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A new American Cancer Society study finds progress in reducing cancer death rates is evident whether measured against baseline rates in 1970 or in 1990. The study finds a downturn in cancer death rates since 1990 results mostly from reductions in tobacco use, increased screening allowing early detection of several cancers, and modest to large improvements in treatment for specific cancers.
Source: American Cancer Society Posted on: Tuesday, Mar 09, 2010, 5:15pm Rating: Not Rated | Views: 111 | Comments: 0
In the first study of its kind in the United States, Henry Ford Hospital showed that skin transplant surgery is safe and effective for treating vitiligo.
Source: Henry Ford Health System Posted on: Tuesday, Mar 09, 2010, 5:15pm Rating: Not Rated | Views: 92 | Comments: 0
Men who engaged in domestic violence consistently overestimated how common such behavior is, and the more they overestimated it the more they engaged in abusing their partner in the previous 90 days, according to new research conducted at the University of Washington.
Source: University of Washington Posted on: Tuesday, Mar 09, 2010, 3:46pm Rating: Not Rated | Views: 157 | Comments: 0
What began as research into how diabetics could possibly preserve their eyesight has led to findings that could prolong the vision of children afflicted with retinoblastoma.
Source: Kansas State University Posted on: Tuesday, Mar 09, 2010, 3:46pm Rating: Not Rated | Views: 67 | Comments: 0
A mathematical model developed at Purdue University can predict complex signaling patterns that could help scientists determine how stem cells in an embryo later become specific tissues, knowledge that could be used to understand and treat developmental disorders and some diseases.
Source: Purdue University Posted on: Tuesday, Mar 09, 2010, 3:46pm Rating: Not Rated | Views: 59 | Comments: 0
A Princeton University-led research team has discovered that protein competition over an important enzyme provides a mechanism to integrate different signals that direct early embryonic development. The work suggests that these signals are combined long before they interact with the organism's DNA, as was previously believed, and also may inform new therapeutic strategies to fight cancer.
Source: Princeton University Posted on: Tuesday, Mar 09, 2010, 3:46pm Rating: Not Rated | Views: 62 | Comments: 0
The potentially deadly yellow-fever-transmitting Aedes aegypti mosquito detects the specific chemical structure of a compound called octenol as one way to find a mammalian host for a blood meal, Agricultural Research Service (ARS) scientists report.
Source: United States Department of Agriculture-Research, Education, and Economics Posted on: Tuesday, Mar 09, 2010, 3:11pm Rating: Not Rated | Views: 86 | Comments: 0
For decades, the traditional practice in animal testing has been standardization, but a study involving Purdue University has shown that adding as few as two controlled environmental variables to preclinical mice tests can greatly reduce costly false positives, the number of animals needed for testing and the cost of pharmaceutical trials.
Source: Purdue University Posted on: Tuesday, Mar 09, 2010, 3:11pm Rating: Not Rated | Views: 70 | Comments: 0
Scientists of the Max Planck Institute for Chemical Ecology in Jena have investigated another navigational skill of desert ants. These ants are already well-known for their remarkable visual orientation: they use a sun compass along with a step counter and visible landmarks to locate their nest after foraging for food.
Source: Max Planck Institute for Chemical Ecology Posted on: Tuesday, Mar 09, 2010, 2:15pm Rating: Not Rated | Views: 86 | Comments: 0
Universities around the country are struggling with shrinking budgets, even as they need to cater to the needs of an increasing number of students. New research from North Carolina State University shows that one way to cut down on costs, and simultaneously improve the learning experience, is to have students use the technology they already bring into the classroom.
Source: North Carolina State University Posted on: Tuesday, Mar 09, 2010, 2:15pm Rating: Not Rated | Views: 83 | Comments: 0
An international team of astronomers, including Professor Tom Marsh and Dr Danny Steeghs from the University of Warwick, have shown that the two stars in the binary HM Cancri definitely revolve around each other in a mere 5.4 minutes.
Source: University of Warwick Posted on: Tuesday, Mar 09, 2010, 2:15pm Rating: Not Rated | Views: 82 | Comments: 0
A new method of growing arteries could lead to a "biological bypass"—or a non-invasive way to treat coronary artery disease, Yale School of Medicine researchers report with their colleagues in the April issue of Journal of Clinical Investigation.
Source: Yale University Posted on: Tuesday, Mar 09, 2010, 2:15pm Rating: Not Rated | Views: 109 | Comments: 0
Researchers at Yale School of Medicine have discovered that exposure during pregnancy to Bisphenol A (BPA), a common component of plastics, causes permanent abnormalities in the uterus of offspring, including alteration in their DNA. The findings were reported in the March issue of Journal of the Federation of American Societies for Experimental Biology (FASEB J.).
Source: Yale University Posted on: Tuesday, Mar 09, 2010, 11:09am Rating: Not Rated | Views: 88 | Comments: 0
Adults tend to eat less pizza and drink less soda as the price of these items increases, and their body weight and overall calorie intake also appear to decrease, according to a report in the March 8 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Source: JAMA and Archives Journals Posted on: Tuesday, Mar 09, 2010, 11:09am Rating: Not Rated | Views: 114 | Comments: 0
A team of scientists has discovered that the drastic decline in Arctic musk ox populations that began roughly 12,000 years ago was due to a warming climate rather than to human hunting.
