Archive: 06/08/2009
Scientists uncover a novel mechanism controlling tumor growth in the brain
As survival rates among some patients with cancer continue to rise, so does the spread of these cancers to the brain - as much as 40 percent of all diagnosed brain cancers are considered metastatic, having spread from a ...
Jun 08, 2009 |
5 / 5 (1) |
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Cardiac rehabilitation saves lives
Coronary heart disease (CHD) is the leading cause of death worldwide and a major driver of medical and economic costs, especially among older adults. It has long been established that cardiac rehabilitation improves survival, ...
Jun 08, 2009 |
4 / 5 (1) |
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Archeological evidence of human activity found beneath Lake Huron
More than 100 feet deep in Lake Huron, on a wide stoney ridge that 9,000 years ago was a land bridge, University of Michigan researchers have found the first archeological evidence of human activity preserved beneath the ...
Other Sciences / Archaeology & Fossils
Jun 08, 2009 |
4.7 / 5 (19) |
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Unexpected discovery can open a new chapter in the fight against tuberculosis
A close relative of the microorganism that causes tuberculosis in humans has been found to form spores. This is a sensational finding because researchers have long been convinced that these kinds of bacteria-the mycobacteria-were ...
Jun 08, 2009 |
4.4 / 5 (8) |
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Research reveals how cells tell time
The fuzzy pale mold that lines the glass tubes in Dr. Yi Liu's lab doesn't look much like a clock. But this fungus has an internal, cell-based timekeeper nearly as sophisticated as a human's, allowing UT Southwestern Medical ...
Jun 08, 2009 |
5 / 5 (1) |
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Let me sleep on it: Creative problem solving enhanced by REM sleep
Research led by a leading expert on the positive benefits of napping at the University of California, San Diego School of Medicine suggests that Rapid Eye Movement (REM) sleep enhances creative problem-solving. The findings ...
Jun 08, 2009 |
4.6 / 5 (5) |
2
Researchers identify structure of bacteria responsible for traveler's diarrhea
Researchers at Boston University School of Medicine (BUSM), the Naval Medical Research Center and the National Institutes of Health, have solved the structure of thin hair-like fibers called "pili" or "fimbriae" on the surface ...
Jun 08, 2009 |
not rated yet |
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Snakes use friction and redistribution of their weight to slither on flat terrain
Snakes use both friction generated by their scales and redistribution of their weight to slither along flat surfaces, researchers at New York University and the Georgia Institute of Technology have found. Their ...
Jun 08, 2009 |
4.3 / 5 (4) |
3
Fire mitigation work in western US misplaced, says new study
Only 11 percent of wildfire mitigation efforts undertaken as a result of a long-term federal fuels-reduction program to cut down catastrophic wildfire risk to communities have been undertaken near people's ...
Jun 08, 2009 |
3 / 5 (2) |
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Mobile DNA elements in woolly mammoth genome give new clues to mammalian evolution
The woolly mammoth died out several thousand years ago, but the genetic material they left behind is yielding new clues about the evolution of mammals. In a study published online in Genome Research, scientists have analyz ...
Jun 08, 2009 |
4.9 / 5 (7) |
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Scientists say consumers confused about sugars
Three top researchers corrected inaccuracies and misunderstandings concerning high fructose corn syrup's impact on the American diet. They also examined how the United States Department of Agriculture (USDA) considers this ...
Jun 08, 2009 |
3 / 5 (4) |
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Fatal brain disease at work well before symptoms appear
University of Florida scientists have discovered why a paralyzing brain disorder speeds along more rapidly in some patients than others — a finding that may finally give researchers an entry point toward an ...
Jun 08, 2009 |
5 / 5 (1) |
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Enzyme necessary for DNA synthesis can also erase DNA
In this week's edition of Proceedings of the National Academy of Sciences, PNAS, Uppsala University scientists describe a new mechanism behind an important process that causes a rapid reduction of DNA in the chromosomes of bac ...
Jun 08, 2009 |
4.7 / 5 (3) |
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Apple drops price of least expensive iPhone to $99
(AP) -- Apple Inc. slashed the entry price for an iPhone in half and rolled out new laptops for $300 less than previous models Monday, the company's first dramatic price cuts since the recession began a year ...
Electronics / Consumer & Gadgets
Jun 08, 2009 |
2.5 / 5 (2) |
2
Engineering stereotypes drive counterproductive practices
To engineering students, scenes like these might sound familiar: students splitting up group projects so they don't have to work together. One student bragging that he did the problem without following the directions but ...
Jun 08, 2009 |
3.7 / 5 (10) |
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