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International telescope consortium stalls over siting dispute

The international consortium behind a plan to build the world’s most powerful radio telescope on Wednesday signalled further delays in deciding whether it should be hosted by South Africa or Australia. It was hoped that members of the SKA (Square Kilometre Array) Organisation would set a date for the eagerly…

Doctors unveil campaign to cut 45 unnecessary medical tests

A group of nine medical specialty boards representing 375,000 doctors on Wednesday announced a list of 45 tests and procedures that they say doctors should perform less often or not at all. Through its “Choosing Wisely” campaign, the American Board of Internal Medicine Foundation is urging doctors to reduce unnecessary…

New research proves rising carbon dioxide levels led to climate change before

A scientific conundrum that has puzzled climate experts for years may have been solved with the publication of research showing how an increase in carbon dioxide levels in the atmosphere contributed to rising temperatures millions of years ago. The paper, published on Wednesday in the journal Nature, has wide-ranging implications…

Scientist predict only 10 named hurricanes during 2012 Atlantic season

The number of 2012 Atlantic hurricanes will be below average this season due to a cooling of tropical waters and the potential development of El Nino conditions, US forecasters said Wednesday. The Colorado State University forecast team predicted 10 named storms during the hurricane season from June 1 to November…

US discovers more counterfeit doses of the anti-cancer drug Avastin

Less than two months after counterfeit Avastin, a cancer drug made by the Swiss pharmaceutical giant Roche, was found on the US market, another fake version has turned up, health authorities said Wednesday. The injectable cancer medication, bevacizumab, is labeled by the name under which Avastin is approved in Turkey,…

Study: Ultrasounds aid better breast screening

Women’s annual breast exams could be improved by adding ultrasound and magnetic resonance imaging (MRI) scans to the usual mammogram, according to a US study released on Tuesday. The research, published in the April 4 edition of the Journal of the American Medical Association, found that those two technologies helped spot small cancers that…

Scientist reveals how he made bird flu that could spread between people

Researcher created a hybrid of H5N1 bird flu and swine flu viruses then isolated a strain that can infect cells in the throat A scientist whose work was deemed too dangerous to publish by US biosecurity advisers revealed for the first time on Tuesday how he created a hybrid bird…

Canadians protest wind power subsidies over environmental concerns

Hundreds of Canadians demonstrated on Tuesday calling for an end to subsidies for wind power, saying noise from colossal turbines is making some people sick and driving down rural property prices. Organizers told AFP about 800 farmers and other rural residents rallied outside a clean energy forum in downtown Toronto…

Conservations wait as time is ripe for pandas to breed

The clock is ticking, and the heat is on. A giant male panda loaned to Britain by China has just 36 hours to make his move on his female companion or he’ll have to wait another year. Conservationists at Edinburgh Zoo in Scotland put Yang Guang together in the same…

Study: women who ate broccoli more likely to survive breast cancer

Chinese women who ate cabbage, broccoli and leafy greens saw improved survival rates after breast cancer than women who did not eat these cruciferous vegetables, said a US study presented on Tuesday. The findings came from data on 4,886 Chinese breast cancer survivors age 20-75 who were diagnosed with stage…

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