News tagged with collapse
Web page ranking algorithm detects critical species in ecosystems
Google's algorithm for ranking web-pages can be used to determine which species are critical for sustaining ecosystems. Drs. Stefano Allesina and Mercedes Pascual find that "PageRank" can be applied to the study of food webs, ...
Sep 04, 2009 |
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Massive Stars Near the Galactic Center
The Central Molecular Zone (CMZ) of our galaxy is a giant complex of molecular gas and dust situated in the innermost 700 light-years of the Milky Way. Although the galaxy is over 100,000 light-years in size, ...
Aug 28, 2009 |
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Study finds higher pathogen loads in collapsed honeybee colonies
Honeybees in colonies affected by colony collapse disorder (CCD) have higher levels of pathogens and are co-infected with a greater number of pathogens than their non-CCD counterparts, but no individual pathogen ...
Aug 13, 2009 |
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Researchers: Zimbabwe's crisis driving HIV decline
(AP) -- Fewer Zimbabweans are getting infected with AIDS, and researchers speculate it's due in part to a battered economy that's leaving men short of money to be sugar daddies and keep mistresses.
Medicine & Health / HIV & AIDS
Jul 24, 2009 |
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Honeybees overcome negative buzz in Washington
Official Washington is all abuzz over honeybees.
Jun 23, 2009 |
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A new class of dim supernovae
The colossal stellar explosions called supernovae come in many kinds and flavours. Some of them are produced when a massive star reaches the end of its life in a sudden gravitational collapse. Astronomers ...
Jun 05, 2009 |
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Studying the 'mountains' and 'starquakes' that develop on neutron stars
(PhysOrg.com) -- Neutron stars have the potential to play an important role in understanding some of the mysteries of the universe. One of factors that could help lead to an understanding of gravitational waves and the mechanisms ...
May 26, 2009 |
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A big lesson from the reef
The lesson from Australia's Great Barrier Reef is that we have to protect its biodiversity - because biodiversity in turn protects us.
May 07, 2009 |
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Honeybees are on the rise but demand grows faster
The notion that a decline in pollinators may threaten the human food supply - producing a situation that has been referred to as a "pollination crisis" - can be considered a myth, at least where honey bees ...
May 07, 2009 |
4 / 5 (2) |
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Star Trek-like technology offers noninvasive monitor for patients and athletes
How long will it take to develop Star Trek-like medical technologies? The gap between science fiction and reality is closing faster than many people may think.
Apr 29, 2009 |
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'Free play' for children, teens is vital to social development, psychologist says
A new theory about early human adaptation suggests that our ancestors capitalized on their capacities for play to enable the development of a highly cooperative way of life.
Medicine & Health / Psychology & Psychiatry
Apr 15, 2009 |
4 / 5 (3) |
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A cure for honey bee colony collapse?
For the first time, scientists have isolated the parasite Nosema ceranae (Microsporidia) from professional apiaries suffering from honey bee colony depopulation syndrome. They then went on to treat the infection with comple ...
Apr 14, 2009 |
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A curious pair of galaxies
The ESO Very Large Telescope has taken the best image ever of a strange and chaotic duo of interwoven galaxies. The images also contain some surprises -- interlopers both far and near.
Mar 16, 2009 |
4.8 / 5 (12) |
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Study: Can nature's leading indicators presage environmental disaster?
Economists use leading indicators — the drivers of economic performance - to take the temperature of the economy and predict the future.
Jan 05, 2009 |
3 / 5 (8) |
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