Space
Long space flights can increase the volume of astronauts鈥� brains
Spending at least six months in microgravity can cause astronauts鈥� brain volumes to increase, causing pressure to build up in their heads and creating vision problems
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Spending at least six months in microgravity can cause astronauts鈥� brain volumes to increase, causing pressure to build up in their heads and creating vision problems
The rise of the private space industry may mean allowing Earth microbes to escape to other worlds, but is it worth the risk?