Run far or run fast? Astronauts tackle universal fitness question

CTV NewsRun far or run fast? Astronauts tackle universal fitness questionCTV NewsAs NASA, the U.S. National Aeronautics and Space Administration, designs a fitness program for astronauts whose goal is to combat space's toll on the body, their discoveries could help keep us Earthlings in shape. It might look cool in the movies, but ...và hơn thế nữa »