Comment & Debate
Ken Murphy. “25 Good Reasons to Go to the Moon.” Out of the Cradle. June 14th, 2008: “7) Human factors. Having 1/6th of Earth’s gravity, the heart doesn’t have to pump as hard to supply oxygen to the brain. While for a youth this would have an atrophy-type effect, for those advanced in years it can serve a rejuvenative effect, as the heart is suddenly relatively stronger. This allows for longer productive lives for our citizens. And you can fly in a large enough space.”