Category: news
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Canadian software helps Syrian activists avoid web censors
Late last year, Syrian activists found their Internet connections blocked. In need of a way to communicate, they turned to a Canadian technology company to deliver the networking system. “The request was channelled through a number of different sources. They wanted a way of getting around Internet censorship,” says Rafal Rohozinski, CEO of the Psiphon…
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Regime Change: Q&A with John Smol
Nature A freshwater ecologist at Queen’s University in Kingston, Ontario, Canada, Smol studies lake sediments to understand climatic and environmental change. Nature Outlook asks him to share his experience. What can we learn from lake sediments? One of the biggest challenges in environmental science is the lack of long-term data, so we have to use indirect…
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Radioactive medicine without the nuclear headache
The Globe and Mail A made-in-Canada solution to our medical-isotope problem could come from a machine with a name that could have been pulled straight from the pages of a science fiction novel: the cyclotron. “It was really pooh-poohed, this idea of using cyclotrons; they said there was no way we could produce enough in…
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Acidic oceans threaten fish
Stocks could suffer as seas soak up more carbon dioxide. Ocean acidification looks likely to damage crucial fish stocks. Two studies published today in Nature Climate Change reveal that high carbon dioxide concentrations can cause death and organ damage in very young fish. The work challenges the belief that fish, unlike organisms with shells or…
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International group calls for end to selective reporting of clinical trials
Free access to all data will provide the best care for patients, says Cochrane Collaboration. People don’t like to reveal their failures. But when it comes to clinical trials, researchers should be compelled to make even their negative results public, according to a statement issued by an international group that reviews medical research studies. The…