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

created Jan 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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 ...

Space & Earth / Environment

created Jan 23, 2012 | popularity 5 / 5 (4) | comments 24 | with audio podcast

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 ...

Space & Earth / Environment

created Jan 22, 2012 | popularity 4 / 5 (20) | comments 29 | with audio podcast

'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.

Biology / Plants & Animals

created Jan 03, 2012 | popularity 5 / 5 (9) | comments 1 | with audio podcast

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.

Space & Earth / Environment

created Dec 26, 2011 | popularity 5 / 5 (3) | comments 3

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

created Dec 22, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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.

Space & Earth / Environment

created Dec 20, 2011 | popularity 5 / 5 (1) | comments 0

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 ...

Space & Earth / Environment

created Nov 16, 2011 | popularity 5 / 5 (3) | comments 7

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

created Nov 11, 2011 | popularity 4.8 / 5 (4) | comments 4

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.

Biology / Ecology

created Nov 08, 2011 | popularity not rated yet | comments 0

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

created Oct 31, 2011 | popularity 5 / 5 (1) | comments 0

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 ...

Space & Earth / Environment

created Oct 26, 2011 | popularity 5 / 5 (1) | comments 0

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

created Oct 23, 2011 | popularity 4.7 / 5 (23) | comments 10 | with audio podcast

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 ...

Biology / Plants & Animals

created Sep 14, 2011 | popularity 4.3 / 5 (3) | comments 3 | with audio podcast

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

created Sep 01, 2011 | popularity 3.8 / 5 (5) | comments 2