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.
Scientists studying ancient fish bones in Scandinavia have discovered that warm-water species like anchovies and black sea bream are returning to Danish waters as temperatures rise. This finding suggests that sustainable cod populations can be maintained in the North Sea even during climate change, but with reduced fishing pressure.
A new hypothesis suggests that life emerged in the confined spaces between mica layers in ancient oceans. This model provides a more plausible explanation than existing prebiotic and 'pizza' hypotheses, explaining how early biomolecules formed and evolved.
Historians detail a burst of fishing from 1900 to 1950 that preceded the decline of bluefin tuna populations in the North Atlantic. The research suggests high fishing pressure played a key role in the species' disappearance.
A recent study published in Nature reveals the discovery of over 700 new species in the Antarctic deep sea, including carnivorous sponges and crustaceans. The research suggests that the glacial cycle led to an intermingling of species from shallow and deep water habitats, redefining our understanding of ocean evolution.
The LA Times reporters were recognized for their outstanding journalistic achievement in raising public awareness about human-caused ocean microbiological changes. Their 5-part series, Altered Oceans, explained how overfishing and waste dumping are creating a biological imbalance in the world's oceans.
A team of international scientists has discovered a new group of microscopic organisms in the Arctic Ocean, which have diverged from known organisms more than land plants and animals. These 'picobiliphytes' are highly fluorescent and transform light into biomass, highlighting the ocean's complex biodiversity.
The sea urchin genome shares significant similarities with the human genome, including genes associated with Parkinson's, Alzheimer's, and Huntington's diseases. The discovery could hold key insights into developing new treatments and therapies.
The sea urchin genome sequencing project reveals a surprising relationship between sea urchins and humans, sharing more genes and biological pathways than previously suspected. The analysis provides novel insights into the structure and function of human genomes.
The sea urchin genome reveals 23,300 genes and a sophisticated innate immune system. Humans share genes associated with diseases like muscular dystrophy and Huntington's disease with these eyeless animals, which can sense light through their feet.
Researchers sequenced the purple sea urchin genome, detecting an unusually large number of innate immunity genes and early components of adaptive immune system. The findings suggest that complex genetic regulatory circuits were assembled in a late evolutionary event.
Researchers have sequenced the sea urchin genome, revealing a powerful model system for studying embryonic development and immunity. The study's findings could lead to new insights into human skeletal formation and immune system function.
The completed sea urchin genome reveals an 'extraordinarily complex innate immune system' that could provide new tools against infectious diseases. The genome also holds secrets to understanding aging and chemical threats, with potential implications for human health.
Scientists discover 20,000+ kinds of rare bacteria in 1 liter of seawater using new DNA sequencing tools, challenging previous estimates of marine microbial diversity. The 'rare biosphere' plays an important role in ecological processes and evolutionary history.
A new study reveals that removing top predator species from kelp forests has a profound impact on the ecosystem, while organic coastal run-off has minimal effect. The research suggests California is on the right track with fishing limits to protect the delicate food chain.
Researchers have discovered a dichotomy in sea turtle migration patterns in the eastern Atlantic, revealing two distinct foraging strategies. The study found that adult turtles occupy different habitats and diets, with coastal adults being larger and feeding on arthropods, while oceanic adults are smaller and feed on floating plants.
A massive marsh planting project is set to begin in coastal Alabama and Mississippi, aiming to restore salt marshes and their ecosystem services. The project, led by Dr. Cebrian, will focus on restoring black needlerush and other plant species, and will involve the coordinated efforts of researchers, resource managers, and volunteers.
Scientists used ancient sea creature shells to uncover a monumental reversal in deep-ocean circulation patterns around the world. The shift was triggered by global warming and led to drastic climatological and biological changes.
Researchers discovered a surprisingly active innate immune system in sea urchins that utilizes previously unrecognized mechanisms. The study's findings have implications for understanding innate immunity in vertebrates and may lead to the discovery of novel immune diversity in other animals.
Researchers found that sea lilies move by shedding stalk ends and using feathery arms to crawl. This defense strategy helps them evade sea urchins, which prey on them. The discovery sheds light on the evolution and ecology of deep-sea creatures.
A recent study found that green turtles in Nicaragua have a mere 50% chance of survival due to heavy fishing. WCS researchers urge drastic reductions in fishing levels to prevent the turtles' extinction.
