News tagged with marine organism
Nano form of titanium dioxide can be toxic to marine organisms
The Bren School-based authors of a study published Jan. 20 in the journal PLoS ONE have observed toxicity to marine organisms resulting from exposure to a nanoparticle that had not previously been shown to be toxic under ...
Nanotechnology / Bio & Medicine
Jan 24, 2012 |
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Broadcast study of ocean acidification to date helps scientists evaluate effects on marine life
Might a penguin's next meal be affected by the exhaust from your tailpipe? The answer may be yes, when you add your exhaust fumes to the total amount of carbon dioxide lofted into the atmosphere by humans ...
Jan 23, 2012 |
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Unprecedented, man-made trends in ocean's acidity
Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming ...
Jan 22, 2012 |
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'Lost world' discovered around Antarctic vents
Communities of species previously unknown to science have been discovered on the seafloor near Antarctica, clustered in the hot, dark environment surrounding hydrothermal vents.
Jan 03, 2012 |
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Electricity sparks new life into Indonesia's corals
Cyanide fishing and rising water temperatures had decimated corals off Bali until a diver inspired by a German scientist's pioneering work on organic architecture helped develop a project now replicated worldwide.
Dec 26, 2011 |
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Sea cucumbers: Dissolving coral reefs?
Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's ...
Space & Earth / Earth Sciences
Dec 22, 2011 |
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Catching a coral killer
Coral reefs play an important role in marine ecosystems, so it's concerning to scientists, as well as ocean conservationists, that many coral reefs around the world are in distress or dying off.
Dec 20, 2011 |
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Human activity pulling the plug on a vital carbon sink
(PhysOrg.com) -- Under better conditions coastal ecosystems might be the ace in the hole to mitigate climate change, but human activity is significantly weakening their ability to naturally dampen the impacts of rising CO2 ...
Nov 16, 2011 |
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CO2 bonds in sea ice: Small living creatures with major impact
Due to the presence of salts, the freezing point of sea water is below zero. During freezing, channels in which the salt accumulates, so-called "brine channels," are formed in the ice. They serve as a habitat ...
Space & Earth / Earth Sciences
Nov 11, 2011 |
4.8 / 5 (4) |
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Survey identifies sea turtle 'hitchhikers'
A recent survey documented the crustaceans, mollusks, algae and other marine organisms that make a home on the bodies Olive Ridley and green sea turtles living in the Pacific.
Nov 08, 2011 |
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Hey, bacteria, get off of my boat!
Submerge it and they will come. Opportunistic seaweed, barnacles, and bacterial films can quickly befoul almost any underwater surface, but researchers are now using advances in nanotechnology and materials science to design ...
Nanotechnology / Nanomaterials
Oct 31, 2011 |
5 / 5 (1) |
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An online global map of coral and zooxanthellae data for climate change study is released
A team of researchers from the Hawai'i Institute of Marine Biology (HIMB) have developed an interactive global map of corals and zooxanthellae as part of a hybrid web application titled GeoSymbio. This application provides global-scale biological and ...
Oct 26, 2011 |
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Researchers identify mysterious life forms in the extreme deep sea (w/ video)
(PhysOrg.com) -- A summer research expedition organized by scientists at Scripps Institution of Oceanography at UC San Diego has led to the identification of gigantic amoebas at one of the deepest locations ...
Space & Earth / Earth Sciences
Oct 23, 2011 |
4.7 / 5 (23) |
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Hitchhiking snails fly from ocean to ocean
Smithsonian scientists and colleagues report that snails successfully crossed Central America, long considered an impenetrable barrier to marine organisms, twice in the past million years -- both times probably ...
Sep 14, 2011 |
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Climate in the past million years determined greatly by dust in the Southern Ocean
A group of scientists led by researchers from the Universitat Autonoma de Barcelona (UAB) and the Swiss Federal Institute of Technology (ETH Zurich) has quantified dust and iron fluxes deposited in the Antarctic Ocean during ...
Space & Earth / Earth Sciences
Sep 01, 2011 |
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