'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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How Biden's new approach has led to legacy-defining wins

Over five decades in Washington, Joe Biden knew that the way to influence was to be in the room where it happens. But in the second year of his presidency, some of Biden's most striking, legacy-defining legislative victories came about by staying out of it.