissue growth. Adequate weight gain by pregnant teen girls is crucial to reduce low-birth-weight infant risk, suggesting a need for personalized dietary advice.

Sleep apnea increases risk of diabetes and hypertension in pregnant women

A recent study has linked sleep apnea to a higher incidence of gestational diabetes and pregnancy-induced high blood pressure. The researchers analyzed data from over 4 million deliveries and found that women with sleep apnea were more likely to develop these conditions, particularly when their weight was taken into account.

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.

'Healthy' children with smoking parents aren't really so healthy

A study found that children of smokers have impaired lung function, regardless of whether they exhibit respiratory symptoms, and that smoking after birth may be more harmful than during pregnancy. Researchers speculate that growing smoking bans could lead to increased home smoke exposure and further lung damage.

'Bigger the baby, the better' axiom is incorrect

A recent study published in American Journal of Clinical Nutrition found that the relationship between birth weight and future heart disease risk is not as strong as previously thought. The research suggests that other risk factors, such as smoking and obesity, have a greater impact on heart health.

Commonly used drug offers promise for premature babies

A study found that celecoxib can reduce the production of cells and molecules involved in building new blood vessels in premature infants, which may help prevent germinal matrix hemorrhages. Researchers believe this could lead to improved outcomes for babies born prematurely, reducing the risk of brain damage and related complications.

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.

Exposure to mercury preservatives before birth is no higher in children with autism

A recent study published in American Journal of Medical Genetics Part A found no causal link between Rh immune globulin (preserved with thimerosal) exposure before birth and the development of autism. The study included over 200 mothers of children diagnosed with autism, revealing that Rh negative status and pregnancies with thimerosal...

Smoking, growing private hospital care for poor and US flu vaccine policies

Research highlights the influence of private hospital care on Medicaid patients, flu vaccine shortages, and smoking bans on health outcomes. Smoking bans at home and work significantly improve health status among nonsmokers, while racial diversity in neighborhoods affects pregnant women's decision to smoke.