Source: Penn State Posted on: Tuesday, Mar 09, 2010, 11:09am Rating: Not Rated | Views: 68 | Comments: 0
The extremely strong earthquake in Chile on 27 February this year was a complicated rupture process, as scientists from the GFZ German Research Centre for Geosciences found out. Quakes with such magnitude virtually penetrate the entire Earth's crust.
Source: Helmholtz Association of German Research Centres Posted on: Tuesday, Mar 09, 2010, 10:44am Rating: Not Rated | Views: 30 | Comments: 0
Researchers from the Centre for Ecological Research and Forestry Applications (CREAF) and the Autonomous University of Barcelona (UAB) have demonstrated, using a map of the potential distribution, the alpine marmot's capacity for adaptation in the fields of the Pyrenees. Its quick proliferation makes it a successful example of species introduction.
Source: FECYT - Spanish Foundation for Science and Technology Posted on: Tuesday, Mar 09, 2010, 10:43am Rating: Not Rated | Views: 31 | Comments: 0
Biologists at New York University and the University of Würzburg have identified, in greater detail, how the retina's cellular hardware is used in color preference. The findings, published in the latest issue of the Proceedings of the National Academy of Sciences (PNAS), enhance our understanding of how eyes and the brain process color.
Source: New York University Posted on: Tuesday, Mar 09, 2010, 10:15am Rating: Not Rated | Views: 101 | Comments: 0
For all those dismayed by scenes of looting in disaster-struck zones, whether Haiti or Chile or elsewhere, take heart: Good acts – acts of kindness, generosity and cooperation – spread just as easily as bad. And it takes only a handful of individuals to really make a difference.
Source: University of California - San Diego Posted on: Tuesday, Mar 09, 2010, 10:15am Rating: Not Rated | Views: 109 | Comments: 0
Listen: Rock Out With A Homemade Electric Guitar Forget the air guitar solos, go electric for under $10. Sound artist Ranjit Bhatnagar, a member of NYC Resistor, specializes in building cheap, DIY instruments. He explains how to make an electric guitar from a plank of wood, some wire, a magnet and a guitar string.
Source: NPR Posted on: Monday, Mar 08, 2010, 1:24pm Rating: Not Rated | Views: 18 | Comments: 0
Scientists Still Hopeful About Gene Therapy's Promise For 25 years, scientists have touted the promise of gene therapy to treat human diseases, but only a handful of therapies have shown progress. Nonetheless, proponents remain optimistic and say the approach may yet revolutionize medicine.
Source: NPR Posted on: Monday, Mar 08, 2010, 1:24pm Rating: Not Rated | Views: 20 | Comments: 0
No Endangered Status for Plains Bird
The Interior Department said Friday that the greater sage grouse was facing extinction but would not be designated as an endangered species for now.
Source: NYTimes Posted on: Monday, Mar 08, 2010, 1:24pm Rating: Not Rated | Views: 18 | Comments: 0
Big Bang experiment may reveal dark universe: CERN Dark matter, which scientists believe makes up 25 percent of the universe but whose existence has never been proven, could be detected by the giant particle collider at CERN, the research centre's head said Monday.
Source: Reuters Posted on: Monday, Mar 08, 2010, 1:23pm Rating: Not Rated | Views: 17 | Comments: 0
Getting More from Location Data Thanks to smart phones and other mobile devices, the number of applications that make use of geolocation data is exploding. But developers and device makers face new challenges that include determining physical location accurately, turning coordinates into meaningful information, and protecting users' privacy.
Source: Technology Review Posted on: Monday, Mar 08, 2010, 1:23pm Rating: Not Rated | Views: 15 | Comments: 0
Scientists find clue to anxiety drug addiction Valium-like drugs use the same potentially addictive "reward pathways" in the brain as heroin and cannabis, scientists said on Wednesday, findings which may help in the search for non-addictive alternative anxiety drugs.
Source: Reuters Posted on: Monday, Feb 15, 2010, 11:23am Rating: Not Rated | Views: 99 | Comments: 0
Dunes On Mars: How Sand Shifts Without Wind It's a scientific mystery: How did dunes form on Mars when the wind doesn't seem strong enough to move the sand? Jasper Kok tells Guy Raz he may have the answer — it has to do with sand "bouncing" and "splashing" in a way that's different than what happens on Earth.
Source: NPR Posted on: Monday, Feb 15, 2010, 11:21am Rating: Not Rated | Views: 125 | Comments: 0
The Sacred Island That's Shrinking Away Rising sea levels are destroying the fields and livelihoods of people on Sagar Island in the Bay of Bengal. Refugees arrived from a nearby island after it was swallowed up by waves. Scientists say climate change is a factor. Residents of the island, which is a sacred place for Hindus, say God is responsible.
Source: NPR Posted on: Monday, Feb 15, 2010, 11:21am Rating: Not Rated | Views: 122 | Comments: 0
Get This: Warming Planet Can Mean More Snow With snow blanketing much of the country, the topic of global warming has become the butt of jokes. But most scientists who study the climate don't see a contradiction between a warming world and lots of snow.
Source: NPR Posted on: Monday, Feb 15, 2010, 11:21am Rating: Not Rated | Views: 110 | Comments: 0