'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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Trump supporters' threats to judge spur democracy concerns

Hundreds of federal judges face the same task every day: review an affidavit submitted by federal agents and approve requests for a search warrant. But for U.S. Magistrate Judge Bruce Reinhart, the fallout from his decision to approve a search warrant has been far from routine.