News tagged with sea urchins
Escalating arms race: Predatory sea urchins drive evolution
(Phys.org) -- Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in ...
Apr 17, 2012 |
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Ancient sewer excavation sheds light on the Roman diet
(PhysOrg.com) -- Archaeologists working in a system of connected sewers and drains under the ancient town of Herculaneum in the Bay of Naples area of Italy have analyzed the human excrement found there and ...
Other Sciences / Archaeology & Fossils
Jun 17, 2011 |
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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 ...
Jan 23, 2009 |
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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 ...
Space & Earth / 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.
Other Sciences / Archaeology & Fossils
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 ...
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 ...
Space & Earth / 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.
Aug 03, 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 ...
Apr 07, 2010 |
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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.
Mar 22, 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.
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.
Jan 08, 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 ...
Dec 21, 2009 |
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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 ...
May 13, 2009 |
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Research discovers impact of ocean acidification on marine life
A Plymouth University academic researching the impact of ocean acidification on marine life is finding out exactly what we can expect as our seas soak up more and more carbon dioxide.
May 21, 2012 |
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