Debunk the ‘zero gravity’ myth and explain why astronauts feel weightless because they’re in constant free fall. We explore microgravity, how it’s simulated on Earth (parabolic flights, the vomit comet, and NASA’s drop tower), and the human costs of long-term spaceflight—space adaptation syndrome, muscle atrophy, bone loss, fluid shifts, and orthostatic intolerance. We also look at space-to-earth applications, like growing higher-quality protein crystals for drugs such as pembrolizumab, which could enable simpler, more comfortable treatments. Sponsored by embersilk.com.

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Sponsored by Embersilk LLC