Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
... ratios in the shells of tiny North Atlantic Ocean marine fossils may finally provide scientists with an una...stitutions described how the fossilized remains of marine crustaceans called ostracods seem to provide more reliable measurements of ancient water temperature...Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...e independent biologists, who are hired to monitor marine mammal behavior before and during the ATOC experi...C speaker, also found no sign of disturbance among marine mammals, including elephant seals and several whale species. Full operation of the controversial...Ocean Sediments Contain Record of Past Vegetation Fires in Africa
.... National Science Foundation (NSF)-funded marine geologists David Verardo and William Ruddiman of t...eir research on ocean sediments the first detailed marine record of late Pleistocene era fires on land. Their paper, "Late Pleistocene charcoal in tropical A...Green Glow: Not Only For Halloween
...der wrote of a "slime" that could be obtained from marine creatures and used to make objects glow green. Now, molecular and cellular biologists have turned this marvel into a powerful research tool used to illuminate the workings of genes and follow the wanderings of protein molecules inside a living cell....An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
...ass extinction was global in itsextent and hit all marine areas with roughly the same effect. Traditionally,...sts believed that tropical areas andhigh-diversity marine environments such as reefs were hit hardestduring mass extinction events. Cooler areas of the globe ......he invasion into U. S. coastal waters of a type of marine microorganism. In a talk to be given on Thursday, ...ammina hadai. Foraminifera or forams, microscopic marine creatures with shells of calcium carbonate, are best known from their abundant fossils, which are fo...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...t in by the ozone hole reduces the productivity of marine phytoplankton, but how does UV-B affect Antarctica's terrestrial plants? How are such plants reacting to the 50-year warming trend around the Antarctic Peninsula? Thomas Day of the University of Arizona and his team will study the impact of UV-B an...Sea Turtles Have Favorite Oceanic Routes
...the long-distance migration patterns of vertebrate marine life. Scientists have learned that the turtles prefer specific ocean routes as if traveling an aquatic interstate highway. "They're all going along the same corridors," said Stephen J. Morreale, Cornell University doctoral candidate in zoology, who ...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...(from nearbyconstruction or logging) feed the tiny marine plants known more commonlyas algae. Algae thrive on these pollutants. The quantity of algae directly determineswater clarity. In a process called eutrophication, algae can deplete oxygen,killing fish, and severe algae blooms can water to smell and t...A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...0 miles away in central Australia. The tsunami (or marine pressure wave) generated was a wall of water seven stories high that destroyed more than 160 towns and villages. The airwaves from the blast made four journeys around the globe, and a great belt of ash encircled the Earth. Two-thirds, or about 25...Cell-Membrane Proteins Appear To Play Key Role In Squid's Swiftness
...quids was reportedin 1992 by William F. Gilly , a marine neurobiologist at Stanford. In the 1970s, other researchersnoted that sodium-channel activity seemed unusually slow in some snails.In 1993, Gilly's group cloned a squid gene, suspecting it was a fast-typesquid sodium channel; its structure was simila...Scientists Trace Roots Of Protein That Keeps Antarctic Fish From Freezing
... be quite devoid of fishes, and the food chain and marine ecosystemwould be very different." Joining DeVries and Cheng in the research, which was funded by the NationalScience Foundation, was Liangbiao Chen, who has since earned his doctoratefrom the U. of I. and is now a postdoctoral researcher at the Nat......or newly hatched penguins, the result of dwindling marine food reserves. To feed their families, adult birds...zil. The UW researcher calls for the creation of marine management zones in which commercial fishing and oil transportation are regulated. Although some ne...Subtle Biotic Changes Have Big Environmental Impact
...d industrial fishing is causing massive changes in marine food webs. So the global experiment is underway,...hough the consequences ... are much less known for marine systems than for lakes, we should expect that the ecological responses to exploitation are similar ...Lethal Parasite Prime Suspect In Fish Kills At Salton Sea
...igh levels of a lethal parasite of warm-water marine fish. The parasite, a dinoflagellate know...ties in fish-farming facilities and public or home marine aquaria. Under closed conditions, such as aquaria and apparently also in the Salton Sea, ...Fossils Show British Columbia Was Once 2,000 Miles South
...med byheating. The evidence comes from the shelled marine animals, called ammonites,which Ward's team recove...British Columbiarocks show no evidence of tropical marine life, typical of Baja California. Hepoints out that the rocks were formed in the Cretaceous era when...Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains
...et amazingly stretchy collagen threads produced by marine mussels might someday suggest strategies for devel...d to the sea," says J. Herbert Waite, professor of marine biochemistry in UD's College of Marine Studies. Byssal threads feature "a stiff tether" at one end a...Geologist Finds Hidden Patterns Of Diversification In Ordovician Radiation
...lentifulsupply of new substrates and nutrients for marine organisms."That may have turned on the spigot for diversification in a bigway," said Miller. However, Miller's analysis does not support a competing theoryfor diversification in the Ordovician either. That theory used"ecological evolutionary units" t...New Mathematical Model Could Help Predict Health Of Offshore Areas Where Rivers Enter The Sea
... work inan ecosystem," said Dr. Changsheng Chen, a marine scientist from the Universityof Georgia."In the past, we had scientists studying the physical effects and others lookingat the biologicaleffects, but they weren't talking to each other. We must understand how the twosystems worktogether." A new......re ecosystem, which includes ducks, invertebrates, marine mammals, terrestrial mammals and sediments. Instit...I'd like to apply what we learn in Alaska to other marine ecosystems that may become contaminated with pollutants, such as busy harbors and channels. It would...