Articles tagged with Marine Biology
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.
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.
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.
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.
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.
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.
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.
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.
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.
The 'Nature's Envelope' is a simple model that depicts the scope and scale of biology by compiling information about all living organisms' processes. The model plots sizes of participants and durations of processes on a logarithmic grid, revealing broad S-shaped envelope encompassing half of decadal blocks.
Researchers developed a pedigree for aquarium-bred corals, revealing relationships between individuals and identifying genetic differences. The study provides insights into maximizing genetic diversity and adaptability in corals bred for conservation, crucial for their resilience to threats like ocean warming and acidification.
Researchers recorded gloomy octopuses throwing debris, with females accounting for 66% of throws. The behavior was often linked to social interactions or mating attempts.
A new study has revealed the genetic basis of argonaut octopus characteristics, including its unusual eggcase structure and adaptations for a pelagic lifestyle. The smallest known cephalopod genome was found in Argonauta argo, with significant differences in Hox gene arrangements and reflectin and tyrosinase gene clusters.
A small clam previously known only from fossils has been found living in the tidepools of Naples Point, California. Researchers identified the species as a new find after comparing fossil records and specimens.
A three-year experiment found that mixotrophs evolved to be less photosynthetic at higher temperatures, potentially increasing CO2 production and contributing to climate change. The study also suggests natural selection has a stronger effect on organisms with less flexible characteristics.
Scientists have discovered exceptionally well-preserved fossils in China that date back 514 million years, revealing the first animals to build hard and robust skeletons. The fossils show features characteristic of modern jellyfish and cnidarians, including a tubular structure made of calcium phosphate.
Researchers found coastal embayments experience episodic hypoxic events and increased hypoxic conditions compared to open coastline. These areas are likely to be impacted by climate change and ecosystem changes.
Researchers have discovered a newly found protein, CTENO189, that controls the unique locomotion of comb jellies. The protein is essential for the rippling movement of their comb plates, which propels them through the water.
A new study found that offshore mussel farms can increase species abundance, including Atlantic horse mackerel and European lobster, on degraded seabed habitats. The research suggests that this practice could have wider environmental benefits, supporting the national and international Blue Growth agenda.
A study published in Nature suggests that ocean heating in the western tropical Pacific will make the East Asian monsoon season wetter. The researchers found a correlation between increases in monsoonal rain in eastern China and the heat content of the Indo-Pacific Warm Pool over the past 360,000 years.
In a study published in PLOS ONE, researchers found that large pelagic fish prefer using sharks as scratching surfaces for parasites. In contrast, smaller fish tend to avoid taking this risk due to the threat of predation, highlighting the adaptability of these species.
A WWII shipwreck in the North Sea is leaking hazardous pollutants like explosives and heavy metals, influencing marine microbiology and geochemistry. The study found varying concentrations of toxic substances depending on distance from the wreck, with highest metal levels near the coal bunker.
Researchers advocate for ocean-centered governance to resolve crises and foster harmony with humanity. The Earth Law Center and other experts propose introducing rights to the ocean.
The Black in Marine Science organization, founded by Tiara Moore, aims to increase diversity in the field. Despite its efforts, it still faces significant challenges, including a lack of representation among minority groups.
Research found that native predatory fish like jacks and barracuda feed on Australian mullet, an invasive species introduced to Oahu waters. This shift in diet helps control the invasive mullet population, which competes with native fish for resources.
A new species of deep-sea fish has been discovered in the Atacama Trench, belonging to the genus Paraliparis. The small blue snailfish, named Paraliparis selti, is distinct from other hadal snailfishes due to its striking color and large eyes.
A new study evaluated the performance of a Seabin device in Plymouth, UK, finding it captured only 0.18kg of litter over 750 hours of operation. In contrast, manual trawls collected significantly more litter with minimal harm to marine life.
A team of researchers has observed orcas killing white sharks in South Africa using drone and helicopter footage. The study provides the first direct evidence of this behavior, showing that orcas are capable of pursuing, capturing, and incapacitating white sharks.
Researchers have discovered that small eddies, swirling at the edges of massive ocean currents, are a key source of nutrients for phytoplankton. These nutrient-rich eddies help maintain healthy populations of phytoplankton, which are essential for carbon sequestration and mitigating climate change effects.
The devices, made from a combination of stretchy material and dinoflagellate-infused culture solution, trigger light emission through mechanical stress. They can be recharged with sunlight and are maintenance-free, making them suitable for soft robots exploring dark environments.
