Australia sets wording of Indigenous Voice referendum

Aboriginal man Josh Sly of the Muggera Dancers prepares a fire for a smoking ceremony at the start of an Invasion Day rally in Sydney, on Jan. 26, 2023. (Rick Rycroft / AP) Aboriginal man Josh Sly of the Muggera Dancers prepares a fire for a smoking ceremony at the start of an Invasion Day rally in Sydney, on Jan. 26, 2023. (Rick Rycroft / 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.

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