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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

First Caribbean 'dirt ant' found in 16-million-year-old amber

A 16-million-year-old fossil of a newly discovered extinct dirt ant species, Basiceros enana, has been found in Dominican amber. The Caribbean species is notably smaller than its modern relatives, offering direct evidence of their presence in the region before local extinction.

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First amber find on the Antarctic continent

A team of researchers has made the southernmost discovery of amber in the world, revealing environmental conditions and forest ecosystems near the South Pole. The 'Pine Island amber' provides direct insights into a swampy, conifer-rich, temperate rainforest environment 90 million years ago.

Trying to understand the water bear body plan

Researchers at Harvard University used confocal laser microscopy to examine ancient fossils of tardigrades, revealing a new species and confirming the existence of four previously unknown specimens. The study sheds light on the evolutionary history of tardigrades, including their ability to survive extreme conditions.

Amber reveals mating behavior of cretaceous water striders

Researchers have discovered fossilized water striders in copulation, providing a rare glimpse into the mating behaviors of ancient insects. The study reveals strong sexual conflict between males and females, with males using specialized morphological adaptations to overcome female resistance.

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

Earliest-known fossil mosquito suggests males were bloodsuckers too

The discovery of fossilized male mosquitoes in 30 million-year-old amber suggests that males were also hematophagous, feeding on blood. This finding helps narrow the 'ghost-lineage gap' for mosquitoes and complicates our understanding of the evolution of blood-feeding habits.

Oldest family of jewel wasps discovered from Cretaceous amber in Lebanon

A newly described family of jewel wasps, Protoidae, has been found in Cretaceous amber from Lebanon, providing a unique snapshot of the group's early evolution. The discovery reveals striking characteristics, including a long, shovel-like process, which may have assisted with egg-laying and ovipositing.

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Why do we find so much amber in Cretaceous rocks?

Researchers discovered that coniferous forests spread across the planet during the Cretaceous period, allowing for high resin production and creating conditions suitable for mass formation of amber deposits. The study sheds new light on Earth's history, revealing insights into ancient ecosystems dominated by flowering plants.

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Sony Alpha a7 IV (Body Only)

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Preserved in amber

Research into Myanmar amber fossils is hindered by the country's ongoing political, legal, and economic crises. The strict restrictions on research access have led to international researchers acquiring the valuable amber for study.

Scientists discover new ant species

Researchers used high-resolution imaging techniques to identify a new ant species and genus, †Desyopone hereon gen. et sp. nov., from 16-23 million year old Ethiopian amber.

Life at close quarters

Researchers discover fossil lacewing larvae with enlarged abdomens, providing insights into the evolution and lifestyle of early lacewings. The discovery sheds light on the successful evolutionary strategy of physogastry, which allows insects to greatly increase their body volume when required.

Entombed together: Rare fossil flower and parasitic wasp make for amber artwork

A rare fossil flower of the Euphorbiaceae family has been discovered in 30-million-year-old amber, along with a parasitic wasp. The flower, named Plukenetia minima, is notable for its small size and lengthy stalk. The wasp, Hambletonia dominicana, was found to have an egg that hatches into a fly larva within the flower's seed pods.

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Mineralization of amber insects provides new view of amber taphonomy

Researchers discovered calcification and silicification of insects in Kachin amber, preserving complete compound eyes, cuticle structures, and skin sensillae. The study sheds light on the role of mineralization in preserving fossils and challenges existing views on amber taphonomy.

Division of labor in ants goes back over 100 million years

Ants have evolved a unique division of labor for over 100 million years, with fossil discoveries providing the first evidence of cooperative behavior in the early Cretaceous period. The study describes two new species of extinct ants, revealing intricate details about their anatomy and social structure.

Amber fossil reveals new clues about ancient cockroach ecology

A 100-million-year-old cockroach fossil provides insights into its sensory organs, which suggest the species lived in bright environments during the day. The study found that the extinct species had well-developed eyes and a unique pattern of receptors on its antenna, indicating it may have used these to communicate between sexes.

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Unique dinosaur-era fossil bridges a gap in the evolution of crabs

A newly discovered ancient crab fossil, Cretapsara athanata, has shed new light on the evolution of crabs. The 100 million-year-old fossil, found in amber, provides evidence that crabs transitioned to land around 100 million years ago, bridging a previously unknown gap in their evolutionary history.

