London police warning public of a 'high risk offender'

Allan Eugene Ashton, 55. (Source: London Police Service) Allan Eugene Ashton, 55. (Source: London Police Service)

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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.