News tagged with marine organisms

Related topics: ocean acidification , coral reefs , calcium carbonate

Scientists discover animal-like urea cycle in tiny diatoms in the ocean

Scientists have discovered that marine diatoms, tiny phytoplankton abundant in the sea, have an animal-like urea cycle, and that this cycle enables the diatoms to efficiently use carbon and nitrogen from their ...

Biology / Cell & Microbiology

created May 11, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Genome of marine organism reveals hidden secrets

An international team of researchers led by scientists at Scripps Institution of Oceanography at UC San Diego has deciphered the genome of a tropical marine organism known to produce substances potentially ...

Biology / Biotechnology

created May 09, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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

Regulating Earth's climate with micro-organisms

Scientists have sought to learn more about how the Earth's oceans absorb carbon dioxide and generally exchange gases with the atmosphere so they can better understand the corresponding effects on climate. ...

Biology / Cell & Microbiology

created Nov 02, 2010 | popularity 4.2 / 5 (6) | comments 0 | with audio podcast

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

Deep sea corals may be oldest living marine organism

(PhysOrg.com) -- Deep-sea corals from about 400 meters off the coast of the Hawaiian Islands are much older than once believed and some may be the oldest living marine organisms known to man.

Biology / Plants & Animals

created Mar 23, 2009 | popularity 4.3 / 5 (3) | comments 0

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

Toxic menu: Marine worm feeds on carbon monoxide and hydrogen sulphide with the help of symbiotic bacteria

In a study published in the journal Proceedings of the National Academy of Sciences, scientists from the Max Planck Institute for Marine Microbiology in Bremen and Greifswald University, together with collea ...

Biology / Plants & Animals

created Apr 17, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Team releases findings from 2011 cruise to measure the concentration, distribution, and impacts of Fukushima radiation

(PhysOrg.com) -- An international research team is reporting the results of a research cruise they organized to study the amount, spread, and impacts of radiation released into the ocean from the tsunami-crippled ...

Space & Earth / Environment

created Apr 02, 2012 | popularity 4 / 5 (4) | comments 0 | with audio podcast

Explosive evolution need not follow mass extinctions, says study of ancient zooplankton

Following one of Earth's five greatest mass extinctions, tiny marine organisms called graptoloids did not begin to rapidly develop new physical traits until about 2 million years after competing species became ...

Biology / Evolution

created Feb 13, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

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

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