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

Bronze Age women changed genetic landscape of Orkney, study finds

Bronze Age women led a massive wave of immigration in Orkney, replacing most of the local population and leaving behind their male lineages for over a thousand years. The study's findings suggest that Orkney was more integrated with the outside world than previously thought.

Gene mutation that makes dogs small existed in ancient wolves

Researchers discovered a genetic mutation associated with small body size in dogs that also occurred in ancient wolves over 50,000 years ago. This finding presents a new evolutionary narrative and challenges the long-held theory that humans domesticated large wolves to create small companions.

Before horses, ass hybrids were bred for warfare

Ancient Mesopotamian societies produced equid hybrids called kungas by crossing domestic donkeys with wild asses, offering a unique combination of strength and control. These animal hybrids were used for warfare and travel before the arrival of domestic horses in the region.

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.

Nits on ancient mummies shed light on South American ancestry

Scientists have developed a new technique to extract DNA from the 'cement' head lice that attached eggs to hairs of ancient humans. This method reveals clues about pre-Columbian human migration patterns in South America, allowing for the study of unique samples from mummified remains where bone and tooth samples are unavailable.

Ancient DNA reveals the world’s oldest family tree

A team of archaeologists and geneticists analyzed DNA from 35 individuals buried in a Neolithic tomb, revealing a single extended family with 27 close relatives. The research provides new insights into kinship and burial practices in Neolithic times.

Apple iPhone 17 Pro

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

For some Greenlanders, eating sugar is healthy

A genetic variation among some Greenlanders makes sugar healthy by converting it into a short-chain fatty acid called acetate, which boosts the immune system. Adult carriers have lower BMI, weight, and fat percentage, while children may experience negative consequences from consuming sugar.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.

Decoding human history with ancient DNA

Ancient DNA research has revealed multiple waves of introgression between archaic humans and modern humans, as well as genetic continuity with present-day populations. Genetic data support an origin of early modern humans in Africa, while Eurasian populations show several early human lineages.

The origin and legacy of the Etruscans

A recent study using genome-wide data from 82 ancient individuals in central and southern Italy has clarified the origins of the enigmatic Etruscans. The results show that despite their unique cultural expressions, the Etruscans were closely related to their Italic neighbors, with genetic transformations associated with historical events.

Ancient DNA analysis sheds light on dark event in medieval Spain

A medieval Spanish individual, known as the 'Segorbe Giant,' has been analyzed using ancient DNA. The research found that he had a mix of North African and local Spanish ancestry, suggesting a complex history of migration and intermixing. This study sheds light on a dark event in medieval Spain's past.

Fluke 87V Industrial Digital Multimeter

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

Prehistoric humans rarely mated with their cousins

Researchers analyzed 1,785 ancient human genomes to determine parental relatedness, revealing that cousin marriages occurred only 3% of the time. The new method allowed for more efficient screening of ancient DNA, also providing insights into population dynamics and demographic impact of agriculture.

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.

Extinct Caribbean bird's closest relatives hail from Africa, South Pacific

A genetic analysis of a fossil toe bone from the Haitian cave-rail has uncovered unexpected links between Caribbean bird life and the Old World. The study found that the species' closest relatives are actually flufftails, flying birds native to sub-Saharan Africa, Madagascar, and New Guinea, and adzebills, large, extinct, flightless bi...

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.

Ancient DNA sheds light on the peopling of the Mariana Islands

Researchers found that present-day Mariana Islanders' ancestry is linked to the Philippines, suggesting an Island Southeast Asia origin for the first settlers. The study also suggests a close link between Guam skeletons and early Lapita individuals from Vanuatu and Tonga.

Study of ancient dog DNA traces canine diversity to the Ice Age

A global study of ancient dog DNA found at least five different types of dogs more than 11,000 years ago in Europe, the Near East, and Siberia. The research team sequenced DNA from 27 dogs, showing that canine diversity originated when humans were still hunters and gatherers.

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.

Ancient DNA and range of bovids and rhinoceroses

A study analyzing ancient DNA from Tibetan Plateau remains found that prehistoric bovids were genetically similar to modern Asian wild gaurs and diverged approximately 18,000 years ago. Rhinoceroses roamed the region between 8,000 to 6,000 years ago, suggesting a warm and moist environment at the time.

