Hitching a ride on fatty molecules, a "sticky" strategy shields sugary molecules from their soluble nature, and may explain the discrepancies between models and actual measurements of sea spray aerosol composition.
Many lower organisms retain the miraculous ability to regenerate form and function of almost any tissue after injury. Humans share many of our genes with these organisms, but our capacity for regeneration is limited. Scientists at the MDI Biological Laboratory in Bar Harbor, Maine, are studying the genetics of these organisms to find out how regenerative mechanisms might be activated in humans.
The amount of sea level rise in the Pacific Ocean can be used to estimate future global surface temperatures, according to a new report led by University of Arizona geoscientists.
Denver native says dragonfish have highly evolved system for detecting water flows
MIAMI—An international team that includes University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science researchers found behavioral evidence that tiger sharks prefer to opportunistically scavenge on dead or weakened green turtles rather than actively hunting healthy individuals despite more opportunities to do so. The study, conducted off the coast of Australia during the turtle nesting season, also found the behavior of healthy green turtles suggests that they do not perceive tiger sharks as a major threat during nesting season.
As coastal ecosystems feel the heat of climate change worldwide, new research shows the humble mussel and marsh grass form an intimate interaction known as mutualism that benefits both partner species and may be critical to helping these ecosystems bounce back from extreme climatic events such as drought.
A deep-water marine sponge collected off of Fort Lauderdale’s coast contains leiodermatolide, a natural product that has the ability to inhibit the growth of cancer cells as well as block cancer cells from dividing using extremely low concentrations of the compound.
The cells that make fin rays in fish play a central role in forming the fingers and toes of four-legged creatures, one of the great transformations required for the descendants of fish to become creatures that walk on land.
Large, carnivorous fish excrete almost half of the key nutrients, phosphorus and nitrogen, that are essential for the survival of coral reefs.
University of Washington biologist Peter Ward's body of research has helped policymakers recognize the impact nautiluses have on ocean ecosystems, as well as how they can — and cannot — replenish their numbers in the face of unrestricted, unregulated fishing. At a CITES meeting in September, Ward and his team hope nautiluses will get much-needed protections from trade and harvesting.
Lobster season has started in Florida
Cell division is a fundamental process of life, producing two cells from one single cell at each cell division. During animal development, a fertilized egg divides many times, increasing the number of cells, which are precisely organized within the animal's body. How many times a cell undergoes cell division and how the two daughter cells are positioned after the division can be critical for shaping the animal. Although the machinery essential for cell division is well characterized and evolutionarily conserved, it remains unknown in most animals how a cell division can become oriented relative to the animal's body axis. The work by Negishi et al., published recently in the electronic journal eLife, has revealed that in the sea squirt (Ciona intestinalis) embryo, the orientation of the cell division machinery in epithelial cells is controlled by a unique cell membrane structure, which we call an "invagination".
Dublin, Ireland, Thursday 11th August, 2016 - Scientists have discovered macabre fossil evidence suggesting that 300 million-year-old sharks ate their own young, as fossil poop of adult Orthacanthus sharks contained the tiny teeth of juveniles. These fearsome marine predators used protected coastal lagoons to rear their babies, but it seems they also resorted to cannibalising them when other food sources became scarce.
Nitrogen-rich agricultural runoff into the Chesapeake Bay presents an ongoing environmental and economic concern for the bay's massive watershed. Pollution from fertilizer application feeds algal blooms that poison humans and marine life, and devastate fisheries.
A research team, led by Emeritus Professor Kazuhiro Nakaya of Japan's Hokkaido University, analyzed world-first footage captured by public broadcaster NHK in which two goblin sharks separately captured prey on a total of five occasions. The research has unraveled a century-old mystery surrounding how the deep-sea shark utilizes its protruding jaws, among other factors, to feed itself.
The Gulf of Maine coastline, historically home to one of the richest shellfish populations in the U.S., is undergoing a dramatic change, with once-flourishing wild blue mussels all but disappearing, according to a study led by University of California, Irvine ecologists.
Florida State University’s Center for Advanced Power Systems has been awarded a five-year $35 million grant by the U.S. Navy’s Office of Naval Research to bring together researchers to spur innovation and advance the Navy’s efforts to build an all-electric ship.
A new virus has been identified in association with a die-off of largemouth bass in Pine Lake in Wisconsin’s Forest County. The previously unknown virus was isolated at the U.S. Fish and Wildlife Service’s La Crosse Fish Health Center from dead fish collected by the Wisconsin Department of Natural Resources (DNR) during an investigation into a May 2015 fish kill in the northeastern Wisconsin lake.
Marine fisheries catches have been drastically under-reported in the Turks and Caicos Islands in the Caribbean, threatening the marine environment and livelihoods of the local community, reveals a recent study published in the open-access journal Frontiers in Marine Science.
Climate change is threatening to expose hazardous waste at an abandoned camp thought to be buried forever in the Greenland Ice Sheet, new research out of York University has found.
Researchers have uncovered previously hidden sources of ocean pollution along more than 20 percent of America’s coastlines. The study, published online Aug. 4 in the journal Science, offers the first-ever map of underground drainage systems that connect fresh groundwater and seawater, and also pinpoints sites where drinking water is most vulnerable to saltwater intrusion now and in the future.
A detailed study of a nearly-complete fossil skull reveals much about the evolution of high-frequency hearing, which plays a key role in echolocation. Researchers at NYIT conclude high-frequency hearing evolved about 27-million years ago, about the same time as echolocation, although some features evolved even earlier.
