Canada's Einarson falls 8-5 to Norway in women's curling world championship semis

Kerri Einarson, Canada, in action during the match between Norway and Canada during the semi finals of the LGT World Women's Curling Championship at Goransson Arena in Sandviken, Sweden, Saturday March 25, 2023. (Jonas Ekstromer/TT via AP) Kerri Einarson, Canada, in action during the match between Norway and Canada during the semi finals of the LGT World Women's Curling Championship at Goransson Arena in Sandviken, Sweden, Saturday March 25, 2023. (Jonas Ekstromer/TT via AP)

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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.