News tagged with sea urchins

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 ...

Physics / Condensed Matter

created Dec 22, 2010 | popularity 4.5 / 5 (17) | comments 8 | with audio podcast

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 ...

Space & Earth / Earth Sciences

created Aug 30, 2010 | popularity 3.8 / 5 (9) | comments 3 | with audio podcast

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.

Biology / Ecology

created Aug 03, 2010 | popularity 4 / 5 (3) | comments 1 | with audio podcast

Research another step towards orthopaedic implants made from shell

(PhysOrg.com) -- Victoria University PhD research could ultimately result in the creation of orthopaedic implants made of material that is eventually replaced by bone.

Chemistry / Materials Science

created Jun 10, 2010 | popularity 5 / 5 (1) | comments 0

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 ...

Biology / Ecology

created Apr 07, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Sea creatures' sex protein provides new insight into diabetes

A genetic accident in the sea more than 500 million years ago has provided new insight into diabetes, according to research from Queen Mary, University of London.

Medicine & Health / Genetics

created Mar 22, 2010 | popularity not rated yet | comments 0 | with audio podcast

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.

Biology / Evolution

created Mar 15, 2010 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Marine reserves mend food chains, link by link

(PhysOrg.com) -- Conservation managers need to take a long-term view when assessing the value of marine protected areas, according to a paper in today’s Proceedings of the National Academy of Sciences of the ...

Space & Earth / Environment

created Feb 23, 2010 | popularity 4.3 / 5 (3) | comments 0

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.

Space & Earth / Environment

created Jan 08, 2010 | popularity 4.4 / 5 (8) | comments 7 | with audio podcast

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 ...

Chemistry / Materials Science

created Dec 21, 2009 | popularity 5 / 5 (4) | comments 0

Enigmatic sea urchin structure catalogued

A comprehensive investigation into the axial complex of sea urchins (Echinoidea), an internal structure with unknown function, has shown that within that group of marine invertebrates there exists a struct ...

Biology / Plants & Animals

created Jun 09, 2009 | popularity 4 / 5 (3) | comments 0

Abalone are treasured -- nearly to extinction

The authorities popped him near the docks in Port Angeles. On a March afternoon in 1994, a sleek fishing boat -- not-so-subtly named the Abalone Made -- came ashore after puttering around Freshwater Bay. The waiting cops ...

Biology / Ecology

created May 13, 2009 | popularity 4.6 / 5 (7) | comments 2

A crystal clear view of chalk formation

(PhysOrg.com) -- It has a beautiful, but also an unpleasant side: crystallization determines the shape of precious stones, but also causes the lime scale in washing machines. How this comes about, has been ...

Physics / Condensed Matter

created Jan 23, 2009 | popularity not rated yet | comments 0


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