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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

New eyeless, pale catfish from middle of Amazon named

A new species of eyeless catfish has been discovered in the Amazon River, with a unique adaptation to dark environments. The Xyliphius sofiae specimen is relatively small and pale, but well-adapted to its murky habitat, where it likely feeds on micro-invertebrates.

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.

China's 'missing girls' theory likely far overblown, study shows

A University of Kansas study suggests that China's one-child policy led to an underreported number of births, rather than a large-scale sex-selective abortion. The researchers found that local government officials made agreements with farmers to allow extra children in exchange for social stability, resulting in a significant number of...

Changing attitudes on genital cutting through entertainment

Researchers created movies addressing personal values and future marriage prospects to challenge negative attitudes, with a persistent effect lasting at least a week. The approach shows promise in increasing discussion and sustainable change through entertainment-embedded public information.

X-ray optics on a chip

Researchers have successfully fabricated a millimeter-sized chip capable of splitting a beam of X-rays. The chip features fork-shaped channels that efficiently transport and split the beam, producing interference patterns similar to those in classical Young's double-slit experiments.

How can a family function better? Get outside together

Researchers at the University of Illinois have found that spending time in nature together as a family can restore attention, reduce irritation, and promote self-control, leading to better family relationships. Regular family-based nature activities can also foster a sense of identity and belonging within the family.

Apple iPhone 17 Pro

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

Disney princesses: Not brave enough

A recent study from Brigham Young University reveals that preschoolers exposed to Disney Princess culture are more susceptible to limiting female gender-stereotypical behavior, which can be detrimental in the long term. However, the study also suggests that princesses can provide a counterbalance to hyper-masculine media for boys.

The Witch Report 1600 -- Yorkshire headed the list

Attitudes towards witchcraft varied by social class in 17th-century England, with the educated elite playing a significant role in shaping legal systems. In Yorkshire, there was a greater propensity to believe in covens of witches, as evidenced by a 1621 book titled Deamonologia. The common people, however, focused on practical deeds l...

More males born to Indian-born women in Canada who already have daughters

A large study in CMAJ found that Indian-born women living in Ontario, Canada, who already have two daughters are more likely to have a boy. The likelihood of male births increases if women had an induced abortion before the birth. Birth ratios fell within natural ranges for Canadian-born and immigrant women from most other countries.

Grandmas make a huge difference to a baby elephants' survival

A study by University of Stirling researchers found that older, experienced mothers have a strong effect on their daughters' reproduction and the survival of their grandchildren. The research revealed that having a grandma can provide essential care, leading to higher reproductive rates and longer lifespans among females.

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.

Mothers should be cautious when discussing weight with daughters

A recent study published in Body Image found that mothers who discussed their own weight concerns with their daughters were more likely to encourage healthy habits. The study suggests that avoiding conversations about weight altogether may be the best approach for promoting long-term well-being.

Despite poaching, elephants' social networks hold steady

Researchers found that elephants' social networks remained resilient due to the ability of daughters to fill their mothers' roles, driven by vertical transmission of social roles. This adaptability provides optimism for elephant recovery from human disturbance once pressure is alleviated.

Interpersonal communication key to daughters' well-being

A recent study by University of Missouri professor Haley Horstman found that daughters 're-author' stories about adversity over time, increasing their positivity through narrative. This change in storytelling can lead to improved mother-daughter interpersonal relationships and well-being.

Female genital cutting is based on private values rather than social norms

A study of female genital cutting practices in Sudan found tremendous heterogeneity between and within communities, with attitudes and cutting habits varying widely. The research challenges the assumption that cutting is a social norm-based decision, instead suggesting that private values play a significant role.

Fluke 87V Industrial Digital Multimeter

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

When times are tough, parents favor daughters over sons

In tough economic times, parents tend to allocate more resources to their female offspring, according to a study published in the Journal of Consumer Research. The researchers found that when parents perceive economic conditions as poor, they are more likely to prioritize their daughters over sons.

Daughter sees Taylor Swift poster, begs mom to buy her a nearby pencil box

A recent study published in the Journal of Marketing Research found that marketing emotions can significantly impact consumer spending on school supplies and shoe brands. The research revealed that exposure to positive or negative celebrity posters led to increased or decreased spending, respectively, on unrelated products.

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.

Mountain gorilla mamas sidestep having inbred offspring

In a study of mountain gorillas, researchers found that females avoid mating with their fathers to curb inbreeding. On average, seven out of ten offspring in groups with multiple males are sired by the dominant male, but none of his daughters' offspring

Stem cells make similar decisions to humans

Researchers at the University of Copenhagen have created a video of thousands of progenitor cells in the pancreas making decisions, revealing that stem cells behave like individuals with social interactions influencing their choices. This study could lead to improved control over insulin-producing endocrine cells for diabetes treatment.

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.

Mothers nurture emotions in girls over boys, new study finds

A new study found that mothers tend to use more emotional words and content when conversing with their daughters than sons. This may lead to girls growing up more attuned to their emotions, having an edge in expressing themselves and coping with emotions.

Penn research helps uncover mechanism behind solid-solid phase transitions

Researchers from Penn and HKUST discovered a surprising mechanism facilitating one of the two main routes for solid-solid transitions. The process involves the parent phase producing liquid droplets, which then evolve into the daughter phase, revealing new insight into material development and natural processes.

Does having daughters cause judges to rule for women's issues?

