World's oceans get an acid bath
Among the repercussions of global climate change, the effect of ocean acidification on marine life is one of the least-understood variables.
Environment
Feb 22, 2012
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Page 11 - News tagged with urchin
Plant remains link farming to landscape damage in Peru
A study of food remains from ancient settlement sites along the lower Ica valley in Peru, confirms earlier suggestions that farming undermined the natural vegetation so badly that eventually much of the area had to be abandoned.
Earth Sciences
Aug 15, 2011
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Researchers reveal remarkable fossil
Researchers from China, Leicester and Oxford have discovered a remarkable fossil which sheds new light on an important group of primitive sea creatures.
Archaeology
Mar 24, 2011
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Ever-sharp urchin teeth may yield tools that never need honing
(PhysOrg.com) -- To survive in a tumultuous environment, sea urchins literally eat through stone, using their teeth to carve out nooks where the spiny creatures hide from predators and protect themselves from the crashing ...
Condensed Matter
Dec 22, 2010
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Calcium carbonate and climate change
(PhysOrg.com) -- What links sea urchins, limestone and climate change? The common thread is calcium carbonate, one of the most widespread minerals on Earth. UC Davis researchers have now measured the energy changes among ...
Earth Sciences
Aug 30, 2010
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Marine Pied Piper leads Nemo astray
The growing amount of human noise pollution in the ocean could lead fish away from good habitat and off to their death, according to new research from a UK-led team working on the Great Barrier Reef.
Ecology
Aug 3, 2010
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Hawaiian submarine canyons are hotspots of biodiversity and biomass for seafloor animal communities
Underwater canyons have long been considered important habitats for marine life, but until recently, only canyons on continental margins had been intensively studied. Researchers from Hawaii Pacific University (HPU) and the ...
Ecology
Apr 7, 2010
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Urged on by urchins: How sea lilies got their get-up-and-go
Nature abounds with examples of evolutionary arms races. Certain marine snails, for example, evolved thick shells and spines to avoid be eaten, but crabs and fish foiled the snails by developing shell-crushing claws and jaws.
Evolution
Mar 15, 2010
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Echinoderms contribute to global carbon sink
The impact on levels of carbon dioxide in the Earth's atmosphere by the decaying remains of a group of marine creatures that includes starfish and sea urchin has been significantly underestimated.
Environment
Jan 8, 2010
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Dental delight! Tooth of sea urchin shows formation of biominerals
(PhysOrg.com) -- Some of the most common minerals in biology, including those in bones and shells, have a mysterious structure: Their crystals are positioned in the same orientation, making them behave as one giant crystal, ...
Materials Science
Dec 21, 2009
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