Bluesky Facebook Reddit Email

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

A birth control pill for men? When?

Despite the need for a male version of the oral contraceptive pill, pharmaceutical companies have discontinued research due to significant challenges. New research on non-hormonal male contraceptives offers hope for the development of a male birth control pill within a decade.

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.

Finally, the promise of male birth control in a pill

Researchers have discovered a compound that reversibly infertile men without affecting their sex drive, using the small molecule to target fertility proteins. The new form of birth control works by reducing sperm count and motility, making it an effective and novel strategy for male contraception.

Small molecule may provide direction to quest for male contraceptive

A new direction in research for male contraceptives has been identified using the small molecule JQ1, which blocks chromatin remodeling necessary for sperm production. Studies show that mice treated with JQ1 have lower sperm counts and reduced sperm motility, paving the way for potential development of a male contraceptive pill.

Apple iPhone 17 Pro

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

Continuous oral contraceptive pills offer women earlier pain relief

Researchers found that continuous oral contraceptive pills provide earlier relief for moderate to severe menstrual cramps, reducing symptoms by up to six months. Women taking the continuous treatment reported significant pain relief due to uninterrupted treatment, outperforming cyclic treatment in terms of pain relief timing.

Contraceptive use averts 272,000 maternal deaths worldwide

A new study estimates that contraceptive use prevents more than 272,000 maternal deaths from childbirth each year. The researchers found that satisfying the global unmet need for contraception could reduce maternal deaths by an additional 30%. Effective contraception also averts nearly 230 million unintended births annually.

Befuddled by emergency birth control

A Northwestern University study found that many college students cannot track down reliable information on emergency contraception pills (ECPs) online. Only two-thirds of the participants were able to conclude that their friend should seek ECPs, with fewer than half providing the ideal response.

70 percent of women use contraceptives during their first sexual encounter

The study reveals a prevalence of 70.4% for contraceptive use during the first sexual encounter among Spanish women, with notable differences observed between regions and socio-economic groups. Factors such as education level and geographical location significantly impact contraceptive use in this context.

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.

IUDs, implants most effective birth control

A study of over 7,500 women found that IUDs and implants were significantly more effective than birth control pills, patches, or rings in preventing unintended pregnancies. The study also showed that educating women about the effectiveness of these methods and providing them for free could reduce unintended pregnancy rates.

Intrauterine devices provide the most effective emergency contraception

A systematic review of data from 35 years found that intrauterine devices (IUDs) have a failure rate of less than one per thousand and are more effective than the morning after pill. IUDs also provide long-term protection against unwanted pregnancy, making them a recommended option for emergency contraception.

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.

Combined oral contraceptive pill helps painful periods

A large Scandinavian study has found that combined oral contraceptive pills reduce painful menstrual periods by 0.3 units on the VMS scale, with a reduction of nine millimeters on the VAS scale. Increasing age also alleviated symptoms, but not as much as COC use, which had a greater effect.

Ultrasound male contraceptive, overlooked for decades, confirmed to work

Researchers have confirmed that therapeutic ultrasound can be used as a male contraceptive, providing up to 2.5 months of protection in rats with two 15-minute sessions. The method was initially overlooked for decades due to concerns over its effectiveness, but new evidence suggests it may offer an alternative to existing options.

Sonicating sperm -- the future of male contraception

New research uses commercially available therapeutic ultrasound equipment to reduce sperm counts in male rats, resulting in infertility. The non-invasive treatment reduced sperm reserves far below levels seen in fertile men.

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.

Young women often fail to spot their weight gain

A study published in the Journal of Women's Health found that young women are more likely to recognize weight gain if they are black or using DMPA. The researchers surveyed 466 women with an average age of 25, finding nearly one-third and one-quarter did not recognize gains of 4.5 and 8.8 pounds during a six-month interval.

Should nuns be given the pill for health reasons?

Experts Roger Short and Kara Britt argue that nuns should be given the contraceptive pill due to its link to reduced ovarian and uterine cancer risk. The pill's overall mortality benefits, particularly in nulliparous women, make it a viable health option for nuns.

Should nuns be given the pill for health reasons?

