Former police chief Mark Saunders to run for mayor

Retired Toronto Police Chief Mark Saunders is shown during an interview with The Canadian Press in Toronto on Monday, July 27, 2020. THE CANADIAN PRESS/Frank Gunn Retired Toronto Police Chief Mark Saunders is shown during an interview with The Canadian Press in Toronto on Monday, July 27, 2020. THE CANADIAN PRESS/Frank Gunn

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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.