Articles tagged with Marine Life
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.
A new study using a two-dimensional drawing technique has found no general patterns in the fin and body shapes of five warm-blooded Lamniformes species to determine Megalodon's shape. The research challenges previous conclusions about the extinct shark's body form, suggesting that warm bloodedness does not make sharks differently shaped.
A new study by DePaul University researchers has found that all previously proposed body forms of the Megalodon shark are based on speculations. The lack of scientific evidence means that the public image of a massive, monstrous shark remains unchanged, while paleontologists continue to search for clues in the fossil record.
Researchers from McGill University found that oxygen levels rose with complex eukaryotic ecosystems, indicating low oxygen was a significant limitation on evolution for billions of years. The discovery has implications for searching for biosignatures in other planets, focusing on ozone detection.
Marine heat waves in the Chesapeake Bay are projected to increase by half a year by 2100, causing devastating impacts on marine life and coastal economies. The study found a significant upward trend in frequency and intensity of marine heat waves within the Bay.
New research reveals that invasive species can arrive in Antarctic waters from almost anywhere across the globe via biofouling on ships' hulls. Fishing, tourism, research, and supply ships expose Antarctica to non-native species threatening its pristine environment.
A new machine learning algorithm can accurately identify fish calls from hydrophone data, enabling efficient analysis of marine environments. The method has implications for understanding changes in ocean conditions and coral reef health.
New research reveals that Prochlorococcus thrive in ocean waters where a shared predator with bacteria and phytoplankton coexists, not just warm temperatures. The study suggests this relationship is crucial for the microbe's survival and population distribution.
A research team identified a general macroecological mechanism that challenges global conservation strategies, finding that remote fish communities are vulnerable to coral loss and other ecological dependencies
Researchers found that climate change is causing a compound effect of extreme events in the oceans, including heatwaves, acidity, and low oxygen levels. This combination can be fatal to marine species, especially those already living at the upper end of their optimal temperature range.
A Texas A&M University study reveals that mussel beds shield tiny crabs and isopods from temperature swings and drying out on hot days. This 'ecological air conditioning system' provides crucial protection for heat-sensitive species, helping them weather near-term climate change effects.
A recent study in Frontiers in Marine Science has found over 100 underwater animal species thriving on a 2,200-year-old Mediterranean shipwreck. The 'ecological memory' of the wreck provides valuable insights into how marine animals colonize empty sites and form diverse communities.
Researchers at the University of Exeter found that coral reef restoration projects can lead to a healthy and functioning ecosystem through the soundscape, with increased fish sounds recorded on restored reefs. The study used acoustic recordings from 2018-2019 as part of the monitoring program for the Mars Coral Reef Restoration Project.
A study predicts that 6,150 km of new Pacific salmon habitat will emerge in the Pacific mountains by 2100, with most occurring in Alaska and the transboundary region. This newly formed habitat can support rapid colonization by salmon populations, offering local opportunities for some species but posing challenges under climate change.
Coastal organisms thrive on floating plastic debris in the North Pacific Subtropical Gyre, expanding their biogeography. The discovery reveals that plastic pollution is providing a habitat for coastal species to survive and even thrive in the open ocean.
A research team has identified a bacterium responsible for producing palmerolide A, a melanoma-fighting compound found in Antarctic sea squirts. The discovery could lead to the development of naturally-derived treatments for skin cancer.
A new filtration system using acoustic waves successfully separates microplastics from polluted water, with a cleaning rate of 150 liters per hour. The device's efficiency varies with acoustic frequency and density of the water, but shows promise for improving marine life safety.
Researchers from South Korea have demonstrated that applying an electric field during air stripping can significantly improve ammonia removal efficiency from wastewater. The study found that electric fields with alternating current of 50 MHz and power of 15 V/cm increase efficiency from 51% to 94%, even under sub-optimal conditions.
The 74th APS Division of Fluid Dynamics Annual Meeting featured presentations on COVID-proofing daily life, kimchi physics, and extreme heat waves. Researchers also discussed advancements in fire-fighting trees and the science behind jellyfish engineers.
Whale-watch vessels with louder petrol engines significantly disrupt short-finned pilot whale resting and nursing, according to a study. The researchers found that mothers who were approached by the vessel with the petrol engine spent on average 29% less time resting and 81% less time nursing their calves.
A new study suggests that waters off the French coast can be a deadly trap for small, foraging turtles in winter. Satellite tracking data reveals that younger individuals are at risk of being trapped in the region due to their inability to regulate body temperature and get lethargic with decreasing sea temperatures.
