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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

Miscarriage and infertility treatment increase pre-eclampsia risk

A study of over 20,000 first-time mothers found that repeated miscarriages and hormone treatment for infertility increased the risk of pre-eclampsia. Women with one or two miscarriages were not at higher risk, but those who had three or more miscarriages saw a 50% increase in pre-eclampsia risk.

Autism and schizophrenia share common origin

Research suggests that autism and schizophrenia may stem from similar physical abnormalities caused by disruptions in early organogenesis, typically between 20-40 days after fertilization. This developmental stage is critical in shaping the body's development, and errors during this period can lead to various mental health disorders.

Abused women seek more infant health care, MU study finds

Women experiencing intimate partner violence are more likely to prioritize their infant's health, highlighting the need for healthcare providers to screen for IPV. The study found that 60% of abused women sought health consultations for their infants, compared to 54% of non-abused women.

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

Statin warning for pregnant women

New research from the University of Manchester has shown that even water-soluble statins can affect placental development, leading to worse pregnancy outcomes. Current guidelines recommend avoiding statins during pregnancy due to their potential risks, and this study supports these recommendations.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Biomarkers in blood could aid diagnosis of crippling, often fatal forms of malaria

Researchers have discovered biomarkers in blood that could aid diagnosis of severe and debilitating forms of malaria, including placental and cerebral malaria. Elevated levels of C5a and angiopoietin-2 were found to be associated with these forms of the disease, potentially allowing for earlier detection and targeted treatment strategies.

Secondhand smoke raises odds of fertility problems in women

Women exposed to secondhand smoke as adults or children are more likely to face fertility problems and suffer miscarriages, with a 68% increased chance of difficulty getting pregnant. The study analyzed data from over 4,800 non-smoking women and found that four out of five reported exposure to secondhand smoke during their lifetime.

Eating eggs when pregnant affects breast cancer in offspring

Researchers at Boston University have found that consuming choline from eggs during pregnancy may affect breast cancer outcomes for a mother's offspring. The study suggests that genetic changes caused by prenatal choline exposure can impact tumor growth rates and survival rates.

Vitamin D found to fight placental infection

Researchers at UCLA found that vitamin D stimulates cathelicidin production in placental tissues, enhancing antibacterial responses and protecting trophoblast cells from infection. The study suggests that pregnant women supplementing with vitamin D may enhance placental innate immunity.

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Maternal exposure to folic acid antagonists increases risks

A retrospective cohort study found maternal exposure to folic acid antagonists during pregnancy increases the risk of adverse outcomes such as preeclampsia and fetal growth restriction. The study recommends re-classifying some folic acid antagonists and increasing folic acid supplements for women taking these medications during pregnancy.

Peer-led sex education does not reduce abortions among teenagers

A study published in PLOS Medicine found that peer-led sex education in English schools did not reduce teenage abortions, but pupils preferred the approach. The trial involved 9,000 students and showed no significant difference in abortion rates between peer-led and teacher-led sessions at age 20.

Hairspray is linked to common genital birth defect, says study

Women exposed to hairspray at work during pregnancy have more than double the risk of having a son with hypospadias, according to a new Imperial College London study. Taking folic acid supplements in the first three months of pregnancy may reduce this risk by 36%.

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

JCI table of contents: Nov. 20, 2008

Researchers identified a potential new target for anticancer therapeutics by showing that well-oxygenated tumor cells use lactate as a fuel source, which is released by hypoxic tumor cells. Inhibiting this protein MCT1 disrupts the symbiotic relationship between tumor cell types and leads to decreased tumor growth in mice models.

Pregnant women who do aquarobics have easier deliveries

A recent study published in Reproductive Health found that pregnant women who attended water aerobics classes had shorter labor durations and lower rates of analgesia requests compared to those who did not participate. The research suggests that moderate water aerobics during pregnancy may improve maternal and fetal health outcomes.

Risk of maternal and newborn complications may be lower after bariatric surgery

A review of bariatric surgery among women of reproductive age suggests that rates of adverse outcomes for mothers and newborns are lower after the procedure. Lower maternal complication rates were found in women who underwent bariatric surgery compared to those who were obese, with reduced rates of gestational diabetes and preeclampsia.

Sony Alpha a7 IV (Body Only)

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Previous abortions and exercise: Do they affect pregnancy?

Women who have had two or more induced abortions have a 60% reduced risk of pre-eclampsia compared to those with no history. Physical activity during pregnancy shows some protection against pre-eclampsia, particularly among women under 25 BMI.

Rural women are at higher risk of blood pressure disorders during pregnancy

A recent study found that rural women are at increased risk of pre-eclampsia and pregnancy-induced hypertension, associated with maternal poverty and social deprivation. The researchers identified novel risk factors, including living in a rural area and having some college education, which were independent of other risk factors.

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.

Maternal and fetal outcomes in kidney donors are similar to non-donors

A study of 2025 women who donated kidneys found that female kidney donors do not face increased risks of miscarriage, premature birth or gestational diabetes. While post-donation pregnancies had higher rates of certain health conditions, these were comparable to those in the general population.

Moms' smoking linked to increased risk of birth defects

Research found that mothers who smoked during pregnancy were more than twice as likely to have a baby with a cleft palate or lip. Nearly 7,000 babies are born annually with oral-facial clefts in the US, which can lead to feeding difficulties and other health issues.

