Curiosity Weekly
Microgravity Effects, Octocoral, Menstrual Sync
Jun 26, 2024
Learn how microgravity affects sleep and physiological rhythms, the origins of bioluminescence in octocorals, and the truth about women's synchronized menstrual cycles. Discover the challenges astronauts face in maintaining normal sleep patterns in space, the evolutionary timeline of bioluminescence in corals, and the debunking of the myth of menstrual synchrony among women.
11:22
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Quick takeaways
- Microgravity disrupts sleep and physiological rhythms in simulated experiments.
- Octocorals exhibit bioluminescence dating back 540 million years, showing complex evolution.
Deep dives
Effects of Simulated Microgravity on Sleep and Biological Rhythms
Simulated microgravity, as studied by researchers in England in collaboration with the European Space Agency, disrupts sleep patterns, biological rhythms, and physiological responses. Conducted over 90 days with a 60-day bed rest tilt, the study revealed decreased sleep quality, altered temp and activity rhythms, and disrupted sleep stages, indicating potential health issues for astronauts on long space missions.
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