Evolution of symbiosis
Biology /
Apr 10, 2007 |
4.6 / 5 (5) |
0
The aphid Acyrthosiphon pisum depends on a bacterial symbiont, Buchnera aphidicola, for amino acids it can't get from plants. The aphid, in turn, provides the bacterium with energy and carbon as well as shelter ...
Empty and strange without plants
Apr 10, 2007 |
3.8 / 5 (6) |
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To most of us, it’s hard to imagine a home that has no plants at all. Why are plants so important? A new dissertation from Umeå University in Sweden provides insight into our relationship with potted plants in the home.
Study shows earthquakes may quickly boost regional volcanoes
Space & Earth / Earth Sciences
Apr 10, 2007 |
3.7 / 5 (6) |
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Scientists using NASA satellite data have found strong evidence that a major earthquake can lead to a nearly immediate increase in regional volcanic activity.
Whales migrate more than 5,100 miles
Biology /
Apr 10, 2007 |
2.9 / 5 (7) |
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U.S. scientists have found humpback whales migrate more than 5,100 miles from Central America to Antarctica -- a record mammalian migration.
Study lauds India's biotech industry
Biology /
Apr 10, 2007 |
5 / 5 (4) |
0
A Canadian study suggests India's biotech firms are becoming major global players, increasingly able to produce drugs and vaccines at competitive costs.
Spring Is In the Air
Apr 10, 2007 |
3.6 / 5 (5) |
0
Spring is in the air … and up for grabs? Well, uh, no, apparently not.
Perens Lashes Out at Claims GPL 3 Brings Legal Risks
Apr 10, 2007 |
4.3 / 5 (4) |
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Open-source luminary Bruce Perens scathingly dismisses claims by a lawyer for the Association for Competitive Technology that the latest draft of the GNU GPL Version 3 brings legal risks.
Pump design could give heart patients new hope
Apr 10, 2007 |
4 / 5 (4) |
0
A new counter-flow heart pump being developed by Queensland University of Technology has the potential to revolutionize future designs of the mechanical heart.
Stress may help cancer cells resist treatment, research shows
Apr 10, 2007 |
3.8 / 5 (4) |
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Scientists from Wake Forest University School of Medicine are the first to report that the stress hormone epinephrine causes changes in prostate and breast cancer cells that may make them resistant to cell death.
Study provides new clue to family risk for breast cancer
Apr 10, 2007 |
4.7 / 5 (3) |
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An international team of researchers, led by Dr. William Foulkes of McGill University's Program in Cancer Genetics and Chief of Cancer Genetics, Jewish General Hospital Cancer Prevention Centre, has linked a particular genetic ...
Mongoose pups work together to wheedle food out of carers
Biology /
Apr 10, 2007 |
4.3 / 5 (3) |
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Mongoose pups use their littermates to gain more food from their carers. Researchers at the University of Cambridge found that a unique system of pup care reduces competition for adult help, allowing pups to collectively ...
NASA extends its Russian space contract
Space & Earth / Space Exploration
Apr 10, 2007 |
4.3 / 5 (3) |
0
NASA has signed a $719 million extension of the International Space Station contract with Russia's Federal Space Agency for services through 2011.
Behavioural tests probe ray and shark colour vision
Biology /
Apr 10, 2007 |
4 / 5 (2) |
0
University of Queensland researchers have shown stingrays, once thought to be colour-blind, may be capable of seeing in colour.
Dawn Arrives in Florida - A Little After Dawn
Space & Earth / Space Exploration
Apr 10, 2007 |
4 / 5 (2) |
0
The Dawn spacecraft arrived at Astrotech Space Operations in Titusville, Fla., at 9 a.m. EDT today. Dawn, NASA's mission into the heart of the asteroid belt, is at the facility for final processing and launch ...
Marine scientists monitor longest mammal migration
Biology /
Apr 10, 2007 |
3.5 / 5 (2) |
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Marine scientists recently published a research paper in the science journal, Biology Letters, that found humpback whales migrate over 5,100 miles from Central America to their feeding grounds off Antarctica; a record distan ...