Researchers have identified a new-to-science species of octopus, Callistoctopus xiaohongxu, found in the southeast waters of China. The species has distinctive smooth skin and reddish-brown coloration, making it a significant discovery for cephalopod diversity in Chinese waters.
A new study suggests that global fish stocks will not be able to recover to sustainable levels without strong actions to mitigate climate change and overfishing. Climate change has reduced fish stocks in 103 of 226 marine regions studied, including Canada, from their historical levels.
Researchers found that corals can pass somatic mutations to their offspring, which increases genetic diversity and provides a potential route for evolutionary adaptation. The discovery challenges conventional wisdom on the role of reproductive cells in evolution.
Researchers confirm significant increase in freshwater entering the Arctic Ocean via the Bering Strait, leading to a decrease in saltiness and potential impacts on sea ice formation and regional ecosystems. This change could also affect climate-sensitive processes, such as deep water mixing in the North Atlantic.
Kelp forests, which sequester large amounts of atmospheric carbon, may struggle to trap it due to accelerating decomposition rates in warmer waters. A study found that sea temperature has a strong influence on decomposition rates, with kelp fragments degrading more slowly in cooler waters.
The University of Guam is conducting a four-person research team's study on the genetics of corals from the Northern Mariana Islands to understand coral population connections, diversity, and adaptations. The study aims to identify potential reserves for declining reefs and assess the impact of warming waters.
Researchers analyzed 843 beach surveys to find that certain beaches and areas accumulate litter in predictable patterns. The study found that beaches with more organic flotsam tend to have more litter, and that litter on the outer coast shows a strong seasonal pattern.
Researchers found that bioturbation by fiddler crabs increases soil pH and reduces salinity, creating a more hospitable environment for beneficial bacteria. These bacteria produce essential chemicals for iron trapping, improving mangrove plant growth.
A new species of Bathynomus, a type of deep-sea isopod, has been discovered in the Gulf of Mexico. The new species, B. yucatanensis, is around 26cm long and has unique features such as slender body proportions and longer antennae.
Scientists discovered that ancient eelgrass migration and Pleistocene ice ages left lasting signatures in their DNA, impacting size, structure, and community composition. Genetic legacy played a stronger role than the present-day environment in determining these traits.
A team of scientists has discovered that idoteas, tiny marine creatures, play a crucial role in the reproductive cycle of red algae by pollinating them. This unique interaction not only aids the alga's reproduction but also provides the idotea with food and shelter.
A new study from North Carolina State University found that positive YouTube videos of sharks can increase human tolerance and support for shark conservation. The study showed a significant increase in attitudes, acceptance, and intentions to help sharks after watching positive videos compared to negative ones.
Researchers at Okinawa Institute of Science and Technology Graduate University found that garden eels retreat into their burrows to feed in strong currents, reducing drag on their body by 57%. Their feeding rate peaks at around 0.2 m/s, wider than free-swimming reef fish.
Clown anemonefish control their growth to match larger anemones, growing faster than fish on smaller anemones. This mutualistic interaction allows for optimized reproductive value in their environment.
A tiny marine animal, copepod Eurytemora affinis, has evolved rapidly in response to declining ocean salinity due to climate change. The study found that certain genetic combinations of ion transporters were more likely to survive and thrive in freshwater environments.
A large-scale study by Rutgers researcher Alan Robock and colleagues found that even small nuclear wars would rewire the physical, biological, and ecological states of oceans. The study simulated a U.S.-Russia war and several smaller India-Pakistan wars, calculating the effects of atmospheric soot on ocean functions.
A new study synthesizes the impact of metal and coal mines on salmon and trout in northwestern North America, revealing severe and long-lasting harm to watersheds and ecosystems. The research emphasizes the need for more complete and transparent science-based policies to inform mining governance.
Research suggests climate-driven changes in seawater density may disrupt mangrove dispersal patterns worldwide, particularly in the Indo-West Pacific region. The study, published in Nature Climate Change, highlights the importance of considering oceanic factors in understanding mangrove response to climate change.
Scientists studied embryonic development in fish and cartilaginous fish, revealing that the jaw shares a common developmental origin with the gill. The findings support the theory that the jaw evolved by modification of an ancestral gill, which was previously considered controversial.
A new species of sea anemone has been discovered off the coast of Japan, forming a symbiotic relationship with the hermit crab. The anemone attaches itself to the crab's shell using a hard shell-like secretion, while the crab taps and pinches the anemone to move it to its new shell.