A recent Lancet comment proposes that Catholic nuns consider taking the contraceptive pill for health reasons, citing reduced mortality and cancer risks. Studies have shown a significant decrease in ovarian and endometrial cancer rates among pill users, with long-term benefits persisting for up to 20 years.

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.

Drospirenone-containing contraceptives linked to higher risk of blood clots

A study found that drospirenone-containing oral birth control pills are associated with a significantly increased risk of venous thrombotic events, including deep vein thrombosis and pulmonary embolism. Risk was highest in the early months of use and was also influenced by factors such as age, high blood pressure, and obesity.

Hormone in birth control shot linked to memory loss

A study from Arizona State University found that the hormone medroxyprogesterone acetate (MPA) in Depo Provera shots impairs memory in rodents. The researchers also measured GABA's impact on brain function, which may contribute to memory loss.

Not your mother's birth control, same troubles

A new Indiana University study found that hormonal birth control can still hamper women's sexual satisfaction, including arousal, lubrication, and orgasm. The research involved over 1,100 women using different forms of contraception and suggests that non-hormonal options like lubricants may help alleviate negative effects.

Fluke 87V Industrial Digital Multimeter

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

Meta Quest 3 512GB

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

Birth control pills affect memory, UCI researchers find

UCI researchers found that hormonal contraceptives improve women's ability to remember the gist of an emotional event, but not the details. This discovery may help explain why women experience post-traumatic stress syndrome more frequently than men.

OHSU researchers eye newer, safer birth control method

Researchers at OHSU's ONPRC have developed a new contraceptive that directly targets the key enzymes responsible for releasing an egg from the ovary. This approach aims to prevent pregnancy while minimizing systemic effects and improving effectiveness compared to existing hormonal birth control methods.

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.

Gradual bone reduction seen in some pill users

A study by Group Health Research Institute found that oral contraceptives can slow down bone gain in young women, especially those taking higher hormone doses. The study measured bone densities in 301 teen and 305 young adult women who used oral contraceptives, compared to similar women who did not use this method.

The pill does not lead to weight gain

A long-term study of 1,749 women found no link between taking the combined contraceptive pill and weight gain. Women who took the pill did not put on more weight than their peers who never took it, with ageing and smoking being the only factors affecting weight.

Could a birth control pill for men be on the horizon?

Researchers at Columbia University Medical Center have developed a potential non-steroidal birth control pill for men that prevents conception with reversible male sterility. The compound, which interferes with retinoic acid receptors, showed no apparent side effects and restored fertility soon after drug administration was terminated.

The contraceptive pill and HRT may protect against cerebral aneurysm

Research published in the Journal of NeuroInterventional Surgery suggests that taking oral contraceptives or hormone replacement therapy may reduce the risk of developing cerebral aneurysms. The study found that women with cerebral aneurysms were less likely to have taken these medications and had an earlier average age of menopause.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

US family physicians miss opportunities to discuss IUDs with patients

A national survey of US family physicians found that many have gaps in knowledge about IUDs, are uncomfortable discussing them with patients, and believe their patients would not be receptive. In contrast, those who insert IUDs in their practice tend to be more knowledgeable and confident in discussing the devices with their patients.

New report: Don't blame the pill for estrogen in drinking water

Scientists analyzed studies on estrogen in drinking water and found most estrogens come from natural sources such as soy, dairy, and animal waste, not birth control pills. Researchers concluded that the pill accounts for less than 1% of estrogens in drinking water supplies.

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.

First outstanding article award presented by Contraception

Three papers were selected for the inaugural Contraception Article Award for their exceptional quality and impact on the field of family planning. The awarded articles cover topics such as bone mineral density recovery after contraceptive use, medical abortion follow-up, and postpartum intrauterine contraception cost-effectiveness.

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.

Oral contraceptive use associated with increased risk of breast cancer

Researchers found that African American women who use oral contraceptives are more likely to develop estrogen receptor negative breast cancer. The study, based on data from the Black Women's Health Study, also revealed a significant increase in risk for women who have used oral contraceptives for 10 or more years.

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.

Hormonal birth control alters scent communication in primates

A Duke University study found that hormonal contraceptives alter the chemical cues used by ring-tailed lemurs to determine genetic fitness and relatedness. The study also showed that males are less interested in females treated with contraceptives, suggesting potential effects on human mate choice.