For honey bee queens, multiple mating makes a difference
Biology /
Oct 09, 2007 |
4.3 / 5 (10) |
0
The success of the “reign” of a honey bee queen appears to be determined to a large degree by the number of times she mates with drone bees.
An AIDS-related virus reveals more ways to cause cancer
Oct 09, 2007 |
4.3 / 5 (9) |
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Researchers at the University of Pennsylvania School of Medicine have shed new light on how Kaposi’s Sarcoma-associated Herpes Virus (KSHV) subverts normal cell machinery to cause cancer. A KSHV protein called latency-associated ...
Mysteries of ancient Rheic Ocean beginning to unravel
Space & Earth / Earth Sciences
Oct 09, 2007 |
3.9 / 5 (9) |
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A wealth of information on one of Earth's ancient oceans is now available in a single volume published by the Geological Society of America. The Evolution of Rheic Ocean: From Avalonian-Cadomian Active Margin to Alleghenian-Variscan ...
Toshiba Announces Gallium Nitride Power FET with World's Highest Output Power in Ku-band
Oct 09, 2007 |
4.3 / 5 (8) |
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Toshiba Corporation today announced that it has developed a gallium nitride (GaN) power field effect transistor (FET) for the Ku-band (12GHz to 18GHz) frequency range that achieves an output power of 65.4W ...
Mathematicians help unlock secrets of the immune system
Oct 09, 2007 |
3.9 / 5 (8) |
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A group of scientists, led by mathematicians, has taken on the challenge of building a common model of immune responses. Their work will radically improve our understanding of the human immune system by allowing all the scientific ...
Jules Verne dry cargo prepared in Turin
Space & Earth / Space Exploration
Oct 09, 2007 |
3.8 / 5 (8) |
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Around 180 kg of dry cargo which is to be carried into space on board Jules Verne, the first Automated Transfer Vehicle, is currently undergoing final preparation in Turin, Italy, ahead of shipment to the ...
Antioxidants do not prevent degenerative eye disease
Oct 09, 2007 |
3.6 / 5 (8) |
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A diet rich in antioxidant vitamins and minerals does not seem to prevent the degenerative eye disease known as age related macular degeneration, finds a study published on bmj.com today.
One shot of gene therapy spreads through brain in animal study
Oct 09, 2007 |
4.3 / 5 (6) |
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By targeting a site in a mouse brain well connected to other areas, researchers successfully delivered a beneficial gene to the entire brain—after one injection of gene therapy. If these results in animals ...
Powders show their strength
Oct 09, 2007 |
5 / 5 (5) |
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[PIC=:left]Growing a single crystal of a protein can be very difficult. Thanks to recent developments, a powder sample may be enough to solve a structure.
Argonne helps China create cleaner Beijing for 2008 Olympics
Oct 09, 2007 |
4.8 / 5 (5) |
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The U.S. Department of Energy's Argonne National Laboratory is working closely with Chinese scientists and policy makers toward the goal of creating a cleaner Beijing and developing sustainable technologies for the 2008 Olympic ...
Cell phone may hurt child's health
Oct 09, 2007 |
4.4 / 5 (5) |
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Professor Kjell Mild of Sweden's Orbero University said young children are more at risk when using cell phones because of their thinner skulls.
Inside job: new radioactive agents for colon cancer work inside cells
Oct 09, 2007 |
3.7 / 5 (6) |
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Johns Hopkins scientists have developed a potentially novel way to fight colorectal cancer using tiny molecules to deliver potent barrages of radiation inside cancer cells, unlike current treatments that bind to the surface ...
Medical identity theft: the importance of protecting your health records
Oct 09, 2007 |
4.5 / 5 (4) |
1
Many consumers take precautions against identity theft, but what about medical identity theft? In addition to financial peril, victims can suffer physical danger if false entries in medical records lead to the wrong treatment.
Generating 'oohs' and 'aahs': Vocal Joystick uses voice to surf the Internet
Oct 09, 2007 |
4.3 / 5 (4) |
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The Internet offers wide appeal to people with disabilities. But many of those same people find it frustrating or impossible to use a handheld mouse. Software developed at the University of Washington provides ...
Ritual Threats of Violence in Small Newfoundland Communities Are Method of Creating Trust, Researchers Say
Oct 09, 2007 |
3.8 / 5 (4) |
1
Residents of small isolated fishing villages on the northern peninsula of Newfoundland have participated in the ritual of 'mumming" for centuries. According to the tradition, small groups of villagers, or ...
