News tagged with marine organisms

Related topics: ocean acidification , coral reefs , calcium carbonate

Mystery Solved: Marine Microbe Is Source of Rare Nutrient

(PhysOrg.com) -- A new study of microscopic marine microbes, called phytoplankton, by researchers at Woods Hole Oceanographic Institution (WHOI) and the University of South Carolina has solved a ten-year-old ...

Space & Earth / Earth Sciences

created Sep 29, 2009 | popularity 4.8 / 5 (23) | 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

New finding may hold key to Gaia hypothesis of Earth as living organism

(Phys.org) -- Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery made at the University of Maryland may provide a key to answering this question. This key of sulfur ...

Space & Earth / Earth Sciences

created May 15, 2012 | popularity 3.3 / 5 (32) | comments 164 | 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

Acid test: Study reveals both losers and winners of CO2-induced ocean acidification

(PhysOrg.com) -- As the world’s seawater becomes more acidic due to rising atmospheric carbon dioxide, some shelled marine creatures may actually become bigger and stronger, according to a new study.

Space & Earth / Earth Sciences

created Dec 01, 2009 | popularity 4.3 / 5 (13) | comments 8

'Evil twin' threatens world oceans, scientists warn

(PhysOrg.com) -- The rise in human emissions of carbon dioxide is driving fundamental and dangerous changes in the chemistry and ecosystems of the world’s oceans, international marine scientists warned today.

Space & Earth / Environment

created Mar 29, 2010 | popularity 3.3 / 5 (17) | comments 8

Glacier melt adds ancient edibles to marine buffet

Glaciers along the Gulf of Alaska are enriching stream and near shore marine ecosystems from a surprising source - ancient carbon contained in glacial runoff, researchers from four universities and the U.S. ...

Space & Earth / Earth Sciences

created Dec 23, 2009 | popularity 4.2 / 5 (13) | comments 11

Squid shown to be able to hear

(PhysOrg.com) -- Scientists in the US have solved the mystery about whether squid can hear and if so, how.

Biology / Plants & Animals

created Feb 08, 2011 | popularity 4.9 / 5 (11) | comments 15 | with audio podcast report

'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

Oceans reveal further impacts of climate change, says UAB expert

The increasing acidity of the world's oceans - and that acidity's growing threat to marine species - are definitive proof that the atmospheric carbon dioxide that is causing climate change is also negatively ...

Space & Earth / Environment

created Feb 04, 2010 | popularity 3.6 / 5 (12) | comments 12

Why mercury is more dangerous in oceans

Even though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious health threat to humans ...

Space & Earth / Earth Sciences

created Jun 27, 2010 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Ammonites' last meal: New light on past marine food chains

Scientists have discovered direct evidence of the diet of one of the most important group of ammonites, distant relatives of squids, octopuses and cuttlefishes. The discovery may bring a new insight on why ...

Other Sciences / Archaeology & Fossils

created Jan 06, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Climate variability impacts the deep sea

Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences.

Space & Earth / Earth Sciences

created Nov 02, 2009 | popularity 4.1 / 5 (7) | comments 0

CO2 emissions causing ocean acidification to progress at unprecedented rate

The changing chemistry of the world's oceans is a growing global problem, says the summary of a congressionally requested study by the National Research Council, which adds that unless man-made carbon dioxide (CO2) emissions ...

Space & Earth / Environment

created Apr 22, 2010 | popularity 2.7 / 5 (10) | comments 1

Scientists invent first technique for producing promising anti-leukemia agent

Kapakahines, marine-derived natural products isolated from a South Pacific sponge in trace quantities, have shown anti-leukemia potential, but studies have been all but stalled by kapakahines' lack of availability.

Chemistry / Biochemistry

created Apr 17, 2009 | popularity 5 / 5 (5) | comments 1