'Permanent bone loss': Calgary study finds astronauts suffer on return to Earth

'Permanent bone loss': Calgary study finds astronauts suffer on return to Earth

FILE - Canadian astronaut Robert Thirsk talks with students from Rockcliffe Elementary School as they get a first look at The Living In Space exhibit during its unveiling at the Canadian Aviation and Space Museum in Ottawa on Thursday, May 12, 2011. (THE CANADIAN PRESS/Sean Kilpatrick) FILE - Canadian astronaut Robert Thirsk talks with students from Rockcliffe Elementary School as they get a first look at The Living In Space exhibit during its unveiling at the Canadian Aviation and Space Museum in Ottawa on Thursday, May 12, 2011. (THE CANADIAN PRESS/Sean Kilpatrick)

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Dutch farmer protests and what's happening in Canada, explained

The ongoing protests in the Netherlands, by farmers opposed to their government’s plan to slash nitrogen oxide emissions by 50 per cent by 2030, have drawn attention to Canadian farmers’ concerns over an emissions reduction target set by the Canadian government. But the policies set out by the Dutch government and the Canadian government are fundamentally different, experts say.