Archive for the ‘study’ Category
SAN FRANCISCO (Reuters) – Three tech giants — Hewlett-Packard, Intel and Yahoo — said on Tuesday they are teaming up on a research project to help turn Web services into reliable, everyday utilities.
The companies are joining forces with academic researchers in Asia, Europe and the United States to create an experimental network that lets researchers test “cloud-computing” projects — Web-wide services that can reach billions of users at once.
Their goal is to promote open collaboration among industry, academic and government researchers by removing financial and logistical barriers to working on hugely computer-intensive, Internet-wide projects.
Founding members of the consortium said they aim to create a level playing field for individual researchers and organizations of all sizes to conduct research on software, network management and the hardware needed to deliver Web-wide services as billions of computer and phone users come online.
“No one institution or company is going to figure this out,” said Prabhakar Raghavan, the head of Yahoo Research who is also a consulting professor of computer science at nearby Stanford University.
Cloud computing has become the industry’s biggest buzzword. It is a catch-all term to describe how Internet-connected hardware and software once delivered as discreet products can be managed as Web-based, utility-like services.
“Potentially the entire planet will come to rely on this, like electricity,” Raghavan said, referring to the push to make everything from daily communications to shopping to entertainment into always-available, on-demand Web services.
“We are all trying to move from the horse driving the wagon to a million ants driving the wagon,” Raghavan said of the need to let computers manage millions of small jobs, adding that the available capacity on the Web would vary widely. “The challenge can be a billion ants one day and a million ants the next.” Continued…
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Hormone replacement therapy, which is known to increase the risk of breast cancer, also appears to make it more likely a tumor will return in women who have had the disease, researchers said on Tuesday.
Women who had earlier had breast cancer were 14 percent more likely to get it again if they used hormone replacement therapy, or HRT, researchers said in the U.S. Journal of the National Cancer Institute.
“The results … indicate a substantial risk for a new breast cancer event among breast cancer survivors using hormone-replacement therapy,” wrote researcher Lars Holmberg and colleagues at Kings College London.
They followed for four years or longer 442 mostly Scandinavian women who had had breast cancer, half of whom had received HRT.
The women were part of a trial stopped in 2003 after concerns about the increased risk of breast cancer recurring for women on hormone therapy.
Volunteers who had received HRT got breast cancer again more than twice as often as women in the other group, amounting to an overall increased risk of 14 percent, the researchers said.
“Our results further suggest that hormone therapy not only induces and promotes breast cancer but may also stimulate the growth of tumor microdeposits in breast cancer survivors,” they wrote.
HRT was popular among menopausal women until 2002, when a major study found that it could raise the risk not only of breast and ovarian cancer, but also strokes and other serious conditions. Continued…
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