Spring mix of snow, rain ahead Thursday for the Maritimes

A man walks across a pedestrian bridge during a snow storm in Fredericton on Sunday, December 27, 2015. THE CANADIAN PRESS/Darren Calabrese  A man walks across a pedestrian bridge during a snow storm in Fredericton on Sunday, December 27, 2015. THE CANADIAN PRESS/Darren Calabrese 

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How the lack of gravity in space impacts astronauts’ brain

What happens to the brain when you take gravity away? According to a new study looking at astronauts both before and after space travel, that experience causes physical changes that researchers believe requires at least three years between longer missions to recover from.