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Alcohol advice needs to play a greater role in sex education for teenagers

Researchers found that teenage girls are more aware of the complexities of relationships and see their partner's point of view, while boys often use aggressive language and pressure girls into sex. The study highlights the need for healthcare professionals to address alcohol use and promote healthy attitudes towards sex education.

Pregnancy disorder signals need to screen for heart disease

Researchers found that high blood pressure during pregnancy can be an early warning sign of future cardiovascular problems. A study followed 400 Ontario women with pre-eclampsia and found they had higher rates of elevated blood pressure and lipids, suggesting a link between the condition and increased cardiovascular risk.

Wrongful birth litigation and prenatal screening

New practice guidelines in Canada recommend prenatal screening for chromosomal abnormalities be offered to all pregnant women. The guidelines aim to balance reproductive autonomy with the potential legal liability of failing to screen, which could harm disabled children.

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.

Weight does not affect women's sexual behavior

A study published in Obstetrics & Gynecology found that overweight women are more likely to report having sex with men than their normal-weight counterparts. The research suggests that physicians should not make assumptions about a woman's sexual behavior based on her weight.

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.

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.

Overweight mums have chubby bubs

Research at University of New South Wales finds a link between maternal obesity and increased body fat in offspring. Pups from obese mother rats were nearly twice as heavy as those born to lean mothers with regular milk consumption.

Early exposure to drugs, alcohol creates lifetime of health risk

A study found that early exposure to drugs and alcohol increases the risk of early pregnancy, substance dependence, and criminal convictions. The research tracked nearly 1,000 New Zealand residents from birth to age 32 and showed that even 'good kids' who used substances before 15 faced poorer health outcomes.

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Why do women get more cavities than men?

A University of Oregon anthropologist found that women experience poorer dental health than men due to dramatic changes in female-specific hormones, reduced saliva production, and increased food cravings during pregnancy. The study suggests that these factors contribute to a higher risk of cavities in women as they age.

Statins may prevent miscarriages

Researchers at Hospital for Special Surgery found that statins can prevent white blood cell activation and protect pregnancies in women with APS. The study suggests that statins may be used as a treatment for women with APS-induced pregnancy complications.

Guidelines urge physical activity during pregnancy

The new guidelines recommend at least 150 minutes of moderate-intensity aerobic activity per week during pregnancy, with benefits including reduced risk of complications and improved long-term child health. Regular postpartum physical activity also supports a woman's overall health and weight management.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Asian-white couples face distinct pregnancy risks, Stanford/Packard

A new study from Stanford Medicine found that Asian-White couples face increased risks of gestational diabetes and caesarean delivery compared to same-race couples. The researchers also discovered that the average Asian woman's pelvis may be smaller than the average white woman's, contributing to these disparities.

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.

An ethical argument: Include pregnant women in research

Leading bioethicists argue that pregnant women should be included in research due to the potential risks and benefits. Studies have shown that excluding pregnant women from research can lead to a lack of effective treatment options for pregnant women with chronic diseases.

Exercise effective in helping pregnant women kick the habit

Research published in BMC Public Health found that supervised exercise helped pregnant women quit smoking, with a quarter of participants giving up before birth. Regular exercise was also linked to weight loss, improved self-image, and reduced cravings.

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.

Gap junction protein vital to successful pregnancy, researchers find

Researchers have identified a critical protein called connexin 43 that is essential for the growth of new blood vessels supporting the development of embryos. Without this protein, embryo implantation may fail, with important implications for early pregnancy loss and female infertility.

Calcium during pregnancy reduces harmful blood lead levels

A study at the University of Michigan found that high-dose calcium supplements can significantly lower lead levels in pregnant women. The researchers analyzed data from 557 women and discovered that those taking calcium supplements had an average reduction of 11% in blood lead levels, with some groups experiencing even greater reductions.

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.

Safety of anti-malarial drugs in pregnancy must be monitored

A new study highlights the need to develop systems to assess antimalarial drug safety in early pregnancy, as artemisinins have been shown to be toxic to embryos in animal models. An international antimalarial pregnancy exposure registry is proposed to enable targeted pharmacovigilance and timely assessment of risk-benefit profiles.

Newly-defined factors may prevent postpartum smoking relapse

A University of North Carolina study finds that strong social support, internal belief systems, and concrete strategies for dealing with temptations are crucial for women to remain smoke-free postpartum. In contrast, easy access to cigarettes, reliance on cigarettes to cope with stress, and low self-esteem can lead to relapse.

Ancient mother spawns new insight on reptile reproduction

Scientists discovered a 75-million-year-old pregnant turtle fossil with a nest of 26 eggs in the badlands of Alberta, Canada, shedding light on ancient reptile reproduction. The fossilized eggs are found to have extremely thick and hard shells that may have evolved to protect them from desiccation or predators.

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.

Severe, acute maternal stress linked to the development of schizophrenia

A study published in BMC Psychiatry found that pregnant women experiencing severe stress during the second month of pregnancy are more likely to have children who develop schizophrenia. Women born in Jerusalem during the Arab-Israeli war had a higher risk of schizophrenia, particularly females.