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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

Intrauterine devices reduce repeat abortions

A 25-year study found that intrauterine devices significantly reduced repeat abortions among young women. The researchers suggest that healthcare providers should increase the use of long-acting contraceptive methods like IUDs as an effective alternative to the pill.

Henry Gabelnick receives lifetime achievement award

Dr. Henry Gabelnick was awarded the lifetime achievement award at the 6th International Microbicides Conference for his dedication to developing microbicides. He has contributed significantly to the field through research on preclinical algorithms and primate models.

A profile of teenage pregnancy in Spain

A Spanish study finds that teenage mothers tend to emancipate earlier, enter romantic relationships, and experience career disruptions. The study also reveals a decline in age of onset for sexual activity and contraceptive use, leading to a significant increase in teen pregnancy.

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.

No more pills: Male contraceptive takes new approach

Researchers at the University of North Carolina have developed a male contraceptive method using therapeutic ultrasound, which has shown promising results in animal studies. The method involves 15 minutes of ultrasound treatment for six months of contraception, with permanent sterilization achieved with no vasectomy needed.

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.

Medicine residues may threaten fish reproduction

Researchers have discovered that traces of medicines can be found in fish swimming in treated wastewater. Elevated levels of the hormone levonorgestrel were found in fish blood, leading to infertility. The study highlights the impact of synthetic hormones on fish reproduction and calls for more environmentally friendly alternatives.

TV drama can be more persuasive than news program, study finds

A study by Ohio State University found that college-age women who watched a televised drama about teen pregnancy were more likely to use birth control, compared to those who watched a news program. The drama's narrative effect was linked to feelings of vulnerability and emotional connection with the characters.

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.

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.

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.

Study explains potential failure of oral contraceptives with obese women

Researchers identified a potential biological mechanism for reduced effectiveness of oral contraceptives in obese women, as it takes twice as long to reach the necessary blood concentration levels. The study's findings have important implications for approximately 30% of adult Americans who are obese and rely on birth control pills.

Apple iPhone 17 Pro

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

New contraceptive device is designed to prevent sexual transmission of HIV

A new vaginal ring has been designed to prevent both HIV transmission and unintended pregnancy, offering a non-hormonal alternative to existing methods. The device combines multiple antiviral drugs and compounds that arrest sperm motility, making it a promising solution for empowering women to protect themselves.

Injectable testosterone may provide effective male contraception

A new study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that injecting testosterone undecanoate monthly can effectively prevent pregnancy. After thirty months, the cumulative contraceptive failure rate was 1.1 per 100 men.

Oral contraceptives impair muscle gains in young women

A new study found that oral contraceptive use impairs muscle gains in young women, with lower hormone levels and elevated cortisol concentrations. The researchers also noted significant differences in lean mass gains between OC users and non-users.

Oral contraceptives associated with increased risk of lupus

A large observational study found that combined oral contraceptives are associated with an increased risk of systemic lupus erythematosus (SLE), particularly among women who started using them recently. The study suggests a possible dose-response effect of estrogen on SLE onset.

Meta Quest 3 512GB

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

Gene discovery could lead to male contraceptive

Researchers identified a genetic abnormality, CATSPER1, that may prevent men from conceiving. The gene's mutation affects sperm motility and hyperactivity, leading to potential targets for a pharmacological male contraceptive.

How a woman nearly lost her leg because of grapefruit

A woman developed a large blood clot in her left leg after eating grapefruit for breakfast every morning on an aggressive weight-loss diet. Treatment with clot-busting medication and a stent resolved the issue, but underlying factors included oral contraceptive use and an inherited mutation.

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.

Peru study shows restrictive law fails to limit number of abortions

A recent study published in the Canadian Medical Association Journal found that despite strict abortion laws in Peru, nearly 12% of women reported having induced abortions. The study, which surveyed over 8,000 women aged 18-29, highlights the need for improved access to contraception and education to reduce abortion rates.

Contraceptive use may be safe, but information gaps remain

Experts warn that while hormonal contraceptives may be safe for many women, gaps in knowledge remain. The article highlights the need for further research on low-dose oral contraceptives and alternative forms of contraception for high-risk individuals.

Contraceptive methods shape women's sexual pleasure and satisfaction

A new study from The Kinsey Institute reveals that many women associate condoms with decreased sexual pleasure, but those who use both hormonal contraception and condoms report higher overall satisfaction. Women using hormonal methods only reported the lowest levels of sexual enjoyment.

Birth control has long-term effect on hormone exposure

Researchers discovered that past oral contraceptive use can reduce estrogen levels for years after treatment is stopped, potentially leading to a reduced risk of ovarian and uterine cancers. The study used cynomolgus monkeys and found significant reductions in estrogen metabolites three years after surgical menopause.

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.

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.

Continuous oral contraceptives better at easing pain, bleeding

Researchers found that continuous oral contraceptives significantly improved pain and behavioral changes in women compared to standard 28-day birth control pills. The study also showed a significant decrease in moderate to heavy bleeding days among women who received the continuous birth control regimen.

New choices bring wider range of women to family planning

A study published in Contraception reports that the Standard Days Method brings new women to family planning, with over half having never used a method before. The method's effectiveness and ease of use led to increased contraceptive use among participants.

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.

Transient increase in cervical cancer risk in oral contraceptive users

Current oral contraceptive users have a higher risk of developing cervical cancer, but this risk returns to normal after 10 years of not using the contraceptives. The study also found that women who test positive for high-risk human papillomavirus are more likely to develop in-situ or invasive cervical cancer.

Fluke 87V Industrial Digital Multimeter

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

Of mice and men: new male contraceptives successful in rodents and humans

Researchers have made significant breakthroughs in developing new male contraceptives, including a hormone-based regimen that worked in 90% of men, a vasectomy alternative with high success rates, and a vitamin A-blocking drug that showed no health effects. These advancements offer hope for men seeking reliable birth control options.

Contraception: progress brings hope for new methods for men

Researchers at the NIH conference present advances in male contraception, including a non-hormonal pill and a testosterone-like treatment. These developments aim to provide men with more control over their fertility, offering an alternative to existing methods like condoms and vasectomy.

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.

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.

IUDs safe and effective in high-risk patients

Researchers at Virginia Commonwealth University discovered that intrauterine devices (IUDs) are acceptable for women at high risk of sexually transmitted infections and pregnancy. The study, published in the American Journal of Obstetrics and Gynecology, found lower rates of complications and greater acceptability with the Mirena IUS.

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.

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.

Contraceptives and the poor; plus new findings on cryptococcosis

Researchers found that the poorest people in developing countries are least likely to use contraception, with significant regional variations. The authors emphasize the need for governments and international health organizations to focus on providing contraceptive services to those with very low incomes.

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.

Young women unfamiliar with safety, effectiveness of IUD

A recent study published in Obstetrics & Gynecology reveals that nearly half of young pregnant women are unaware of the safety and effectiveness of modern intrauterine devices (IUD). The study suggests that counseling about IUDs could help these women make informed decisions about contraception.