Researchers from Texas A&M University have found lower oxygen levels in the dead zone area of the Gulf, which could lead to more severe hypoxia and fish kills if physical conditions continue. The team studied an area between Southwest Pass, La., and the Calcasieu ship channel.
The Bridging the Rift project is a unique collaboration between Arab and Israeli scientists, with 40 researchers from Israel, Jordan, and the US working together. They conducted a joint biological field survey in January, collecting microbes and plants that thrive in the harsh desert environment.
Researchers found a gene that produces peroxide to 'stitch' together proteins surrounding the egg, hardening it into a protective barrier. This process helps prevent polyspermy and protects fertilized eggs from damage.
Researchers analyzed three of Iris Murdoch's works, including her final novel, to study the effects of Alzheimer's on language. The findings suggest a decline in vocabulary and simplified language in her final novel, consistent with early stages of the disease.
The International Census of Marine Microbes project aims to understand the diversity and distribution of single-celled organisms in the world's oceans. The project will collect data on microbial diversity, evolutionary processes, and ecological relationships, with a focus on marine microorganisms that account for 90% of ocean biomass.
Fossil discovery reveals ancient sea spiders are related to land spiders and scorpions, with the new species Haliestes dasos dating back 35 million years. The preserved specimens provide valuable insights into their unique body form and behavior.
The dead zone in the Gulf of Mexico has broken up, with hypoxia moving further offshore and marine life returning to previously low-oxygen areas. Strong coastal currents and eddies are thought to be key factors in this change.
A new portable field laboratory will enable researchers to sample subsurface life from diverse marine environments, including estuaries and deeply buried sediments. The facility will aid in the training of young scientists and enhance existing research on extremophilic communities.
Sea urchin research sheds light on fertilization among mammals, revealing a key role for carbohydrate molecules in regulating reproduction. The discovery could lead to new approaches to contraception and a better understanding of human reproductive issues.
A new hypoxic event has been detected off the Oregon coast, causing a massive die-off of fish and invertebrate marine species. Dissolved oxygen levels are significantly lower than those seen in the past 40 years, suggesting a major change in ocean circulation patterns.
Researchers from Oregon State University and Lawrence Livermore National Laboratory found red sea urchins can live for over 200 years, defying previous seven-15 year lifespan estimates. The study used two techniques to determine ages, producing consistent results that show no signs of senescence until death.
Researchers have identified a receptor on sea urchin eggs that regulates the species-specific adhesion of sperm, preventing cross-fertilization between different species. The discovery provides insights into the molecular mechanisms of gamete interactions and could shed light on how new species evolved.
A study revealed 253 Caribbean marine species are endemic, with many having tiny ranges making them susceptible to extinction. Destructive fishing practices and development threaten these micro-endemic species.
The Defying Ocean's End conference aims to reverse the ocean's decline through a science-based international effort. The plan includes promoting a World Ocean Public Trust, expanding global marine parks, assessing conservation priorities, creating an ocean ethic, and implementing bold action steps.
Researchers found that channeled whelks, a species of marine snail, have distinct feeding behaviors along the Pacific coast. Genetic analysis revealed that these differences are likely due to genetic isolation and regional variations in prey availability.
Researchers Scott Curtis and Bob Adler found a significant pattern of alternating rainfall for El Niño since 1979. This discovery may help scientists improve rainfall forecasts around the globe during an El Niño event.
The URI Office of Marine Programs has been awarded a Sloan Grant to support the Census of Marine Life, a global research effort to study marine biodiversity. The program will create an international education platform, provide networking resources for scientists and communicate the importance of ocean conservation.
Researchers are studying Europa's icy shell to understand its composition and potential for supporting life. A computer model suggests organisms could thrive beneath the thick cap of ice, while another analysis reveals cracks and ridges formed by Jupiter's tides.
Researchers at Oregon State University found extremely low oxygen levels in the lower water column, leading to mass die-offs of rockfish, Dungeness crabs, sculpins, and other marine life. The unusual event is attributed to coastal upwelling and wind patterns, not human activities.
A team of scientists from the University of Maine discovered a slow-growing sea urchin variety that never reaches legal size for harvesting in Maine's coastal waters. This finding suggests that harvesting legal-sized urchins could cause a shift in the population towards non-harvestable stocks.
Researchers suggest deploying vibration-sensitive acoustic sensors on Europa's surface to probe the interior structure and search for signs of life. Massive ice fractures generate unusual cracking sounds that could penetrate the thick ice layer and propagate through the underlying ocean.
