"Although astronauts have been carried aloft for almost six decades, there’s much about life in space that scientists still don’t understand. With investigations like the NASA Twins Study,...
"Although astronauts have been carried aloft for almost six decades, there’s much about life in space that scientists still don’t understand. With investigations like the NASA Twins Study, published in the journal Science, the agency hopes to answer some of the questions before sending astronauts on longer flights."
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"Although astronauts have been carried aloft for almost six decades, there’s much about life in space that scientists still don’t understand. With investigations like the NASA Twins Study, published in the journal Science, the agency hopes to answer some of the questions before sending astronauts on longer flights."