News tagged with sea urchins
Enigmatic sea urchin structure catalogued
Jun 09, 2009 |
4 / 5 (3) |
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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 ...
Abalone are treasured -- nearly to extinction
May 13, 2009 |
4.6 / 5 (7) |
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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 ...
A crystal clear view of chalk formation
Jan 23, 2009 |
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(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 ...
Acidification of the sea hampers reproduction of marine species
Jul 29, 2008 |
2.4 / 5 (10) |
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Within 100 years, it is reckoned that the world's seas will be three times as acidic as they are now. The lower pH may strike a severe blow to the ability of marine species to reproduce, according to research on sea urchins ...
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Superconductor magnet spacecraft heat shield being developed
9 hours ago |
5 / 5 (11) |
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(PhysOrg.com) -- European space agencies and an aerospace giant are developing a new re-entry heat shield that will use superconductor magnets to generate a magnetic field strong enough to deflect the superhot ...
Climate experts debate strategies for reducing atmospheric carbon and future warming
23 hours ago |
2.9 / 5 (8) |
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(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.
NASA's Aqua satellite sees Nida explode into a category 5 Super typhoon
Space & Earth / Earth Sciences
Nov 25, 2009 |
5 / 5 (2) |
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Typhoon Nida is in a favorable environment that has enabled it to intensify faster and stronger than previously forecast, and has now exploded into a Super typhoon. NASA's Aqua satellite passed over Nida and ...
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Ships warned about icebergs headed for New Zealand
Space & Earth / Earth Sciences
Nov 25, 2009 |
not rated yet |
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(AP) -- Ships are on alert and maritime authorities are monitoring the movements of hundreds of menacing icebergs drifting toward New Zealand in the southern Pacific Ocean, officials said.
Asian carp may have breached barrier protecting Lake Michigan
Nov 24, 2009 |
5 / 5 (5) |
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Two feared species of Asian carp have zoomed beyond the $9 million electric barriers built to keep them out of Lake Michigan. Now, the only thing left between the carp and the Great Lakes is a lock and dam in southern Chicago.
CO2 emissions continue significant climb
Nov 24, 2009 |
2.8 / 5 (9) |
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The annual rate of increase in carbon dioxide emissions from fossil fuels has more than tripled in this decade, compared to the 1990s, reports an international consortium of scientists, who paint a bleak picture of the Earth's ...
Does carbon labelling give developing countries a bad deal?
Nov 24, 2009 |
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Carbon labelling could unfairly disadvantage economies in the developing world, and mislead consumers, according to an interdisciplinary project carried out by the UK Research Councils' Rural Economy and Land Use Programme. ...
Icebergs head from Antarctica for New Zealand
Space & Earth / Earth Sciences
Nov 24, 2009 |
3 / 5 (5) |
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(AP) -- Ships in the south Pacific Ocean have been alerted that hundreds of icebergs believed to have split off Antarctic ice shelves are drifting north toward New Zealand, officials said Tuesday.
Dead Sea needs world help to stay alive
Nov 24, 2009 |
3.6 / 5 (5) |
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The Dead Sea may soon shrink to a lifeless pond as Middle East political strife blocks vital measures needed to halt the decay of the world's lowest and saltiest body of water, experts say.
List of search results for sea urchins