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Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Newly discovered miocene biome sheds light on rainforest evolution

A new research discovery reveals an exceptionally diverse tropical seasonal rainforest biota from the Miocene era, with over 250 arthropod families and 78 broadleaf tree species. This find provides insights into the evolution of rainforests and their potential adaptability to a warmer world.

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ACS Spring 2021 press conference schedule

New methods to detect doping compounds in urine samples using ion mobility-mass spectrometry will help regulatory agencies track existing dopants and future 'designer' compounds. Baltic amber's therapeutic effects have been pinpointed, potentially leading to new medicines for antibiotic-resistant infections. Scientists also report a wa...

Scientists uncover the last meal of a cretaceous pollinator

Researchers uncover a new fossil beetle species from mid-Cretaceous amber, shedding light on the earliest pollinators of flowering plants. The discovery shows that short-winged flower beetles visited angiosperms in the Cretaceous, leading to a direct link between early flowering plants and their insect visitors.

Artificial light at night may disrupt firefly mating

New research reveals that artificial light at night significantly suppresses courtship activity in fireflies, with bright amber light having the greatest impact on female receptivity. This study highlights the need to minimize outdoor lighting to protect firefly populations.

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.

Animal evolution -- glimpses of ancient environments

A research team led by LMU zoologists identified fossils of insect larvae in Baltic amber, which suggest open areas of grassland nearby. In another sample, a rare Cretaceous butterfly larva with spines was discovered in Myanmar amber, supporting the idea that butterflies underwent early diversification.

Scientists reconstruct beetles from the Cretaceous

A research team led by the University of Bonn has reconstructed four newly found beetle species using computer tomography, providing insights into their morphology and evolutionary history. The study suggests that beetles suffered a decrease in diversity during the Cretaceous period as plants transitioned from gymnosperms to angiosperms.

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"Immortal" in tree resin

An international team detected DNA from ambrosia beetles trapped in recent tree resin for less than seven years. The study challenges previous fails in finding DNA in older samples and opens up new possibilities for genetic research.

Salute the venerable ensign wasp, killing cockroaches for 25 million years

Researchers at Oregon State University have identified four new species of parasitic, cockroach-killing ensign wasps that became trapped in tree resin and fossilized into amber 25 million years ago. The discovery reveals the wasps' long history of controlling cockroach populations and sheds light on their behavior.

Aranet4 Home CO2 Monitor

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100-million-year-old amber reveals sexual intercourse of ostracods

Fossilized ostracods found in 100-million-year-old amber reveal evidence of sexual intercourse, including male clasper, sperm pumps, hemipenes, eggs, and female seminal receptacles. This discovery provides insights into ancient ostracod autoecology and reproductive behavior.

Wide awake: Light pollution keeps magpies and pigeons tossing and turning

Researchers measure neurological responses to light pollution in wildlife, finding both magpies and pigeons' sleep disrupted by artificial white and amber lighting. The study suggests that using short-term solutions like switching off porch lights and installing sensor lights can help mitigate the impact of light pollution on bird sleep.

Amber fossils unlock true color of 99-million-year-old insects

Scientists discovered colorful insect specimens in 99-million-year-old amber fossils, revealing the secrets of true coloration. The study sheds light on the behavior and ecology of ancient animals, providing insights into ecosystems in the deep geological past.

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

Cracking open the proton

The COMPASS experiment at CERN is analyzing the proton's inner structure using particle collisions and complex algorithms. The team confirmed a theoretically expected sign change in the Sivers function, which relates to quark orbital motion inside the proton.

Paleontology: Fossil trove sheds light on ancient antipodean ecology

A fossil trove from Southern Gondwana has shed light on the ecology of ancient Australia and New Zealand, preserving the oldest known animals and plants. The findings include rare 'frozen behaviour' of long-legged flies, oldest known fossil ants, and first Australian fossils of a tiny insect species.

Beetles changed their diet during the Cretaceous period

Researchers discovered four new beetle species in 99 million-year-old amber fossils from Myanmar, which helped flowering plants spread and benefited the beetles. The beetles' adaptability allowed them to form a mutually beneficial symbiosis with the emerging angiosperms.

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Amber specimens reveal origin of long mouthpart of scorpionflies

A new genus found in 99-million-year-old Burmese amber reveals the evolutionary origin of scorpionflies' distinctive long mouthparts. The discovery sheds light on the early evolution of pollinators and challenges previous assumptions about the development of fleas.