Two Rutgers studies project that offshore wind farms will reduce Atlantic surfclam catches by 3-15%, with losses reaching 25% in New Jersey. A spatially-explicit model, SEFES, predicts impacts on fishing behavior and revenue.
Researchers tracked shark movements near Miami's city limits, finding they spent significant time near lights and sounds. This suggests sharks may be drawn to shore by land-based activities like fish carcass discarding, potentially impacting their health and survival.
A University of Otago-led study used genomic analysis to track the origins of kelp found on southeastern New Zealand beaches, revealing connections to South Georgia and Marion Island. Kelp rafts carry a variety of organisms across vast distances, influencing ecosystem dynamics.
Researchers surveyed 34 women leaders in marine science, finding that 70% thought interdisciplinary research was more challenging for them. They shared personal experiences of discrimination and suggested institutional encouragement, networking opportunities, and mentorship programs to address these inequities.
Researchers discovered how electric fish evolved electric organs by modifying a sodium channel gene. The finding highlights the potential for this genetic mechanism to contribute to human diseases. By studying electric fish, scientists can gain a better understanding of evolutionary processes and their applications in human health.
New research reveals that bottlenose dolphin signature whistles are shaped by the local ocean environment and population demographics, not genetics. In Mediterranean populations, areas with seagrass yielded higher-pitched, shorter signature whistles compared to muddy sea bottoms.
New research shows that motorboat noise disrupts parental behaviors in coral reef fish, but reducing noise levels improves breeding success. On quieter reefs, 65% of nests contained offspring, compared to 40% on busy reefs. The study suggests that acoustic sanctuaries can help build resilience on coral reefs.
A team of University of Hawaii researchers found that the number of hours of darkness during the lunar cycle triggers mature Hawaiian box jellyfish to swim to shore to spawn. The study also revealed that jellies are likely to come from the lee of Diamond Head Crater, where they benefit from shelter and food.
Researchers found that baby leatherback hatchlings are less sensitive to light than loggerheads, leading to circling behavior and delayed ocean entry. This difference may be an adaptation for detecting prey or habitats in the open ocean.
Researchers identified Tenacibaculum maritimum, a bacterium causing ulcerative disease, and piscine orthoreovirus (PRV), a virus causing disease in Pacific salmon worldwide. The study links PRV to negative impact on wild Pacific salmon survival in B.C.
A new study published in PNAS reveals that a specific bacterial compound, lipopolysaccharide, induces larval marine tubeworms to settle on the seafloor and undergo metamorphosis. The discovery offers hope for coral reef restoration, mariculture, and biofouling prevention.
A new study identifies Komodo National Park as a key location for the recovery of threatened manta rays. The research uses crowdsourced photographs and machine learning to track individual manta rays' movements and preferences, revealing some species have strong site loyalties despite short distances.
A study by researchers from the University of Chicago reveals that maternal octopuses undergo a massive shift in cholesterol metabolism, resulting in dramatic changes in steroid hormones produced. This phenomenon is linked to a life cycle process and has serious consequences on longevity and behavior across different animals.
Researchers study the sea-surface microlayer, a biogeochemical reactor where organisms adapt to harsh conditions like UV radiation and fluctuating temperatures. The team aims to understand biological, chemical, and physical interactions in this thin layer, influencing global climate.
Researchers documented traditional wooden boats in the Zanzibar Channel, showing continued use despite modern transportation developments. The study highlights innovations such as outboard engines and portable generators, which have transformed fishing methods.
A study of historical tiger shark jaws reveals a local southeastern Australian population has been extirpated due to shark control programs, emphasizing the need for regional management and conservation. Genetic diversity drives future evolution, and its loss can lead to reduced adaptability to environmental changes.
Paleontologists discovered sets of fossils representing three new ichthyosaurs, including the largest ichthyosaur tooth ever found. The discovery includes a 15-meter-long ichthyosaur and the largest trunk vertebra in Europe, rivaling the 21-meter long Shastasaurus sikkanniensis.
Mariculture holds great potential to help satisfy global demand for meat, but requires careful governance and efficient operations. The study suggests that finfish and shellfish farms can increase seafood availability, while maintaining ecosystem health.
A scientific expedition led by the Smithsonian Tropical Research Institute aims to explore and document the biodiversity of Panama's Cordillera de Coiba seamounts. The mission, funded by several organizations, will use advanced technology to study the important habitats in the area.