State-driven resettlement in southern Peru

A recent study using ancient DNA, archaeological artifacts, and written records confirms the existence of state-enforced resettlement in 15th century southern Peru. The research reveals that nonlocal people were forcibly relocated to support the economy and quell threats to authority, transforming the Andean sociopolitical landscape.

Dead Sea Scrolls 'puzzle' pieced together with DNA

Researchers successfully decoded ancient DNA extracted from the animal skins on which the Dead Sea Scrolls were written, discerning important historical connections. The study sheds new light on the Dead Sea Scrolls, providing a rare glimpse into the world of Second Temple Judaism.

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.

Ancient DNA paints genetic portrait of Andes civilizations

Researchers analyzed DNA of 89 ancient humans in the central Andes, finding early genetic differences between regions and surprising continuity. Genetic analysis revealed a north-south substructure of the Highlands developing by 5,800 BP, with minimal changes to the genetic structure of the central Andean region between 2,000 and 500 BP.

Ancient Andes, analyzed

An international team analyzed genome-wide data from 89 ancient individuals in the central Andes, revealing early genetic distinctions between groups, population mixing, and surprising genetic continuity. The study provides a comprehensive portrait of pre-Columbian Andean civilizations.

Ancient DNA from Sardinia reveals 6,000 years of genetic history

A new study analyzes genome-wide DNA data from 70 ancient individuals, revealing that Sardinian genetic ancestry remained relatively stable until the Iron Age, when Phoenician, Punic, and Roman populations arrived. The research provides insight into the island's unique history and ancestral connections among Mediterranean peoples.

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.

Ancient DNA reveals social inequality in bronze age Europe households

Research using ancient DNA from German farmsteads (2750 BCE to 1300 BCE) identified a complex family structure and kinship-based social hierarchy, with females often marrying nonlocal men. Wealth and status were inherited by offspring, suggesting social status was passed down through generations.

Ancient DNA study tracks formation of populations across Central Asia

A new ancient DNA study reveals the complex origins of populations in Central Asia, combining archaeological and genetic expertise to illustrate nuanced mechanisms of genetic diversity and change. The research, published in Science, is the largest in the world to date and addresses a significant gap in the ancient DNA dataset.

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.

Prehistoric puma poo reveals oldest parasite DNA ever recorded

Scientists discovered Toxascaris leonina roundworm eggs in ancient puma coprolite from the Catamarca Province, Argentina, dated between 16,570 and 17,000 years ago. The findings provide evidence of parasites infecting wild mammals before human arrival in the region.

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.

Breakthrough in the discovery of DNA in ancient bones buried in water

A recent study published in Nature reveals that ancient bones found in a Finnish lake contain DNA from the modern Sámi people, dating back to around 500-700 AD. The discovery contradicts previous theories about local populations and sheds light on the colonization history of Siberia.

New research shakes up the sloth family tree

Researchers from McMaster University and the University of Montpellier have reached almost identical results in two separate studies, overturning a longstanding consensus on sloth evolutionary relationships. The combined molecular evidence suggests that ancient sloths may have been at home on both land and in trees.

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.

Chewing gums reveal the oldest Scandinavian human DNA

Researchers discovered oldest Scandinavian human DNA in ancient chewing gums, providing a link between material culture and genetics. The study sheds light on the genetic composition of early Mesolithic populations from Scandinavia.

Uncovering a 5000-year-old family tragedy

A 5000-year-old mass grave in southern Poland has been uncovered, revealing the gruesome murder of a large family. Genetic analysis has shown that the victims were related, with mothers and children buried together, suggesting a deep sense of care and unity.

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.

A history of the Crusades, as told by crusaders' DNA

A team of researchers analyzed the DNA of nine 13th-century Crusaders, revealing a genetically diverse group that intermixed with local populations. The findings provide insights into the history of the Crusades and highlight the importance of ancient DNA in understanding historical events.

Crusaders made love and war, genetic study finds

A recent study of ancient DNA from Crusader skeletons confirms they intermingled with local populations, forming families and fighting alongside them. The researchers found that the Crusaders' genetic presence was short-lived, with no lasting impact on Lebanese genetics.