Researchers have identified a new species of damselfish, Dascyllus emamo, based on distinct sounds emitted during mating and territorial defense in different populations. The discovery was confirmed through genetic analysis, revealing significant differences between the sound-producing populations.
Researchers developed a biodegradable polymer called polylactide (PLA) with RNA-inspired breaking points, which can break down faster in seawater. The degradation rate of the polymer can be tailored depending on the amount of breaking points, offering a potential solution to marine pollution.
A HKUST research team found a nearly doubled Diatom/Dino ratio in the Pearl River Estuary over two decades, challenging the notion that higher ratios indicate better water quality. The study also reveals temperature and nutrient concentration play significant roles in diatom blooms.
Research at Florida Atlantic University found that green sea turtles in polluted environments have impaired immune systems, leading to increased disease susceptibility. The study suggests a positive feedback loop where pollution compromises immunity, making turtles more prone to Green Turtle Fibropapillomatosis.
The COVID-19 pandemic has exacerbated plastic pollution, with global waste generation increasing by twice the amount in 2020 compared to 2019. To address this issue, researchers advocate for a transition to novel sustainable practices and technologies, including biodegradable plastics and efficient recycling processes.
The global coral reef crisis is characterized by widespread overfishing, pollution, disease, and climate change. The report highlights the need for swift action to address these issues and identifies management efforts such as reducing pollution and establishing marine protected areas.
A new Stanford University study suggests that rising oxygen levels may have slowed down ancient ocean extinctions. The research found that oxygen levels beyond 40% of present atmospheric levels expanded viable ocean habitat and reduced extinction rates. This discovery has implications for understanding the fate of ocean creatures in to...
The Copernicus Ocean State Report reveals record low Arctic ice levels, with a 90% reduction in average sea ice thickness in the Barents Sea. The report also highlights extreme variability in ocean temperatures and oxygen levels, posing significant challenges for marine ecosystems.
A new five-year study found that some shark species, like sandbar and tiger sharks, have low mortality rates after being caught and released, while others, like blacktip and spinner sharks, face higher mortality rates. The study's findings are crucial for sustainably managing shark populations.
A study on Antarctic jellyfish was conducted using footage from an amateur nature video. The research team identified 12 species, with two likely representing undescribed species. A machine learning training set for video annotation was also developed.
The National Science Foundation has awarded a $2.5 million grant to Cornell University to study the transmission pathways of seagrass wasting disease in coastal meadows. The researchers aim to understand how climate warming affects the spread of the disease, which can have devastating effects on marine biodiversity and human health.
Researchers tracked insect evolution with major Pacific Ocean currents, revealing species adapted to different conditions. Genetic analysis of ocean skaters found distinct variations among species, mirroring changes in currents and climate.
Researchers suggest sea snakes mistake divers for rival snakes or potential mates and female sea snakes perceive them as hiding places. Staying still allows divers to avoid escalation and bites.
A new study on coral reefs in Kiribati found that more polluted and high-traffic waters can handle extreme heat events better than remote reefs. The research raises questions about the effectiveness of marine protected areas in conserving coral reefs.
Scientists from Bigelow Laboratory discovered microorganisms in crustal rock beneath the Atlantic Ocean, using a new method to study them. The findings show that these microbes survive mostly off carbon from seawater, with some possibly using carbon monoxide for energy.
A new study found that plastic pollution is ingested by juvenile sea turtles, leading them to accumulate in highly polluted areas like the Great Pacific Garbage Patch. The research team examined 121 sea turtles from five species and found that 86% of loggerheads and 83% of greens contained plastic.
This article provides an overview of sulfur-containing natural products from marine microorganisms, highlighting their molecular diversity and bioactivities. A total of 484 compounds were recorded, with 59.9% being thioethers, 29.8% being thiazole/thiazoline-containing compounds, and 10.3% being sulfoxides, sulfones, and thioesters.
Sea urchin larvae use light to control digestion by opening and closing the pylorus, a critical component of the digestive tract. This finding suggests that early brain functions may have included regulating digestion, providing insights into animal evolution.
Researchers at UC Santa Barbara have deciphered the composition and function of sea urchin microbiomes, revealing significant differences between red and purple species and habitats. The study suggests that sea urchins may be able to produce their own food using microbes in their guts.
Researchers suggest that worlds with interior water ocean worlds (IWOWs) are more habitable due to protection by layers of ice and rock, shielding life against threats. This concept expands the search for life beyond Earth-like planets.
