In 1997, NASA sent 64 beetles to Mir with tiny activity wheels; their movements showed light could shift their body clocks in microgravity

In 1997, NASA transported black desert beetles on the Atlantis shuttle, where they thrived on the Mir space station for an impressive 125 days. Researchers meticulously monitored their movement patterns and wheel revolutions. The interplay of light pulses altered the beetles’ internal clocks, while varying gravity influenced their speed. This groundbreaking study significantly expanded knowledge on how space conditions affect astronaut sleep and performance.
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