Climate change has focused attention on burgeoning oxygen minimum zones. Newly discovered SAR11 bacteria deplete nitrogen, an essential life nutrient, with implications for greenhouse gas and nutrient cycles.
Mantis shrimp, often brightly colored and fiercely aggressive sea creatures with outsized strength, use both the ultraviolet reflectance of their color spots and chemical cues when fighting over resources, according to research led by a Tufts University doctoral candidate.
In a study published in Scientific Reports, scientists discovered impressive abundance and diversity among the creatures living on the seafloor in the Clarion-Clipperton Zone (CCZ)--an area in the equatorial Pacific Ocean being targeted for deep-sea mining. The study, lead authored by Diva Amon, a post-doctoral researcher at the University of Hawai'i at Mānoa School of Ocean and Earth Science and Technology (SOEST), found that more than half of the species they collected were new to science, reiterating how little is known about life on the seafloor in this region.
A new study by an international team of scientists reveals the exact timing of the onset of the modern monsoon pattern in the Maldives 12.9 million years ago, and its connection to past climate changes and coral reefs in the region. The analysis of sediment cores provides direct physical evidence of the environmental conditions that sparked the monsoon conditions that exist today around the low-lying island nation and the Indian subcontinent.
Coastal Risk Consulting, a new start-up company formed by an FAU professor, has developed novel technology to assist coastal homeowners, businesses, and government to evaluate and mitigate risks from encroaching seas along Florida’s southeast coast as well as other vulnerable areas in the United States and overseas.
In recent decades, the plight of Atlantic cod off the coast of New England has been front-page news. Since the 1980s in particular, the once-seemingly inexhaustible stocks of Gadus morhua -- one of the most important fisheries in North America -- have declined dramatically.
A new citizen science project uses satellite images to get first-ever, comprehensive count of Weddell seals in Antarctica. Counting seals will help scientists better protect and conserve the pristine Ross Sea and wildlife in the area.
NSU research scientist collaborated with colleague to study the male sexual organ of barnacles, which it turns out is a marine creature that has been studied dating all the way back to Charles Darwin.
Japanese tadpoles can live and grow in natural hots springs, or onsen, with water temperatures as high as 46.1oC (115oF). Living in onsen may benefit the tadpoles' immune systems, speed their growth, and allow the tadpoles to survive on small volcanic islands where there are few other natural sources of fresh water.
Polar oceans pump organic carbon down to the deep sea about five times as efficiently as subtropical waters, because they can support larger, heavier organisms. The finding helps explain how the oceans may function under climate change.
Time to smash the beaker when thinking about oxygen concentrations in water, at the time when animal life first evolved. Oceans stacked O2 here and depleted it there, as this novel model demonstrates. It may well toss a wrench into the way we have dated the evolution of the earliest animals.
A very unusual new species of zoantharian surprised Drs Takuma Fujii and James Davis Reimer, affiliated with Kagoshima University and University of the Ryukyus.
Discovered by scientists using the manned submersible Curasub in the deep-reef waters of the Caribbean island of Curaçao, a new scorpionfish species is the latest one captured with the help of the sub's two robotic arms.
Dublin, Ireland, Tuesday July 19, 2016 - An international consensus demands human impacts on the environment "sustain", "maintain", "conserve", "protect", "safeguard", and "secure" it, keeping it within "safe ecological limits". But, a new Trinity College Dublin-led study that assembled an international team of environmental scientists shows that policy makers have little idea what these terms mean or how to connect them to a wealth of ecological data and ideas.
A University of Washington team has shed new light on a common but poorly understood bacteria known to live in low-oxygen areas in the ocean. By culturing and sequencing the microbe's entire genome, the oceanographers found that it significantly contributes to the removal of life-supporting nitrogen from the water in new and surprising ways.
A study of nearly 22,000 fossils finds that ancient plankton communities began changing in important ways as much as 400,000 years before massive die-offs ensued during one of Earth’s great mass extinctions. This turmoil, in a time of ancient climate change, could hold lessons for the modern world.
Researchers at Case Western Reserve University have combined tissues from a sea slug with flexible 3-D printed components to build “biohybrid” robots that manage different tasks than animals or purely manmade robots could.
Erosion, human activities challenge beach ecosystems
An international research team has calculated the costs and benefits of calcification for phytoplankton and the impact of climate change on their important role in the world’s oceans.
The largest island in the Philippines may be home to the greatest concentration of mammal diversity in the world, according to a research team that has been exploring the island for the past 15 years.
You'll never look at a drop of water the same way. By measuring a water droplet with a resolution comparable with the scale of a single atom, scientists have determined that the droplet interface behaves like a miniature stormy sea even when it appears to be at rest.
Imagine rolling your eyes to help you see more clearly. Although it wouldn't work for humans, new research published today in Nature Communications has shown mantis shrimp use eye rotations to enhance their polarization vision.
Europe will be spared the worst economic impacts of climate change by a slowing down of the Gulf Stream, new research predicts.
On Monday, July 18, members of the Combat Wounded Veteran Challenge and SCUBAnauts International will join forces with scientists from Mote Marine Laboratory to plant nursery-grown corals near Looe Key in the Florida Keys.
For the first time in New Zealand waters an extremely rare grouping of Shepherd's Beaked Whales has been spotted from a University of Otago research vessel off the coast of the city of Dunedin in the South Island.
Members of the Inter-American Tropical Tuna Commission (IATTC) must do more to follow through on critical commitments to protect tuna and shark populations in the eastern Pacific Ocean. The IATTC, the world’s oldest regional fishery management organization (RFMO) for tuna, meets June 27 to July 1 in La Jolla, California.
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