Japan to resume imports of Canadian processed beef, 20 years after mad cow disease

Cattle pause as they graze winter pasture in the foothills of the Canadian Rockies near Longview, Alberta, Thursday, Jan. 8, 2004. THE CANADIAN PRESS/Jeff McIntosh Cattle pause as they graze winter pasture in the foothills of the Canadian Rockies near Longview, Alberta, Thursday, Jan. 8, 2004. THE CANADIAN PRESS/Jeff McIntosh

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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.