Mark Weightman returns as president/CEO of the Montreal Alouettes

Montreal Alouettes President Mark Weightman leaves after a news conference announcing the departure of general manager Jim Popp, Monday, November 7, 2016 in Montreal. THE CANADIAN PRESS/Ryan Remiorz Montreal Alouettes President Mark Weightman leaves after a news conference announcing the departure of general manager Jim Popp, Monday, November 7, 2016 in Montreal. THE CANADIAN PRESS/Ryan Remiorz

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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.