A recent study of 224 judges found that those with daughters vote more in favor of women's issues than their counterparts without daughters. The effect is most pronounced among Republican judges, suggesting personal experiences play a role in judicial decision-making.

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.

Supportive moms and sisters boost female baboon's rank

A study of dominance in female baboons found that close ties with mom and supportive sisters play a crucial role in determining social status. Females born to high-ranking mothers tend to reach higher ranks, while those with more sisters are more likely to rise within their family group.

Meerkats' sinister side is secret to their success, study shows

A study reveals that dominant meerkat alpha females thrive when they maintain sole breeding rights, while subordinates are suppressed through violence and infanticide. This effective but sinister strategy allows the group to survive and flourish in the harsh desert environment.

Do daughters really cause divorce? Maybe not

A study from Duke University found that the sex of children born to couples is linked to relationship conflict and pregnancy stress. Girls are more likely to be born into strained marriages, while boys may not survive such pregnancies as easily as girls do.

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.

Mothers of women with PCOS have increased risk of early death

A study published in Human Reproduction found that mothers of daughters with polycystic ovary syndrome (PCOS) have a significantly increased risk of death, especially when combined with type 2 diabetes. The research compared mortality rates between mothers and fathers of PCOS daughters with the general Dutch population.

Dads who do chores bolster daughters' aspirations

A new study suggests that fathers' involvement in household chores plays a significant role in shaping their daughters' career goals. Girls growing up in households where domestic duties are shared more equitably are more likely to have broader career ambitions.

What matters for making milk

A Harvard University study found that cows which gestated back-to-back daughters produce as much as 1,000 pounds more milk than those that give birth to sons over the first two lactations. This could lead to significant economic benefits for U.S. dairy farmers if artificial insemination techniques are used to increase female calves.

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.

Focus on STD, not cancer prevention, to promote HPV vaccine use

A new study suggests that young women are more likely to get vaccinated against HPV if the emphasis is on preventing sexually transmitted diseases rather than cancer. The study found that messages focusing on genital warts were more effective in encouraging college-aged women to discuss vaccination with their doctors.

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.

No sons linked to lower contraception use in Nepal

A study from the University of California, San Diego found that Nepalese women who do not have sons are less likely to use birth control, with young wives being among those least likely to use contraceptives. The preference for sons over daughters is rooted in cultural bias and historical practices, affecting reproductive decision-making.

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.

Study finds epigenetics, not genetics, underlies homosexuality

Researchers found that sex-specific epi-marks can lead to homosexuality when they escape erasure and are transmitted from father to daughter or mother to son. This study solves the evolutionary riddle of homosexuality, suggesting that epigenetics is a critical factor contributing to the phenomenon.

What it is to be a queen bee?

A new study by Nayuta Brand and Michel Chapuisat found that queen sweat bees restrict the amount of food provided to their first brood, resulting in smaller female workers. This 'choosing' behavior ensures that daughters become workers rather than queens.

How JFK helped Barack Obama on his way to the White House

New research suggests that Barack Obama's image is shaped by the ideals of John F. Kennedy, reflecting a presidential legacy of elegance, sophistication, and success. The study explores how Obama's self-presentation is influenced by Kennedy's iconic imagery, including the cover of Rolling Stone magazine.

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.

Study suggests poor mothers favor daughters

A Michigan State University study found that poor mothers produce fattier milk for their daughters than sons, supporting a 1973 hypothesis. In contrast, wealthy mothers prefer to invest resources in sons who are more likely to increase their status through marriage.

Early spring means more bat girls

A University of Calgary study found that earlier spring births result in a higher female-to-male sex ratio among big brown bats. This skewed sex ratio may be due to natural selection favoring females' reproductive success.

Fit females make more daughters, mighty males get grandsons

Research shows that high-quality females, which produce more offspring, are more likely to have daughters. Conversely, weaker females, with their grandfather's qualities, produce more sons. This study found that females can manipulate the sex of their offspring to compensate for genetic limitations.

Elizabeth Barrett Browning's illness deciphered after 150 years

Researchers may have unraveled the mystery of Elizabeth Barrett Browning's lifelong chronic illness, which shares symptoms with hypokalemic periodic paralysis. Her daughter's experience with the muscle disorder has provided a unique lens to view her letters and diary entries.

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.

Do bacteria age? Biologists discover the answer follows simple economics

A study by University of California, San Diego biologists reveals that bacteria age and use asymmetric division to improve population fitness. By giving more cellular damage to one daughter cell and less to the other, bacteria allow for rejuvenation and diversity in their reproductive investment.

Study: Some moms 'doppelgang' their daughters' style

A Temple University study found that teenage girls significantly influence their mothers' purchasing decisions, particularly for personal items like makeup and clothing. The 'doppelganger effect' suggests mothers tend to mimic their daughters' consumption behavior rather than vice versa.

Note to dads: Good parenting makes a difference

A new study published in Development and Psychopathology found that quality parenting skills by dads significantly reduces the incidence of risky sexual behavior in their daughters. The study, led by Bruce J. Ellis, showed that girls who receive lower quality fathering tend to engage in more risky sexual behavior in adolescence.

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.

Mothers key to college-age women receiving HPV vaccine

A study found that mothers who discussed the HPV vaccine with their daughters were more likely to be vaccinated themselves. The key factor was mothers believing the vaccine was safe and effective, not fear or cost concerns.