Archive: 03/03/2008
Viruses evolve to play by host rules
Biologists at the University of Pennsylvania and Harvard University have examined the complete genomes of viruses that infect the bacteria E. coli, P. aeruginosa and L. lactis and have found that many of these viral genomes ...
Biology /
Mar 03, 2008 |
4.7 / 5 (3) |
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Researchers discover key for converting waste to electricity
Researchers at the University of Minnesota studying bacteria capable of generating electricity have discovered that riboflavin (commonly known as vitamin B-2) is responsible for much of the energy produced by these organisms.
Biology /
Mar 03, 2008 |
4.5 / 5 (21) |
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Surface dislocation nucleation: Strength is but skin deep at the nanoscale
For centuries, engineers have bent and torn metals to test their strength and ductility. Now, materials scientists at the University of Pennsylvania School of Engineering and Applied Science are studying the ...
Mar 03, 2008 |
4.4 / 5 (8) |
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N.Y. cracks down on weight-loss surgery
New York health officials said it plans to restrict the number of hospitals that can perform weight-loss surgery.
Mar 03, 2008 |
4.5 / 5 (2) |
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British childhood ends at age 11
More than half of all British parents think childhood now ends at the age of 11, a survey by a children's book publisher indicates.
Mar 03, 2008 |
4.4 / 5 (7) |
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Invading trees put rainforests at risk
To the list of threats to tropical rainforests you can add a new one — trees. It might seem that for a rainforest the more trees the merrier, but a new study by scientists at the Carnegie Institution warns ...
Mar 03, 2008 |
4.1 / 5 (8) |
1
How the drug isotretinoin zaps acne
The most potent drug available for the treatment of acne is 13-cis retinoic acid (13-cis RA; also known as isotretinoin); however, little is known about the mechanism by which it acts.
Mar 03, 2008 |
4.7 / 5 (3) |
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Rare syndrome provides clues on obesity, blood pressure
University of Iowa researchers have found a clue about how resistance to the hormone leptin might disrupt the brain signals that tell the body when to stop eating. The research, which focused on the rare genetic disorder ...
Mar 03, 2008 |
4.7 / 5 (3) |
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Protein in embryonic stem cells control malignant tumor cells
A protein that governs development of human embryonic stem cells (hESCs) also inhibits the growth and spread of malignant melanoma, the deadliest skin cancer, Northwestern University researchers have discovered. Metastatic ...
Mar 03, 2008 |
4 / 5 (5) |
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'Lazy eye' treatment shows promise in adults
New evidence from a laboratory study and a pilot clinical trial confirms the promise of a simple treatment for amblyopia, or “lazy eye,” according to researchers from the U.S. and China.
Mar 03, 2008 |
4.4 / 5 (7) |
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New Material Can Find a Needle in a Nuclear Waste Haystack
Nuclear power has advantages, but, if this method of making power is to be viable long term, discovering new solutions to radioactive waste disposal and other problems are critical. Otherwise nuclear power ...
Mar 03, 2008 |
4.7 / 5 (14) |
3
Biological electron transfer captured in real time
Two research teams led by Dr. Michael Verkhovsky and Prof. Mårten Wikström of the Institute of Biotechnology of the University of Helsinki have for the first time succeeded in monitoring electron transfer by Complex I in ...
Biology /
Mar 03, 2008 |
3.7 / 5 (3) |
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Team probes mysteries of oceanic bacteria: Wee creatures are key to Earth's environment
Microbes living in the oceans play a critical role in regulating Earth’s environment, but very little is known about their activities and how they work together to help control natural cycles of water, carbon and energy.
Biology /
Mar 03, 2008 |
4.1 / 5 (13) |
1
Scientists uncover a novel mechanism that regulates carbon dioxide fixation in plants
A team of Biotechnology and Biological Sciences Research Council (BBSRC) funded scientists at the University of Essex has discovered a new mechanism that slows the process of carbon dioxide fixation in plants.
Biology /
Mar 03, 2008 |
4.6 / 5 (7) |
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Researchers identify new genetic marker for breast cancer
An international group of investigators led by scientists at Memorial Sloan-Kettering Cancer Center (MSKCC) and the National Cancer Institute has identified a new genetic marker of risk for breast cancer. Women with this ...
Mar 03, 2008 |
5 / 5 (3) |
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