A 21-year global record of precipitation suggests a decrease in rainfall over the Indian Ocean may signal an approaching strong El Niño. This finding could provide nations most affected by El Niños with earlier warning systems to better prepare for devastating climate changes.
Researchers have discovered a 4.4-billion-year-old zircon crystal that suggests the early Earth had a low-temperature environment with water and conditions suitable for life. The findings contradict conventional wisdom, which predicted a magma ocean, and may indicate the Earth cooled faster than thought.
Joseph L. Reid, a renowned physical oceanographer, is being honored with the Maurice Ewing Medal for his significant contributions to understanding ocean circulation and currents in the Pacific, Atlantic, and Indian oceans. His work has also focused on current exchanges between major oceans.
The Geological Society of America is hosting press briefings during its annual meeting in November 2000. The events will feature presentations from experts on topics such as landslides and slope-stability problems related to gas hydrates, the Walker Lane transform plate boundary, and planetary science research. The meetings are open to...
A small earthquake off Washington's coast caused hydrothermal vent systems miles away to pump out warmer water in an unexpected pulsing pattern. This has led scientists to re-evaluate their understanding of fluid flow within oceanic crust, which had previously been assumed to be stable and relatively unchanging.
The Spotted Jellyfish, native to Australian coastal waters, have invaded the northern Gulf of Mexico causing concern over their potential threat to the region's ecosystems and commercial fisheries. The jellies' feeding habits and survival capabilities in the Gulf waters are being investigated by researchers.
A University of Iowa researcher and his colleague confirm the validity of scientific theories on ancient marine life by testing library-based databases. They found that up to 70% of entries are inaccurate but randomly distributed, not introducing bias into patterns.
Researchers from the University of Toronto and Texas A&M University suggest that a belt of open water near the equator may have supported life during the Snowball Earth era. This region could have provided refuge for early multi-celled animals, enabling them to survive and thrive in the face of extreme climate conditions.
Researchers from Johns Hopkins University and George Washington University found 40 cases of tumors in sharks and related fishes, including chondromas. The study casts doubt on the effectiveness of shark cartilage as a cancer cure, highlighting potential risks to patients and marine ecosystems.
Researchers discovered that sea slugs, despite their simple brain structure, make decisions based on a sliding scale of pleasure and pain. Hungry snails are quicker to strike at tempting food sources, while satiated ones avoid danger, reflecting the need for a meal to overcome prey defenses.
A new study reveals that over 600 areas in the Gulf of Mexico experience natural oil seeps, releasing twice an Exxon Valdez spill worth of oil annually. The oil breaks down into carbon dioxide and is harmless to marine animals, with surface tension spreading it thinly across the ocean surface.
Scientists have documented reversible bone shrinkage in Galapagos iguanas during El Niño years. The reptiles adapt by shrinking to reach an optimal body size for survival, with significant increases in survival rate and efficiency. Researchers now seek the underlying mechanisms behind this remarkable adaptation.
University of Delaware scientists, including Craig Cary, embark on the first deep-sea dive of the new century to explore extreme organisms and understand life's origins. They will collect samples of toxic chemicals, organisms, rocks, and minerals using special instruments like deep-sea sensors.
Researchers use data from the Mars Orbiter Laser Altimeter to test hypotheses of oceans on Mars, finding four types of quantitative evidence supporting an ancient ocean. The discovery has implications for understanding long-term climate change and its relevance to Earth's future.
National Chemistry Week highlights the importance of polymers as natural insulators, found in products like umbrellas, sunglasses, and jackets. The week also explores fascinating chemistry facts about the weather, such as the transformation of nitrogen into a more user-friendly form by lightning.
Researchers confirm hazard posed by intraslab earthquakes in Pacific Northwest, which can cause significant damage and loss of life. A magnitude 7-7.5 intraslab earthquake could strike the region, posing a greater risk than larger offshore earthquakes.
The study found elevated levels of DDE and mercury in bald eagle eggs on Kiska Island, but not on other islands. Seabirds are thought to be the major source of contamination due to their diet rich in fish from contaminated water.
Researchers have reclassified animals into three primary evolutionary lines based on new molecular evidence, including a study of the Hox gene family. The findings support earlier genetic investigations and provide insight into animal development and evolution, with implications for our understanding of life's origins.
A new study reveals a common genetic theme in three distinct animal species, supporting a simplified three-limbed tree of life for nearly all animals. The findings provide powerful evidence to place mollusks to humans on the same evolutionary tree.