A study found that sea otters in Monterey Bay are maintaining patches of healthy kelp forest despite a decline in overall kelp forests along the California coast due to an outbreak of sea urchins. Sea otters increase their consumption of urchins in the remaining kelp patches, but ignore those in barren areas with low nutritional value.
A study explores how a drastic reduction in kelp forests led to shifts in sea otter and sea urchin behavior, restructuring mechanisms that control the ecosystem. Following the decline, sea otters increased their consumption of energetically profitable urchins, enhancing kelp patch resistance to overgrazing.
The Northern California kelp forest ecosystem has collapsed due to an abrupt loss of a key predator, the sunflower sea star, which was wiped out by sea star wasting disease. The area covered by kelp forests has dropped by over 95%, with only isolated patches remaining.
Researchers studied sea star shapes and found that their unique shape creates a
Researchers explore co-culture strategies to activate silent gene clusters in microorganisms, leading to the discovery of novel bioactive natural products with diverse and novel structures. These compounds exhibit various bioactivities, including extensive antimicrobial activities and potential cytotoxic activities.
The parasitic dinoflagellate Hematodinium infects marine crustaceans globally, resulting in mortalities due to organ malfunction. The pathogen has developed into an emerging epidemic threat to China's sustainable crab culture and wild populations.
Researchers at the University of Colorado Boulder discovered a link between ancient cyanobacteria and the Great Oxygenation Event. The study suggests that these single-celled organisms played a crucial role in transforming the planet's chemistry, producing oxygen gas that paved the way for life on Earth.
A study at the Weizmann Institute of Science reveals microplastics are swept up into the atmosphere and carried on the wind to remote parts of the ocean. The findings suggest these minuscule fragments can harm marine environment and affect human health through the food chain.
The sunflower sea star, a key predator in kelp forests, has suffered a dramatic 90.6% decline due to sea star wasting syndrome, resulting in an estimated 5.75 billion animal deaths and nearly complete population loss in the contiguous US and Mexico.
Researchers found that mass extinctions of land-dwelling animals, including amphibians, reptiles, mammals, and birds, coincide with major asteroid impacts and devastating volcanic outpourings of lava. The study suggests that these periodic events may be triggered by comets and are linked to the Earth's orbit in the Galaxy.
A fleet of deep-diving ocean robots will investigate how marine life captures and stores carbon from the atmosphere. The research, called SOLACE, aims to improve our understanding of the 'carbon pump', a process responsible for pumping large volumes of carbon into the ocean.
An international team of scientists is calling for a dedicated decade-long programme to greatly advance discovery in the remote regions of the world's oceans. The programme, named Challenger 150, aims to generate new data through global cooperation and application of new technology.
Researchers used advanced technology to study fish communities residing on two World War II shipwrecks off the North Carolina coast. The study found large predatory fish thriving on the wrecks, challenging current understanding of how they find such remote habitats.
Researchers at Stanford University and NASA's Jet Propulsion Laboratory propose a new explanation for the source of powerful eruptions on Europa's icy surface. The model suggests that water pockets embedded in the ice shell itself could be the origin of these eruptions, rather than the subsurface ocean.
The webinar, titled 'The first carnival of the animals: Causes and consequences of the diversification of Early Palaeozoic marine life', will be presented by leading palaeontologists Professor David Harper and Professor Renbin Zhan. It will examine how major biotic events such as the Cambrian Explosion influenced life on Earth.
Researchers aim to quantify tyre particle concentrations in rivers and oceans, exploring their impact on sea life. The TYRE-LOSS project uses advanced techniques to model dispersal and estimate risks to marine life at environmentally relevant concentrations.
Research published in Science Advances by a University of Saskatchewan-led team reveals an explosion of ancient life on the ocean floor nearly 540 million years ago. The study found evidence of animals actively engineering their ecosystem, constructing diverse burrows that may have laid the foundation for greater diversity in marine life.
The Fukushima Dai-ichi Nuclear Power Plant's stored contaminated wastewater contains multiple radioactive isotopes with varying levels of risk. These include tritium, a relatively short-lived isotope, and other isotopes like carbon-14, cobalt-60, and strontium-90, which pose more complex hazards to humans and the environment.
Researchers found that Europa's ocean could have been formed by tidal forces or radioactive decay, leading to a potentially habitable environment. The team's models suggest that the ocean's composition became more Earth-like, with high concentrations of carbon dioxide and calcium, making it suitable for life.
A new study found that seasonal growth and destruction of sea ice in the Southern Ocean enhances marine life present in the sea around Antarctica, sequestering carbon from the atmosphere. The researchers analyzed data from a period when atmospheric carbon dioxide levels plateaued at 240 ppm 14,600 years ago.